moebiusband/NuSiF-Solver
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WIP: Pull Request for a complete Solver package #1

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AdityaUjeniya wants to merge 51 commits from (deleted):main into main
pull from: (deleted):main
merge into: moebiusband:main
Conversation 0 Commits 51 Files Changed 331 +1520 -1397
18 changed files with 1520 additions and 1397 deletions
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Showing only changes of commit 1987056dce - Show all commits

13
BasicSolver/2D-seq/src/main.c
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@ -11,9 +11,9 @@
#include <unistd.h> #include <unistd.h>
#include "parameter.h" #include "parameter.h"
#include "particletracing.h"
#include "progress.h" #include "progress.h"
#include "solver.h" #include "solver.h"
#include "particletracing.h"
#include "timing.h" #include "timing.h"
#include "vtkWriter.h" #include "vtkWriter.h"
@ -36,8 +36,7 @@ int main (int argc, char** argv)
} }
readParameter(&params, argv[1]); readParameter(&params, argv[1]);
if (argc == 3) if (argc == 3) {
{
variant = atoi(argv[2]); variant = atoi(argv[2]);
} }
@ -63,8 +62,7 @@ int main (int argc, char** argv)
S = getTimeStamp(); S = getTimeStamp();
while (t <= te) while (t <= te) {
{
if (tau > 0.0) computeTimestep(&solver); if (tau > 0.0) computeTimestep(&solver);
setBoundaryConditions(&solver); setBoundaryConditions(&solver);
setSpecialBoundaryCondition(&solver); setSpecialBoundaryCondition(&solver);
@ -76,14 +74,13 @@ int main (int argc, char** argv)
solver_generic[variant - 1](&solver); solver_generic[variant - 1](&solver);
adaptUV(&solver); adaptUV(&solver);
/* Added function for particle tracing. Will inject and advance particles as per
/* Added function for particle tracing. Will inject and advance particles as per timePeriod */ * timePeriod */
trace(&particletracer, solver.u, solver.v, solver.s, t); trace(&particletracer, solver.u, solver.v, solver.s, t);
t += solver.dt; t += solver.dt;
nt++; nt++;
#ifdef VERBOSE #ifdef VERBOSE
printf("TIME %f , TIMESTEP %f\n", t, solver.dt); printf("TIME %f , TIMESTEP %f\n", t, solver.dt);
#else #else

15
BasicSolver/2D-seq/src/parameter.c
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@ -98,7 +98,6 @@ void readParameter(Parameter* param, const char* filename)
PARSE_REAL(xRectLength); PARSE_REAL(xRectLength);
PARSE_REAL(yRectLength); PARSE_REAL(yRectLength);
PARSE_REAL(circleRadius); PARSE_REAL(circleRadius);
} }
} }
@ -132,10 +131,14 @@ void printParameter(Parameter* param)
printf("\trho (SOR relaxation): %f\n", param->rho); printf("\trho (SOR relaxation): %f\n", param->rho);
printf("Particle Tracing data:\n"); printf("Particle Tracing data:\n");
printf("\tNumber of particles : %d being injected for every period of %.2f\n", param->numberOfParticles, param->injectTimePeriod); printf("\tNumber of particles : %d being injected for every period of %.2f\n",
param->numberOfParticles,
param->injectTimePeriod);
printf("\tstartTime : %.2f\n", param->startTime); printf("\tstartTime : %.2f\n", param->startTime);
printf("\t(Line along which the particles are to be injected) \n\tx1 : %.2f, y1 : %.2f, x2 : %.2f, y2 : %.2f\n", param->x1, param->y1, param->x2, param->y2); printf("\t(Line along which the particles are to be injected) \n\tx1 : %.2f, y1 : "
"%.2f, x2 : %.2f, y2 : %.2f\n",
param->x1,
param->y1,
param->x2,
param->y2);
} }

112
BasicSolver/2D-seq/src/particletracing.c
View File

@ -19,41 +19,43 @@
static int ts = 0; static int ts = 0;
void printParticles(ParticleTracer* particletracer) void printParticles(ParticleTracer* particletracer)
{ {
for(int i = 0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{ printf("Particle position X : %.2f, Y : %.2f, flag : %d\n",
printf("Particle position X : %.2f, Y : %.2f, flag : %d\n", particletracer->particlePool[i].x, particletracer->particlePool[i].x,
particletracer->particlePool[i].y, particletracer->particlePool[i].y,
particletracer->particlePool[i].flag); particletracer->particlePool[i].flag);
} }
} }
void injectParticles(ParticleTracer* particletracer) void injectParticles(ParticleTracer* particletracer)
{ {
for(int i = 0; i < particletracer->numberOfParticles; ++i) for (int i = 0; i < particletracer->numberOfParticles; ++i) {
{ particletracer->particlePool[particletracer->pointer]
particletracer->particlePool[particletracer->pointer].x = particletracer->linSpaceLine[i].x; .x = particletracer->linSpaceLine[i].x;
particletracer->particlePool[particletracer->pointer].y = particletracer->linSpaceLine[i].y; particletracer->particlePool[particletracer->pointer]
.y = particletracer->linSpaceLine[i].y;
particletracer->particlePool[particletracer->pointer].flag = true; particletracer->particlePool[particletracer->pointer].flag = true;
++(particletracer->pointer); ++(particletracer->pointer);
++(particletracer->totalParticles); ++(particletracer->totalParticles);
} }
} }
void advanceParticles(ParticleTracer* particletracer, double* restrict u, double* restrict v, int* restrict s, double time) void advanceParticles(ParticleTracer* particletracer,
double* restrict u,
double* restrict v,
int* restrict s,
double time)
{ {
int imax = particletracer->imax; int imax = particletracer->imax;
int jmax = particletracer->jmax; int jmax = particletracer->jmax;
double dx = particletracer->dx; double dx = particletracer->dx;
double dy = particletracer->dy; double dy = particletracer->dy;
double xlength = particletracer->xlength; double xlength = particletracer->xlength;
double ylength = particletracer->ylength; double ylength = particletracer->ylength;
for(int i = 0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{ if (particletracer->particlePool[i].flag == true) {
if(particletracer->particlePool[i].flag == true)
{
double x = particletracer->particlePool[i].x; double x = particletracer->particlePool[i].x;
double y = particletracer->particlePool[i].y; double y = particletracer->particlePool[i].y;
@ -91,20 +93,25 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
double new_y = y + particletracer->dt * v_n; double new_y = y + particletracer->dt * v_n;
particletracer->particlePool[i].y = new_y; particletracer->particlePool[i].y = new_y;
// printf("\tOld X : %.2f, New X : %.2f, iCoord : %d\n\tOld Y : %.2f, New Y : %.2f, jCoord : %d\n\n", x, new_x, iCoord, y, new_y, jCoord); // printf("\tOld X : %.2f, New X : %.2f, iCoord : %d\n\tOld Y : %.2f, New Y :
// printf("\tU(iCoord - 1, jCoord - 1) : %.2f, U(iCoord, jCoord - 1) : %.2f, U(iCoord - 1, jCoord) : %.2f, U(iCoord, jCoord) : %.2f\n", U(iCoord - 1, jCoord - 1), U(iCoord, jCoord - 1), U(iCoord - 1, jCoord), U(iCoord, jCoord)); // %.2f, jCoord : %d\n\n", x, new_x, iCoord, y, new_y, jCoord);
// printf("\tV(iCoord - 1, jCoord - 1) : %.2f, V(iCoord, jCoord - 1) : %.2f, V(iCoord - 1, jCoord) : %.2f, V(iCoord, jCoord) : %.2f\n\n", V(iCoord - 1, jCoord - 1), V(iCoord, jCoord - 1), V(iCoord - 1, jCoord), V(iCoord, jCoord)); // printf("\tU(iCoord - 1, jCoord - 1) : %.2f, U(iCoord, jCoord - 1) : %.2f,
// printf("\t U N : %.2f, V N : %.2f\n\n", u_n, v_n); // U(iCoord - 1, jCoord) : %.2f, U(iCoord, jCoord) : %.2f\n", U(iCoord - 1,
// printf("\t j-1 * (imax + 2) + i-1 = %d with element from U : %.2f", (jCoord - 1) * (200 + 2) + (iCoord - 1), u[(jCoord - 1) * (imax + 2) + (iCoord - 1)]); // jCoord - 1), U(iCoord, jCoord - 1), U(iCoord - 1, jCoord), U(iCoord,
// printf("\nimax : %d, jmax : %d\n", imax, jmax); // jCoord)); printf("\tV(iCoord - 1, jCoord - 1) : %.2f, V(iCoord, jCoord - 1)
// : %.2f, V(iCoord - 1, jCoord) : %.2f, V(iCoord, jCoord) : %.2f\n\n",
// V(iCoord - 1, jCoord - 1), V(iCoord, jCoord - 1), V(iCoord - 1, jCoord),
// V(iCoord, jCoord)); printf("\t U N : %.2f, V N : %.2f\n\n", u_n, v_n);
// printf("\t j-1 * (imax + 2) + i-1 = %d with element from U : %.2f", (jCoord
// - 1) * (200 + 2) + (iCoord - 1), u[(jCoord - 1) * (imax + 2) + (iCoord -
// 1)]); printf("\nimax : %d, jmax : %d\n", imax, jmax);
if (((new_x < 0.0) || (new_x > xlength) || (new_y < 0.0) || (new_y > ylength))) if (((new_x < 0.0) || (new_x > xlength) || (new_y < 0.0) ||
{ (new_y > ylength))) {
particletracer->particlePool[i].flag = false; particletracer->particlePool[i].flag = false;
} }
int i_new = new_x / dx, j_new = new_y / dy; int i_new = new_x / dx, j_new = new_y / dy;
if(S(i_new, j_new) != NONE) if (S(i_new, j_new) != NONE) {
{
particletracer->particlePool[i].flag = false; particletracer->particlePool[i].flag = false;
} }
} }
@ -138,8 +145,7 @@ void writeParticles(ParticleTracer* particletracer)
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
for (int i = 0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{
double x = particlePool[i].x; double x = particlePool[i].x;
double y = particlePool[i].y; double y = particlePool[i].y;
fprintf(fp, "%f %f\n", x, y); fprintf(fp, "%f %f\n", x, y);
@ -178,47 +184,57 @@ void initParticleTracer(ParticleTracer* particletracer, Parameter* params)
particletracer->imax = params->imax; particletracer->imax = params->imax;
particletracer->jmax = params->jmax; particletracer->jmax = params->jmax;
particletracer->estimatedNumParticles = ((params->te - params->startTime) + 2 ) * params->numberOfParticles; particletracer->estimatedNumParticles = ((params->te - params->startTime) + 2) *
params->numberOfParticles;
particletracer->particlePool = malloc(sizeof(Particle) * particletracer->estimatedNumParticles); particletracer->particlePool = malloc(
particletracer->linSpaceLine = malloc(sizeof(Particle) * particletracer->numberOfParticles); sizeof(Particle) * particletracer->estimatedNumParticles);
particletracer->linSpaceLine = malloc(
sizeof(Particle) * particletracer->numberOfParticles);
for (int i = 0; i < particletracer->numberOfParticles; ++i) {
for (int i = 0; i < particletracer->numberOfParticles; ++i)
{
double spacing = (double)i / (double)(particletracer->numberOfParticles - 1); double spacing = (double)i / (double)(particletracer->numberOfParticles - 1);
particletracer->linSpaceLine[i].x = spacing * particletracer->x1 + (1.0 - spacing) * particletracer->x2; particletracer->linSpaceLine[i].x = spacing * particletracer->x1 +
particletracer->linSpaceLine[i].y = spacing * particletracer->y1 + (1.0 - spacing) * particletracer->y2; (1.0 - spacing) * particletracer->x2;
particletracer->linSpaceLine[i].y = spacing * particletracer->y1 +
(1.0 - spacing) * particletracer->y2;
particletracer->linSpaceLine[i].flag = true; particletracer->linSpaceLine[i].flag = true;
} }
} }
void printParticleTracerParameters(ParticleTracer* particletracer) void printParticleTracerParameters(ParticleTracer* particletracer)
{ {
printf("Particle Tracing data:\n"); printf("Particle Tracing data:\n");
printf("\tNumber of particles : %d being injected for every period of %.2f\n", particletracer->numberOfParticles, particletracer->injectTimePeriod); printf("\tNumber of particles : %d being injected for every period of %.2f\n",
particletracer->numberOfParticles,
particletracer->injectTimePeriod);
printf("\tstartTime : %.2f\n", particletracer->startTime); printf("\tstartTime : %.2f\n", particletracer->startTime);
printf("\t(Line along which the particles are to be injected) \n\tx1 : %.2f, y1 : %.2f, x2 : %.2f, y2 : %.2f\n", particletracer->x1, particletracer->y1, particletracer->x2, particletracer->y2); printf("\t(Line along which the particles are to be injected) \n\tx1 : %.2f, y1 : "
printf("\tPointer : %d, TotalParticles : %d\n", particletracer->pointer, particletracer->totalParticles); "%.2f, x2 : %.2f, y2 : %.2f\n",
printf("\tdt : %.2f, dx : %.2f, dy : %.2f\n", particletracer->dt, particletracer->dx, particletracer->dy); particletracer->x1,
particletracer->y1,
particletracer->x2,
particletracer->y2);
printf("\tPointer : %d, TotalParticles : %d\n",
particletracer->pointer,
particletracer->totalParticles);
printf("\tdt : %.2f, dx : %.2f, dy : %.2f\n",
particletracer->dt,
particletracer->dx,
particletracer->dy);
} }
void trace(ParticleTracer* particletracer, double* u, double* v, int* s, double time) void trace(ParticleTracer* particletracer, double* u, double* v, int* s, double time)
{ {
if (time >= particletracer->startTime) if (time >= particletracer->startTime) {
{
// printParticles(particletracer); // printParticles(particletracer);
if( (time - particletracer->lastInjectTime) >= particletracer->injectTimePeriod) if ((time - particletracer->lastInjectTime) >= particletracer->injectTimePeriod) {
{
injectParticles(particletracer); injectParticles(particletracer);
particletracer->lastInjectTime = time; particletracer->lastInjectTime = time;
} }
if( (time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod) if ((time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod) {
{
writeParticles(particletracer); writeParticles(particletracer);
particletracer->lastWriteTime = time; particletracer->lastWriteTime = time;
} }
advanceParticles(particletracer, u, v, s, time); advanceParticles(particletracer, u, v, s, time);
compress(particletracer); compress(particletracer);
@ -232,10 +248,8 @@ void compress(ParticleTracer* particletracer)
Particle tempPool[particletracer->totalParticles]; Particle tempPool[particletracer->totalParticles];
int totalParticles = 0; int totalParticles = 0;
for(int i=0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{ if (memPool[i].flag == 1) {
if(memPool[i].flag == 1)
{
tempPool[totalParticles].x = memPool[i].x; tempPool[totalParticles].x = memPool[i].x;
tempPool[totalParticles].y = memPool[i].y; tempPool[totalParticles].y = memPool[i].y;
tempPool[totalParticles].flag = memPool[i].flag; tempPool[totalParticles].flag = memPool[i].flag;

8
BasicSolver/2D-seq/src/particletracing.h
View File

@ -8,20 +8,20 @@
#define __PARTICLETRACING_H_ #define __PARTICLETRACING_H_
#include "allocate.h" #include "allocate.h"
#include "parameter.h" #include "parameter.h"
#include "solver.h"
#include "particletracing.h" #include "particletracing.h"
#include "solver.h"
#include <stdbool.h> #include <stdbool.h>
typedef enum COORD { X = 0, Y, NCOORD } COORD; typedef enum COORD { X = 0, Y, NCOORD } COORD;
typedef struct typedef struct {
{
double x, y; double x, y;
bool flag; bool flag;
} Particle; } Particle;
typedef struct { typedef struct {
int numberOfParticles, totalParticles; int numberOfParticles, totalParticles;
double startTime, injectTimePeriod, writeTimePeriod, lastInjectTime, lastUpdateTime, lastWriteTime; double startTime, injectTimePeriod, writeTimePeriod, lastInjectTime, lastUpdateTime,
lastWriteTime;
int estimatedNumParticles; int estimatedNumParticles;

17
BasicSolver/2D-seq/src/vtkWriter.c
View File

@ -71,27 +71,24 @@ void vtkParticle(VtkOptions* o, char* name)
fprintf(o->fh, "POINTS %d float\n", o->particletracer->totalParticles); fprintf(o->fh, "POINTS %d float\n", o->particletracer->totalParticles);
for (int i = 0; i < o->particletracer->totalParticles; ++i) {
for (int i = 0; i < o->particletracer->totalParticles; ++i)
{
double x = particlePool[i].x; double x = particlePool[i].x;
double y = particlePool[i].y; double y = particlePool[i].y;
fprintf(o->fh, "%.2f %.2f 0.0\n", x, y); fprintf(o->fh, "%.2f %.2f 0.0\n", x, y);
} }
fprintf(o->fh, "CELLS %d %d\n", o->particletracer->totalParticles, 2 * o->particletracer->totalParticles); fprintf(o->fh,
"CELLS %d %d\n",
o->particletracer->totalParticles,
2 * o->particletracer->totalParticles);
for (int i = 0; i < o->particletracer->totalParticles; ++i) {
for (int i = 0; i < o->particletracer->totalParticles; ++i)
{
fprintf(o->fh, "1 %d\n", i); fprintf(o->fh, "1 %d\n", i);
} }
fprintf(o->fh, "CELL_TYPES %d\n", o->particletracer->totalParticles); fprintf(o->fh, "CELL_TYPES %d\n", o->particletracer->totalParticles);
for (int i = 0; i < o->particletracer->totalParticles; ++i) {
for (int i = 0; i < o->particletracer->totalParticles; ++i)
{
fprintf(o->fh, "1\n"); fprintf(o->fh, "1\n");
} }

11
BasicSolver/3D-mpi/src/comm.c
View File

@ -508,17 +508,18 @@ void commInit(Comm* c, int kmax, int jmax, int imax)
MPI_Cart_get(c->comm, NCORDS, c->dims, periods, c->coords); MPI_Cart_get(c->comm, NCORDS, c->dims, periods, c->coords);
c->imaxLocal = sizeOfRank(c->coords[KDIM], dims[ICORD], imax); c->imaxLocal = sizeOfRank(c->coords[KDIM], dims[ICORD], imax);
//printf("\nRank : %d\nimaxLocal : %d -> c->coords[IDIM] : %d , dims[ICORD] : %d, imax : %d\n", c->rank, c->imaxLocal, c->coords[IDIM], dims[ICORD], imax); // printf("\nRank : %d\nimaxLocal : %d -> c->coords[IDIM] : %d , dims[ICORD] : %d,
// imax : %d\n", c->rank, c->imaxLocal, c->coords[IDIM], dims[ICORD], imax);
c->jmaxLocal = sizeOfRank(c->coords[JDIM], dims[JCORD], jmax); c->jmaxLocal = sizeOfRank(c->coords[JDIM], dims[JCORD], jmax);
//printf("jmaxLocal : %d -> c->coords[JDIM] : %d , dims[JCORD] : %d, imax : %d\n", c->jmaxLocal, c->coords[JDIM], dims[JCORD], jmax); // printf("jmaxLocal : %d -> c->coords[JDIM] : %d , dims[JCORD] : %d, imax : %d\n",
// c->jmaxLocal, c->coords[JDIM], dims[JCORD], jmax);
c->kmaxLocal = sizeOfRank(c->coords[IDIM], dims[KCORD], kmax); c->kmaxLocal = sizeOfRank(c->coords[IDIM], dims[KCORD], kmax);
//printf("kmaxLocal : %d -> c->coords[KDIM] : %d , dims[KCORD] : %d, imax : %d\n", c->kmaxLocal, c->coords[KDIM], dims[KCORD], kmax); // printf("kmaxLocal : %d -> c->coords[KDIM] : %d , dims[KCORD] : %d, imax : %d\n",
// c->kmaxLocal, c->coords[KDIM], dims[KCORD], kmax);
// sizeOfRank(int rank, int size, int N) // sizeOfRank(int rank, int size, int N)
// { return N / size + ((N % size > rank) ? 1 : 0); } // { return N / size + ((N % size > rank) ? 1 : 0); }
// setup buffer types for communication // setup buffer types for communication
setupCommunication(c, LEFT, BULK); setupCommunication(c, LEFT, BULK);
setupCommunication(c, LEFT, HALO); setupCommunication(c, LEFT, HALO);

8
BasicSolver/3D-mpi/src/main.c
View File

@ -13,11 +13,11 @@
#include "allocate.h" #include "allocate.h"
#include "parameter.h" #include "parameter.h"
#include "particletracing.h"
#include "progress.h" #include "progress.h"
#include "solver.h" #include "solver.h"
#include "test.h" #include "test.h"
#include "timing.h" #include "timing.h"
#include "particletracing.h"
#include "vtkWriter.h" #include "vtkWriter.h"
enum VARIANT { SOR = 1, RB, RBA }; enum VARIANT { SOR = 1, RB, RBA };
@ -42,8 +42,7 @@ int main(int argc, char** argv)
} }
readParameter(&params, argv[1]); readParameter(&params, argv[1]);
if (argc == 3) if (argc == 3) {
{
variant = atoi(argv[2]); variant = atoi(argv[2]);
} }
if (commIsMaster(&solver.comm)) { if (commIsMaster(&solver.comm)) {
@ -73,7 +72,6 @@ int main(int argc, char** argv)
setSpecialBoundaryCondition(&solver); setSpecialBoundaryCondition(&solver);
setObjectBoundaryCondition(&solver); setObjectBoundaryCondition(&solver);
computeFG(&solver); computeFG(&solver);
computeRHS(&solver); computeRHS(&solver);
// if (nt % 100 == 0) normalizePressure(&solver); // if (nt % 100 == 0) normalizePressure(&solver);
@ -94,8 +92,6 @@ int main(int argc, char** argv)
#endif #endif
} }
timeStop = getTimeStamp(); timeStop = getTimeStamp();
stopProgress(); stopProgress();
if (commIsMaster(&solver.comm)) { if (commIsMaster(&solver.comm)) {

2
BasicSolver/3D-mpi/src/parameter.c
View File

@ -27,7 +27,6 @@ void initParameter(Parameter* param)
param->gamma = 0.9; param->gamma = 0.9;
param->tau = 0.5; param->tau = 0.5;
param->rho = 0.99; param->rho = 0.99;
} }
void readParameter(Parameter* param, const char* filename) void readParameter(Parameter* param, const char* filename)
@ -111,7 +110,6 @@ void readParameter(Parameter* param, const char* filename)
PARSE_REAL(yRectLength); PARSE_REAL(yRectLength);
PARSE_REAL(zRectLength); PARSE_REAL(zRectLength);
PARSE_REAL(circleRadius); PARSE_REAL(circleRadius);
} }
} }

3
BasicSolver/3D-mpi/src/parameter.h
View File

@ -25,7 +25,8 @@ typedef struct {
double x1, y1, z1, x2, y2, z2; double x1, y1, z1, x2, y2, z2;
int shape; int shape;
double xCenter, yCenter, zCenter, xRectLength, yRectLength, zRectLength, circleRadius;} Parameter; double xCenter, yCenter, zCenter, xRectLength, yRectLength, zRectLength, circleRadius;
} Parameter;
void initParameter(Parameter*); void initParameter(Parameter*);
void readParameter(Parameter*, const char*); void readParameter(Parameter*, const char*);

452
BasicSolver/3D-mpi/src/particletracing.c
View File

@ -13,10 +13,14 @@
#include "particletracing.h" #include "particletracing.h"
#include "solver.h" #include "solver.h"
#define U(i, j, k) u[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)] #define U(i, j, k) \
#define V(i, j, k) v[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)] u[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
#define W(i, j, k) w[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)] #define V(i, j, k) \
#define S(i, j, k) seg[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)] v[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
#define W(i, j, k) \
w[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
#define S(i, j, k) \
seg[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
static int ts = 0; static int ts = 0;
@ -31,8 +35,7 @@ static double sum(int* sizes, int size)
{ {
double sum = 0; double sum = 0;
for (int i = 0; i < size; ++i) for (int i = 0; i < size; ++i) {
{
sum += sizes[i]; sum += sizes[i];
} }
@ -43,28 +46,29 @@ static double sumOffset(double* sizes, int init, int offset, int coord)
{ {
double sum = 0; double sum = 0;
for (int i = init - offset; coord > 0; i-=offset, --coord) for (int i = init - offset; coord > 0; i -= offset, --coord) {
{
sum += sizes[i]; sum += sizes[i];
} }
return sum; return sum;
} }
void printParticles(ParticleTracer* particletracer) void printParticles(ParticleTracer* particletracer)
{ {
for(int i = 0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{ printf("Rank : %d Particle position X : %.2f, Y : %.2f, flag : %d, total pt : "
printf("Rank : %d Particle position X : %.2f, Y : %.2f, flag : %d, total pt : %d, pointer : %d, xOffset : %.2f, yOffset : %.2f, xOffsetEnd : %.2f, yOffsetEnd : %.2f\n", "%d, pointer : %d, xOffset : %.2f, yOffset : %.2f, xOffsetEnd : %.2f, "
"yOffsetEnd : %.2f\n",
particletracer->rank, particletracer->rank,
particletracer->particlePool[i].x, particletracer->particlePool[i].x,
particletracer->particlePool[i].y, particletracer->particlePool[i].y,
particletracer->particlePool[i].flag, particletracer->particlePool[i].flag,
particletracer->totalParticles, particletracer->totalParticles,
particletracer->pointer, particletracer->pointer,
particletracer->xOffset, particletracer->yOffset, particletracer->xOffset,
particletracer->xOffsetEnd, particletracer->yOffsetEnd); particletracer->yOffset,
particletracer->xOffsetEnd,
particletracer->yOffsetEnd);
} }
} }
void injectParticles(ParticleTracer* particletracer, int* restrict seg) void injectParticles(ParticleTracer* particletracer, int* restrict seg)
@ -73,25 +77,29 @@ void injectParticles(ParticleTracer* particletracer,int* restrict seg)
int imaxLocal = particletracer->imaxLocal; int imaxLocal = particletracer->imaxLocal;
int jmaxLocal = particletracer->jmaxLocal; int jmaxLocal = particletracer->jmaxLocal;
int kmaxLocal = particletracer->kmaxLocal; int kmaxLocal = particletracer->kmaxLocal;
for(int i = 0; i < particletracer->numberOfParticles; ++i) for (int i = 0; i < particletracer->numberOfParticles; ++i) {
{
x = particletracer->linSpaceLine[i].x; x = particletracer->linSpaceLine[i].x;
y = particletracer->linSpaceLine[i].y; y = particletracer->linSpaceLine[i].y;
z = particletracer->linSpaceLine[i].z; z = particletracer->linSpaceLine[i].z;
if(x >= particletracer->xOffset && y >= particletracer->yOffset && z >= particletracer->zOffset && x <= particletracer->xOffsetEnd && y <= particletracer->yOffsetEnd && y <= particletracer->zOffsetEnd ) if (x >= particletracer->xOffset && y >= particletracer->yOffset &&
{ z >= particletracer->zOffset && x <= particletracer->xOffsetEnd &&
y <= particletracer->yOffsetEnd && y <= particletracer->zOffsetEnd) {
// printf("\nRank : %d\n", particletracer->rank); // printf("\nRank : %d\n", particletracer->rank);
// printf("\t%.2f >= %.2f && %.2f >= %.2f && %.2f <= %.2f && %.2f <= %.2f\n",x , particletracer->xOffset ,y , particletracer->yOffset, x , particletracer->xOffsetEnd ,y , particletracer->yOffsetEnd); // printf("\t%.2f >= %.2f && %.2f >= %.2f && %.2f <= %.2f && %.2f <= %.2f\n",x
// , particletracer->xOffset ,y , particletracer->yOffset, x ,
// particletracer->xOffsetEnd ,y , particletracer->yOffsetEnd);
particletracer->particlePool[particletracer->pointer].x = x; particletracer->particlePool[particletracer->pointer].x = x;
particletracer->particlePool[particletracer->pointer].y = y; particletracer->particlePool[particletracer->pointer].y = y;
particletracer->particlePool[particletracer->pointer].z = z; particletracer->particlePool[particletracer->pointer].z = z;
int i = particletracer->particlePool[particletracer->pointer].x / particletracer->dx; int i = particletracer->particlePool[particletracer->pointer].x /
int j = particletracer->particlePool[particletracer->pointer].y / particletracer->dy; particletracer->dx;
int k = particletracer->particlePool[particletracer->pointer].z / particletracer->dz; int j = particletracer->particlePool[particletracer->pointer].y /
if(S(i,j,k) == NONE) particletracer->dy;
{ int k = particletracer->particlePool[particletracer->pointer].z /
particletracer->dz;
if (S(i, j, k) == NONE) {
particletracer->particlePool[particletracer->pointer].flag = true; particletracer->particlePool[particletracer->pointer].flag = true;
++(particletracer->pointer); ++(particletracer->pointer);
++(particletracer->totalParticles); ++(particletracer->totalParticles);
@ -100,7 +108,12 @@ void injectParticles(ParticleTracer* particletracer,int* restrict seg)
} }
} }
void advanceParticles(ParticleTracer* particletracer, double* restrict u, double* restrict v, double* restrict w, int* restrict seg, double time) void advanceParticles(ParticleTracer* particletracer,
double* restrict u,
double* restrict v,
double* restrict w,
int* restrict seg,
double time)
{ {
int imax = particletracer->imax; int imax = particletracer->imax;
int jmax = particletracer->jmax; int jmax = particletracer->jmax;
@ -109,7 +122,6 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
int jmaxLocal = particletracer->jmaxLocal; int jmaxLocal = particletracer->jmaxLocal;
int kmaxLocal = particletracer->kmaxLocal; int kmaxLocal = particletracer->kmaxLocal;
double dx = particletracer->dx; double dx = particletracer->dx;
double dy = particletracer->dy; double dy = particletracer->dy;
double dz = particletracer->dz; double dz = particletracer->dz;
@ -118,13 +130,10 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
double ylength = particletracer->ylength; double ylength = particletracer->ylength;
double zlength = particletracer->zlength; double zlength = particletracer->zlength;
Particle buff[particletracer->size][100]; Particle buff[particletracer->size][100];
for(int i = 0; i < particletracer->size; ++i) for (int i = 0; i < particletracer->size; ++i) {
{ for (int j = 0; j < 100; ++j) {
for(int j = 0; j < 100; ++j)
{
buff[i][j].x = 0.0; buff[i][j].x = 0.0;
buff[i][j].y = 0.0; buff[i][j].y = 0.0;
buff[i][j].z = 0.0; buff[i][j].z = 0.0;
@ -135,16 +144,12 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
memset(particleBufIndex, 0, sizeof(particleBufIndex)); memset(particleBufIndex, 0, sizeof(particleBufIndex));
for (int i = 0; i < particletracer->totalParticles; ++i) {
for(int i = 0; i < particletracer->totalParticles; ++i) if (particletracer->particlePool[i].flag == true) {
{
if(particletracer->particlePool[i].flag == true)
{
double xTemp = particletracer->particlePool[i].x; double xTemp = particletracer->particlePool[i].x;
double yTemp = particletracer->particlePool[i].y; double yTemp = particletracer->particlePool[i].y;
double zTemp = particletracer->particlePool[i].z; double zTemp = particletracer->particlePool[i].z;
double x = xTemp - particletracer->xOffset; double x = xTemp - particletracer->xOffset;
double y = yTemp - particletracer->yOffset; double y = yTemp - particletracer->yOffset;
double z = zTemp - particletracer->zOffset; double z = zTemp - particletracer->zOffset;
@ -153,7 +158,6 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
int jCoord = (int)((y + 0.5 * dy) / dy) + 1; int jCoord = (int)((y + 0.5 * dy) / dy) + 1;
int kCoord = (int)((z + 0.5 * dz) / dz) + 1; int kCoord = (int)((z + 0.5 * dz) / dz) + 1;
double x1 = (double)(iCoord - 1) * dx; double x1 = (double)(iCoord - 1) * dx;
double y1 = ((double)(jCoord - 1) - 0.5) * dy; double y1 = ((double)(jCoord - 1) - 0.5) * dy;
double z1 = ((double)(kCoord - 1) - 0.5) * dz; double z1 = ((double)(kCoord - 1) - 0.5) * dz;
@ -162,18 +166,16 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
double y2 = ((double)jCoord - 0.5) * dy; double y2 = ((double)jCoord - 0.5) * dy;
double z2 = ((double)kCoord - 0.5) * dz; double z2 = ((double)kCoord - 0.5) * dz;
double u_n =
double u_n = (1.0 / (dx * dy * dz)) * (1.0 / (dx * dy * dz)) *
( ((x2 - x) * (y2 - y) * (z2 - z) * U(iCoord - 1, jCoord - 1, kCoord - 1) +
(x2 - x) * (y2 - y) * (z2 - z) * U(iCoord - 1, jCoord - 1, kCoord - 1) +
(x - x1) * (y2 - y) * (z2 - z) * U(iCoord, jCoord - 1, kCoord - 1) + (x - x1) * (y2 - y) * (z2 - z) * U(iCoord, jCoord - 1, kCoord - 1) +
(x2 - x) * (y - y1) * (z2 - z) * U(iCoord - 1, jCoord, kCoord - 1) + (x2 - x) * (y - y1) * (z2 - z) * U(iCoord - 1, jCoord, kCoord - 1) +
(x - x1) * (y - y1) * (z2 - z) * U(iCoord, jCoord, kCoord - 1) + (x - x1) * (y - y1) * (z2 - z) * U(iCoord, jCoord, kCoord - 1) +
(x2 - x) * (y2 - y) * (z - z1) * U(iCoord - 1, jCoord - 1, kCoord) + (x2 - x) * (y2 - y) * (z - z1) * U(iCoord - 1, jCoord - 1, kCoord) +
(x - x1) * (y2 - y) * (z - z1) * U(iCoord, jCoord - 1, kCoord) + (x - x1) * (y2 - y) * (z - z1) * U(iCoord, jCoord - 1, kCoord) +
(x2 - x) * (y - y1) * (z - z1) * U(iCoord - 1, jCoord, kCoord) + (x2 - x) * (y - y1) * (z - z1) * U(iCoord - 1, jCoord, kCoord) +
(x - x1) * (y - y1) * (z - z1) * U(iCoord, jCoord, kCoord) (x - x1) * (y - y1) * (z - z1) * U(iCoord, jCoord, kCoord));
);
double new_x = (x + particletracer->xOffset) + particletracer->dt * u_n; double new_x = (x + particletracer->xOffset) + particletracer->dt * u_n;
particletracer->particlePool[i].x = new_x; particletracer->particlePool[i].x = new_x;
@ -190,17 +192,16 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
y2 = (double)jCoord * dy; y2 = (double)jCoord * dy;
z2 = ((double)kCoord - 0.5) * dz; z2 = ((double)kCoord - 0.5) * dz;
double v_n = (1.0 / (dx * dy * dz)) * double v_n =
( (1.0 / (dx * dy * dz)) *
(x2 - x) * (y2 - y) * (z2 - z) * V(iCoord - 1, jCoord - 1, kCoord - 1) + ((x2 - x) * (y2 - y) * (z2 - z) * V(iCoord - 1, jCoord - 1, kCoord - 1) +
(x - x1) * (y2 - y) * (z2 - z) * V(iCoord, jCoord - 1, kCoord - 1) + (x - x1) * (y2 - y) * (z2 - z) * V(iCoord, jCoord - 1, kCoord - 1) +
(x2 - x) * (y - y1) * (z2 - z) * V(iCoord - 1, jCoord, kCoord - 1) + (x2 - x) * (y - y1) * (z2 - z) * V(iCoord - 1, jCoord, kCoord - 1) +
(x - x1) * (y - y1) * (z2 - z) * V(iCoord, jCoord, kCoord - 1) + (x - x1) * (y - y1) * (z2 - z) * V(iCoord, jCoord, kCoord - 1) +
(x2 - x) * (y2 - y) * (z - z1) * V(iCoord - 1, jCoord - 1, kCoord) + (x2 - x) * (y2 - y) * (z - z1) * V(iCoord - 1, jCoord - 1, kCoord) +
(x - x1) * (y2 - y) * (z - z1) * V(iCoord, jCoord - 1, kCoord) + (x - x1) * (y2 - y) * (z - z1) * V(iCoord, jCoord - 1, kCoord) +
(x2 - x) * (y - y1) * (z - z1) * V(iCoord - 1, jCoord, kCoord) + (x2 - x) * (y - y1) * (z - z1) * V(iCoord - 1, jCoord, kCoord) +
(x - x1) * (y - y1) * (z - z1) * V(iCoord, jCoord, kCoord) (x - x1) * (y - y1) * (z - z1) * V(iCoord, jCoord, kCoord));
);
double new_y = (y + particletracer->yOffset) + particletracer->dt * v_n; double new_y = (y + particletracer->yOffset) + particletracer->dt * v_n;
particletracer->particlePool[i].y = new_y; particletracer->particlePool[i].y = new_y;
@ -217,43 +218,56 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
y2 = ((double)jCoord - 0.5) * dy; y2 = ((double)jCoord - 0.5) * dy;
z2 = (double)kCoord * dz; z2 = (double)kCoord * dz;
double w_n = (1.0 / (dx * dy * dz)) * double w_n =
( (1.0 / (dx * dy * dz)) *
(x2 - x) * (y2 - y) * (z2 - z) * W(iCoord - 1, jCoord - 1, kCoord - 1) + ((x2 - x) * (y2 - y) * (z2 - z) * W(iCoord - 1, jCoord - 1, kCoord - 1) +
(x - x1) * (y2 - y) * (z2 - z) * W(iCoord, jCoord - 1, kCoord - 1) + (x - x1) * (y2 - y) * (z2 - z) * W(iCoord, jCoord - 1, kCoord - 1) +
(x2 - x) * (y - y1) * (z2 - z) * W(iCoord - 1, jCoord, kCoord - 1) + (x2 - x) * (y - y1) * (z2 - z) * W(iCoord - 1, jCoord, kCoord - 1) +
(x - x1) * (y - y1) * (z2 - z) * W(iCoord, jCoord, kCoord - 1) + (x - x1) * (y - y1) * (z2 - z) * W(iCoord, jCoord, kCoord - 1) +
(x2 - x) * (y2 - y) * (z - z1) * W(iCoord - 1, jCoord - 1, kCoord) + (x2 - x) * (y2 - y) * (z - z1) * W(iCoord - 1, jCoord - 1, kCoord) +
(x - x1) * (y2 - y) * (z - z1) * W(iCoord, jCoord - 1, kCoord) + (x - x1) * (y2 - y) * (z - z1) * W(iCoord, jCoord - 1, kCoord) +
(x2 - x) * (y - y1) * (z - z1) * W(iCoord - 1, jCoord, kCoord) + (x2 - x) * (y - y1) * (z - z1) * W(iCoord - 1, jCoord, kCoord) +
(x - x1) * (y - y1) * (z - z1) * W(iCoord, jCoord, kCoord) (x - x1) * (y - y1) * (z - z1) * W(iCoord, jCoord, kCoord));
);
double new_z = (z + particletracer->zOffset) + particletracer->dt * w_n; double new_z = (z + particletracer->zOffset) + particletracer->dt * w_n;
particletracer->particlePool[i].z = new_z; particletracer->particlePool[i].z = new_z;
// printf("Rank : %d\n", particletracer->rank); // printf("Rank : %d\n", particletracer->rank);
// printf("\tOld X : %.2f, translated X : %.2f, xOffset : %.2f, New X : %.2f, iCoord : %d\n\tOld Y : %.2f, translated X : %.2f, yOffset : %.2f, New Y : %.2f, jCoord : %d\n\n",xTemp, x, particletracer->xOffset, new_x, iCoord, yTemp, y, particletracer->yOffset , new_y, jCoord); // printf("\tOld X : %.2f, translated X : %.2f, xOffset : %.2f, New X : %.2f,
// printf("\tU(iCoord - 1, jCoord - 1) : %.2f, U(iCoord, jCoord - 1) : %.2f, U(iCoord - 1, jCoord) : %.2f, U(iCoord, jCoord) : %.2f\n", U(iCoord - 1, jCoord - 1), U(iCoord, jCoord - 1), U(iCoord - 1, jCoord), U(iCoord, jCoord)); // iCoord : %d\n\tOld Y : %.2f, translated X : %.2f, yOffset : %.2f, New Y :
// printf("\tV(iCoord - 1, jCoord - 1) : %.2f, V(iCoord, jCoord - 1) : %.2f, V(iCoord - 1, jCoord) : %.2f, V(iCoord, jCoord) : %.2f\n\n", V(iCoord - 1, jCoord - 1), V(iCoord, jCoord - 1), V(iCoord - 1, jCoord), V(iCoord, jCoord)); // %.2f, jCoord : %d\n\n",xTemp, x, particletracer->xOffset, new_x, iCoord,
// yTemp, y, particletracer->yOffset , new_y, jCoord); printf("\tU(iCoord - 1,
// jCoord - 1) : %.2f, U(iCoord, jCoord - 1) : %.2f, U(iCoord - 1, jCoord) :
// %.2f, U(iCoord, jCoord) : %.2f\n", U(iCoord - 1, jCoord - 1), U(iCoord,
// jCoord - 1), U(iCoord - 1, jCoord), U(iCoord, jCoord)); printf("\tV(iCoord
// - 1, jCoord - 1) : %.2f, V(iCoord, jCoord - 1) : %.2f, V(iCoord - 1,
// jCoord) : %.2f, V(iCoord, jCoord) : %.2f\n\n", V(iCoord - 1, jCoord - 1),
// V(iCoord, jCoord - 1), V(iCoord - 1, jCoord), V(iCoord, jCoord));
// printf("\t U N : %.2f, V N : %.2f\n\n", u_n, v_n); // printf("\t U N : %.2f, V N : %.2f\n\n", u_n, v_n);
if (((new_x < particletracer->xOffset) || (new_x >= particletracer->xOffsetEnd) || if (((new_x < particletracer->xOffset) ||
(new_y < particletracer->yOffset) || (new_y >= particletracer->yOffsetEnd) || (new_x >= particletracer->xOffsetEnd) ||
(new_z < particletracer->zOffset) || (new_z >= particletracer->zOffsetEnd))) (new_y < particletracer->yOffset) ||
{ (new_y >= particletracer->yOffsetEnd) ||
//New logic to transfer particles to neighbouring ranks or discard the particle. (new_z < particletracer->zOffset) ||
(new_z >= particletracer->zOffsetEnd))) {
// New logic to transfer particles to neighbouring ranks or discard the
// particle.
for(int i = 0; i < particletracer->size; ++i) for (int i = 0; i < particletracer->size; ++i) {
{ if ((new_x >=
if((new_x >= particletracer->offset[i + particletracer->size * XOFFSET]) && particletracer->offset[i + particletracer->size * XOFFSET]) &&
(new_x <= particletracer->offset[i + particletracer->size * XOFFSETEND]) && (new_x <= particletracer
(new_y >= particletracer->offset[i + particletracer->size * YOFFSET]) && ->offset[i + particletracer->size * XOFFSETEND]) &&
(new_y <= particletracer->offset[i + particletracer->size * YOFFSETEND]) && (new_y >=
(new_z >= particletracer->offset[i + particletracer->size * ZOFFSET]) && particletracer->offset[i + particletracer->size * YOFFSET]) &&
(new_z <= particletracer->offset[i + particletracer->size * ZOFFSETEND]) && (new_y <= particletracer
i != particletracer->rank) ->offset[i + particletracer->size * YOFFSETEND]) &&
{ (new_z >=
particletracer->offset[i + particletracer->size * ZOFFSET]) &&
(new_z <= particletracer
->offset[i + particletracer->size * ZOFFSETEND]) &&
i != particletracer->rank) {
buff[i][particleBufIndex[i]].x = new_x; buff[i][particleBufIndex[i]].x = new_x;
buff[i][particleBufIndex[i]].y = new_y; buff[i][particleBufIndex[i]].y = new_y;
buff[i][particleBufIndex[i]].z = new_z; buff[i][particleBufIndex[i]].z = new_z;
@ -268,39 +282,44 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
int iOffset = particletracer->xOffset / dx, int iOffset = particletracer->xOffset / dx,
jOffset = particletracer->yOffset / dy, jOffset = particletracer->yOffset / dy,
kOffset = particletracer->zOffset / dz; kOffset = particletracer->zOffset / dz;
if(S(i_new - iOffset, j_new - jOffset, k_new - kOffset) != NONE) if (S(i_new - iOffset, j_new - jOffset, k_new - kOffset) != NONE) {
{
particletracer->particlePool[i].flag = false; particletracer->particlePool[i].flag = false;
} }
} }
} }
} }
for(int i = 0; i < particletracer->size; ++i) for (int i = 0; i < particletracer->size; ++i) {
{ if (i != particletracer->rank) {
if(i != particletracer->rank) MPI_Send(buff[i],
{ 100,
MPI_Send(buff[i], 100, particletracer->mpi_particle, i, 0, particletracer->comm); particletracer->mpi_particle,
i,
0,
particletracer->comm);
} }
} }
for(int i = 0; i < particletracer->size; ++i) for (int i = 0; i < particletracer->size; ++i) {
{ if (i != particletracer->rank) {
if(i != particletracer->rank) MPI_Recv(buff[i],
{ 100,
MPI_Recv(buff[i], 100, particletracer->mpi_particle, i, 0, particletracer->comm, MPI_STATUS_IGNORE); particletracer->mpi_particle,
i,
0,
particletracer->comm,
MPI_STATUS_IGNORE);
} }
} }
for(int i = 0; i < particletracer->size; ++i) for (int i = 0; i < particletracer->size; ++i) {
{ if (i != particletracer->rank) {
if(i != particletracer->rank) for (int j = 0; j < 100; ++j) {
{ if (buff[i][j].flag == true) {
for(int j = 0; j < 100; ++j) particletracer->particlePool[particletracer->pointer].x = buff[i][j]
{ .x;
if(buff[i][j].flag == true) particletracer->particlePool[particletracer->pointer].y = buff[i][j]
{ .y;
particletracer->particlePool[particletracer->pointer].x = buff[i][j].x; particletracer->particlePool[particletracer->pointer].z = buff[i][j]
particletracer->particlePool[particletracer->pointer].y = buff[i][j].y; .z;
particletracer->particlePool[particletracer->pointer].z = buff[i][j].z;
particletracer->particlePool[particletracer->pointer].flag = true; particletracer->particlePool[particletracer->pointer].flag = true;
++(particletracer->pointer); ++(particletracer->pointer);
++(particletracer->totalParticles); ++(particletracer->totalParticles);
@ -321,23 +340,34 @@ void writeParticles(ParticleTracer* particletracer)
{ {
int collectedBuffIndex[particletracer->size]; int collectedBuffIndex[particletracer->size];
MPI_Gather(&particletracer->totalParticles, 1, MPI_INT, collectedBuffIndex, 1, MPI_INT, 0, particletracer->comm); MPI_Gather(&particletracer->totalParticles,
1,
MPI_INT,
collectedBuffIndex,
1,
MPI_INT,
0,
particletracer->comm);
if(particletracer->rank != 0) if (particletracer->rank != 0) {
{
Particle buff[particletracer->totalParticles]; Particle buff[particletracer->totalParticles];
for(int i = 0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{
buff[i].x = particletracer->particlePool[i].x; buff[i].x = particletracer->particlePool[i].x;
buff[i].y = particletracer->particlePool[i].y; buff[i].y = particletracer->particlePool[i].y;
buff[i].z = particletracer->particlePool[i].z; buff[i].z = particletracer->particlePool[i].z;
buff[i].flag = particletracer->particlePool[i].flag; buff[i].flag = particletracer->particlePool[i].flag;
//printf("Rank : %d sending to rank 0 X : %.2f, Y : %.2f with totalpt : %d\n", particletracer->rank, buff[i].x, buff[i].y, particletracer->totalParticles); // printf("Rank : %d sending to rank 0 X : %.2f, Y : %.2f with totalpt :
// %d\n", particletracer->rank, buff[i].x, buff[i].y,
// particletracer->totalParticles);
} }
MPI_Send(buff, particletracer->totalParticles, particletracer->mpi_particle, 0, 1, particletracer->comm); MPI_Send(buff,
particletracer->totalParticles,
particletracer->mpi_particle,
0,
1,
particletracer->comm);
} }
if(particletracer->rank == 0) if (particletracer->rank == 0) {
{
char filename[50]; char filename[50];
FILE* fp; FILE* fp;
@ -352,7 +382,6 @@ void writeParticles(ParticleTracer* particletracer)
fprintf(fp, "PAMPI cfd solver particle tracing file\n"); fprintf(fp, "PAMPI cfd solver particle tracing file\n");
fprintf(fp, "ASCII\n"); fprintf(fp, "ASCII\n");
fprintf(fp, "DATASET UNSTRUCTURED_GRID\n"); fprintf(fp, "DATASET UNSTRUCTURED_GRID\n");
fprintf(fp, "FIELD FieldData 2\n"); fprintf(fp, "FIELD FieldData 2\n");
fprintf(fp, "TIME 1 1 double\n"); fprintf(fp, "TIME 1 1 double\n");
@ -366,24 +395,26 @@ void writeParticles(ParticleTracer* particletracer)
printf("Total particles : %d\n", overallTotalParticles); printf("Total particles : %d\n", overallTotalParticles);
for (int i = 1; i < particletracer->size; ++i) for (int i = 1; i < particletracer->size; ++i) {
{
Particle recvBuff[collectedBuffIndex[i]]; Particle recvBuff[collectedBuffIndex[i]];
MPI_Recv(&recvBuff, collectedBuffIndex[i], particletracer->mpi_particle, i, 1, particletracer->comm, MPI_STATUS_IGNORE); MPI_Recv(&recvBuff,
collectedBuffIndex[i],
particletracer->mpi_particle,
i,
1,
particletracer->comm,
MPI_STATUS_IGNORE);
for (int j = 0; j < collectedBuffIndex[i]; ++j) for (int j = 0; j < collectedBuffIndex[i]; ++j) {
{
double x = recvBuff[j].x; double x = recvBuff[j].x;
double y = recvBuff[j].y; double y = recvBuff[j].y;
double z = recvBuff[j].z; double z = recvBuff[j].z;
fprintf(fp, "%f %f %f\n", x, y, z); fprintf(fp, "%f %f %f\n", x, y, z);
//printf("Rank : 0 receiving from rank %d X : %.2f, Y : %.2f with totalpt : %d\n", i, x, y, particletracer->totalParticles); // printf("Rank : 0 receiving from rank %d X : %.2f, Y : %.2f with totalpt
// : %d\n", i, x, y, particletracer->totalParticles);
} }
} }
for (int i = 0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{
double x = particletracer->particlePool[i].x; double x = particletracer->particlePool[i].x;
double y = particletracer->particlePool[i].y; double y = particletracer->particlePool[i].y;
double z = particletracer->particlePool[i].z; double z = particletracer->particlePool[i].z;
@ -392,17 +423,13 @@ void writeParticles(ParticleTracer* particletracer)
fprintf(fp, "CELLS %d %d\n", overallTotalParticles, 2 * overallTotalParticles); fprintf(fp, "CELLS %d %d\n", overallTotalParticles, 2 * overallTotalParticles);
for (int i = 0; i < overallTotalParticles; ++i) {
for (int i = 0; i < overallTotalParticles; ++i)
{
fprintf(fp, "1 %d\n", i); fprintf(fp, "1 %d\n", i);
} }
fprintf(fp, "CELL_TYPES %d\n", overallTotalParticles); fprintf(fp, "CELL_TYPES %d\n", overallTotalParticles);
for (int i = 0; i < overallTotalParticles; ++i) {
for (int i = 0; i < overallTotalParticles; ++i)
{
fprintf(fp, "1\n"); fprintf(fp, "1\n");
} }
@ -452,19 +479,22 @@ void initParticleTracer(ParticleTracer* particletracer, Parameter* params, Solv
particletracer->jmaxLocal = solver->comm.jmaxLocal; particletracer->jmaxLocal = solver->comm.jmaxLocal;
particletracer->kmaxLocal = solver->comm.kmaxLocal; particletracer->kmaxLocal = solver->comm.kmaxLocal;
particletracer->estimatedNumParticles = (particletracer->imaxLocal * particletracer->jmaxLocal * particletracer->kmaxLocal); particletracer->estimatedNumParticles = (particletracer->imaxLocal *
particletracer->jmaxLocal *
particletracer->kmaxLocal);
particletracer->particlePool = malloc(sizeof(Particle) * particletracer->estimatedNumParticles); particletracer->particlePool = malloc(
sizeof(Particle) * particletracer->estimatedNumParticles);
for(int i = 0; i < particletracer->estimatedNumParticles; ++i) for (int i = 0; i < particletracer->estimatedNumParticles; ++i) {
{
particletracer->particlePool[i].x = 0.0; particletracer->particlePool[i].x = 0.0;
particletracer->particlePool[i].y = 0.0; particletracer->particlePool[i].y = 0.0;
particletracer->particlePool[i].z = 0.0; particletracer->particlePool[i].z = 0.0;
particletracer->particlePool[i].flag = false; particletracer->particlePool[i].flag = false;
} }
particletracer->linSpaceLine = malloc(sizeof(Particle) * particletracer->numberOfParticles); particletracer->linSpaceLine = malloc(
sizeof(Particle) * particletracer->numberOfParticles);
/* duplicating communication from solver */ /* duplicating communication from solver */
MPI_Comm_dup(solver->comm.comm, &particletracer->comm); MPI_Comm_dup(solver->comm.comm, &particletracer->comm);
@ -474,13 +504,10 @@ void initParticleTracer(ParticleTracer* particletracer, Parameter* params, Solv
particletracer->offset = (double*)malloc(sizeof(double) * 4 * particletracer->size); particletracer->offset = (double*)malloc(sizeof(double) * 4 * particletracer->size);
memcpy(particletracer->dims, solver->comm.dims, sizeof(solver->comm.dims)); memcpy(particletracer->dims, solver->comm.dims, sizeof(solver->comm.dims));
memcpy(particletracer->coords, solver->comm.coords, sizeof(solver->comm.coords)); memcpy(particletracer->coords, solver->comm.coords, sizeof(solver->comm.coords));
double offset[6][particletracer->size]; double offset[6][particletracer->size];
particletracer->xOffset = solver->xOffset; particletracer->xOffset = solver->xOffset;
@ -490,49 +517,95 @@ void initParticleTracer(ParticleTracer* particletracer, Parameter* params, Solv
particletracer->yOffsetEnd = solver->yOffsetEnd; particletracer->yOffsetEnd = solver->yOffsetEnd;
particletracer->zOffsetEnd = solver->zOffsetEnd; particletracer->zOffsetEnd = solver->zOffsetEnd;
//printf("Rank : %d, xOffset : %.2f, yOffset : %.2f, zOffset : %.2f, xOffsetEnd : %.2f, yOffsetEnd : %.2f, zOffsetEnd : %.2f\n", particletracer->rank, particletracer->xOffset, particletracer->yOffset, particletracer->zOffset, particletracer->xOffsetEnd, particletracer->yOffsetEnd, particletracer->zOffsetEnd); // printf("Rank : %d, xOffset : %.2f, yOffset : %.2f, zOffset : %.2f, xOffsetEnd :
// %.2f, yOffsetEnd : %.2f, zOffsetEnd : %.2f\n", particletracer->rank,
// particletracer->xOffset, particletracer->yOffset, particletracer->zOffset,
// particletracer->xOffsetEnd, particletracer->yOffsetEnd,
// particletracer->zOffsetEnd);
MPI_Allgather(&particletracer->xOffset, 1, MPI_DOUBLE, offset[0], 1, MPI_DOUBLE, particletracer->comm); MPI_Allgather(&particletracer->xOffset,
MPI_Allgather(&particletracer->yOffset, 1, MPI_DOUBLE, offset[1], 1, MPI_DOUBLE, particletracer->comm); 1,
MPI_Allgather(&particletracer->zOffset, 1, MPI_DOUBLE, offset[2], 1, MPI_DOUBLE, particletracer->comm); MPI_DOUBLE,
MPI_Allgather(&particletracer->xOffsetEnd, 1, MPI_DOUBLE, offset[3], 1, MPI_DOUBLE, particletracer->comm); offset[0],
MPI_Allgather(&particletracer->yOffsetEnd, 1, MPI_DOUBLE, offset[4], 1, MPI_DOUBLE, particletracer->comm); 1,
MPI_Allgather(&particletracer->zOffsetEnd, 1, MPI_DOUBLE, offset[5], 1, MPI_DOUBLE, particletracer->comm); MPI_DOUBLE,
particletracer->comm);
MPI_Allgather(&particletracer->yOffset,
1,
MPI_DOUBLE,
offset[1],
1,
MPI_DOUBLE,
particletracer->comm);
MPI_Allgather(&particletracer->zOffset,
1,
MPI_DOUBLE,
offset[2],
1,
MPI_DOUBLE,
particletracer->comm);
MPI_Allgather(&particletracer->xOffsetEnd,
1,
MPI_DOUBLE,
offset[3],
1,
MPI_DOUBLE,
particletracer->comm);
MPI_Allgather(&particletracer->yOffsetEnd,
1,
MPI_DOUBLE,
offset[4],
1,
MPI_DOUBLE,
particletracer->comm);
MPI_Allgather(&particletracer->zOffsetEnd,
1,
MPI_DOUBLE,
offset[5],
1,
MPI_DOUBLE,
particletracer->comm);
memcpy(particletracer->offset, offset, sizeof(offset)); memcpy(particletracer->offset, offset, sizeof(offset));
// if(particletracer->rank == 0) // if(particletracer->rank == 0)
// { // {
// for(int i = 0;i < particletracer->size; ++i) // for(int i = 0;i < particletracer->size; ++i)
// { // {
// printf("Rank : %d, xLocal : %.2f, yLocal : %.2f, zLocal : %.2f\n", i, xLocal[i], yLocal[i], zLocal[i]); // printf("Rank : %d, xLocal : %.2f, yLocal : %.2f, zLocal : %.2f\n", i,
// xLocal[i], yLocal[i], zLocal[i]);
// } // }
// for(int i = 0;i < particletracer->size; ++i) // for(int i = 0;i < particletracer->size; ++i)
// { // {
// printf("Rank : %d and its xOffset : %.2f, yOffset : %.2f, zOffset : %.2f,xOffsetEnd : %.2f, yOffsetEnd : %.2f, zOffsetEnd : %.2f\n", // printf("Rank : %d and its xOffset : %.2f, yOffset : %.2f, zOffset :
// i, particletracer->offset[i + particletracer->size * XOFFSET], // %.2f,xOffsetEnd : %.2f, yOffsetEnd : %.2f, zOffsetEnd : %.2f\n", i,
// particletracer->offset[i + particletracer->size * YOFFSET], particletracer->offset[i + particletracer->size * ZOFFSET] // particletracer->offset[i + particletracer->size * XOFFSET],
// , particletracer->offset[i + particletracer->size * XOFFSETEND], // particletracer->offset[i + particletracer->size * YOFFSET],
// particletracer->offset[i + particletracer->size * YOFFSETEND], particletracer->offset[i + particletracer->size * ZOFFSETEND]); // particletracer->offset[i + particletracer->size * ZOFFSET] ,
// particletracer->offset[i + particletracer->size * XOFFSETEND],
// particletracer->offset[i + particletracer->size * YOFFSETEND],
// particletracer->offset[i + particletracer->size * ZOFFSETEND]);
// } // }
// } // }
for (int i = 0; i < particletracer->numberOfParticles; ++i) for (int i = 0; i < particletracer->numberOfParticles; ++i) {
{ // double spacing = (double)i /
// double spacing = (double)i / (double)(particletracer->numberOfParticles - 1); // (double)(particletracer->numberOfParticles - 1);
// particletracer->linSpaceLine[i].x = spacing * particletracer->x1 + (1.0 - spacing) * particletracer->x2; // particletracer->linSpaceLine[i].x = spacing * particletracer->x1 + (1.0 -
// particletracer->linSpaceLine[i].y = spacing * particletracer->y1 + (1.0 - spacing) * particletracer->y2; // spacing) * particletracer->x2; particletracer->linSpaceLine[i].y = spacing *
// particletracer->linSpaceLine[i].z = spacing * particletracer->z1 + (1.0 - spacing) * particletracer->z2; // particletracer->y1 + (1.0 - spacing) * particletracer->y2;
// particletracer->linSpaceLine[i].z = spacing * particletracer->z1 + (1.0 -
// spacing) * particletracer->z2;
particletracer->linSpaceLine[i].x = particletracer->x1; particletracer->linSpaceLine[i].x = particletracer->x1;
particletracer->linSpaceLine[i].y = (double) rand() / RAND_MAX * particletracer->ylength; particletracer->linSpaceLine[i].y = (double)rand() / RAND_MAX *
particletracer->linSpaceLine[i].z = (double) rand() / RAND_MAX * particletracer->zlength; particletracer->ylength;
particletracer->linSpaceLine[i].z = (double)rand() / RAND_MAX *
particletracer->zlength;
particletracer->linSpaceLine[i].flag = true; particletracer->linSpaceLine[i].flag = true;
} }
// Create the mpi_particle datatype // Create the mpi_particle datatype
MPI_Datatype mpi_particle; MPI_Datatype mpi_particle;
int lengths[4] = { 1, 1, 1, 1 }; int lengths[4] = { 1, 1, 1, 1 };
@ -550,37 +623,69 @@ void initParticleTracer(ParticleTracer* particletracer, Parameter* params, Solv
displacements[2] = MPI_Aint_diff(displacements[2], base_address); displacements[2] = MPI_Aint_diff(displacements[2], base_address);
displacements[3] = MPI_Aint_diff(displacements[3], base_address); displacements[3] = MPI_Aint_diff(displacements[3], base_address);
MPI_Datatype types[4] = { MPI_DOUBLE, MPI_DOUBLE, MPI_DOUBLE, MPI_C_BOOL }; MPI_Datatype types[4] = { MPI_DOUBLE, MPI_DOUBLE, MPI_DOUBLE, MPI_C_BOOL };
MPI_Type_create_struct(4, lengths, displacements, types, &particletracer->mpi_particle); MPI_Type_create_struct(4,
lengths,
displacements,
types,
&particletracer->mpi_particle);
MPI_Type_commit(&particletracer->mpi_particle); MPI_Type_commit(&particletracer->mpi_particle);
} }
void printParticleTracerParameters(ParticleTracer* particletracer) void printParticleTracerParameters(ParticleTracer* particletracer)
{ {
printf("Particle Tracing data:\n"); printf("Particle Tracing data:\n");
printf("Rank : %d\n", particletracer->rank); printf("Rank : %d\n", particletracer->rank);
printf("\tNumber of particles : %d being injected for every period of %.2f\n", particletracer->numberOfParticles, particletracer->injectTimePeriod); printf("\tNumber of particles : %d being injected for every period of %.2f\n",
particletracer->numberOfParticles,
particletracer->injectTimePeriod);
printf("\tstartTime : %.2f\n", particletracer->startTime); printf("\tstartTime : %.2f\n", particletracer->startTime);
printf("\t(Line along which the particles are to be injected) \n\tx1 : %.2f, y1 : %.2f, z1 : %.2f, x2 : %.2f, y2 : %.2f, z2 : %.2f\n", particletracer->x1, particletracer->y1, particletracer->z1, particletracer->x2, particletracer->y2, particletracer->z2); printf("\t(Line along which the particles are to be injected) \n\tx1 : %.2f, y1 : "
printf("\tPointer : %d, TotalParticles : %d\n", particletracer->pointer, particletracer->totalParticles); "%.2f, z1 : %.2f, x2 : %.2f, y2 : %.2f, z2 : %.2f\n",
printf("\tdt : %.2f, dx : %.2f, dy : %.2f, dz : %.2f\n", particletracer->dt, particletracer->dx, particletracer->dy, particletracer->dz); particletracer->x1,
printf("\tcoord[0] : %d, coord[1] : %d, coord[2] : %d\n", particletracer->coords[IDIM], particletracer->coords[JDIM], particletracer->coords[KDIM]); particletracer->y1,
printf("\txOffset : %.2f, yOffset : %.2f, zOffset : %.2f\n", particletracer->xOffset, particletracer->yOffset, particletracer->zOffset); particletracer->z1,
printf("\txOffsetEnd : %.2f, yOffsetEnd : %.2f, zOffsetEnd : %.2f\n", particletracer->xOffsetEnd, particletracer->yOffsetEnd, particletracer->zOffsetEnd); particletracer->x2,
printf("\txLocal : %.2f, yLocal : %.2f, zLocal : %.2f\n", particletracer->xLocal, particletracer->yLocal, particletracer->zLocal); particletracer->y2,
particletracer->z2);
printf("\tPointer : %d, TotalParticles : %d\n",
particletracer->pointer,
particletracer->totalParticles);
printf("\tdt : %.2f, dx : %.2f, dy : %.2f, dz : %.2f\n",
particletracer->dt,
particletracer->dx,
particletracer->dy,
particletracer->dz);
printf("\tcoord[0] : %d, coord[1] : %d, coord[2] : %d\n",
particletracer->coords[IDIM],
particletracer->coords[JDIM],
particletracer->coords[KDIM]);
printf("\txOffset : %.2f, yOffset : %.2f, zOffset : %.2f\n",
particletracer->xOffset,
particletracer->yOffset,
particletracer->zOffset);
printf("\txOffsetEnd : %.2f, yOffsetEnd : %.2f, zOffsetEnd : %.2f\n",
particletracer->xOffsetEnd,
particletracer->yOffsetEnd,
particletracer->zOffsetEnd);
printf("\txLocal : %.2f, yLocal : %.2f, zLocal : %.2f\n",
particletracer->xLocal,
particletracer->yLocal,
particletracer->zLocal);
} }
void trace(ParticleTracer* particletracer, double* restrict u, double* restrict v, double* restrict w, int* restrict seg,double time) void trace(ParticleTracer* particletracer,
{ double* restrict u,
if (time >= particletracer->startTime) double* restrict v,
{ double* restrict w,
if( (time - particletracer->lastInjectTime) >= particletracer->injectTimePeriod) int* restrict seg,
double time)
{ {
if (time >= particletracer->startTime) {
if ((time - particletracer->lastInjectTime) >= particletracer->injectTimePeriod) {
injectParticles(particletracer, seg); injectParticles(particletracer, seg);
particletracer->lastInjectTime = time; particletracer->lastInjectTime = time;
} }
if( (time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod) if ((time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod) {
{
writeParticles(particletracer); writeParticles(particletracer);
particletracer->lastWriteTime = time; particletracer->lastWriteTime = time;
} }
@ -595,8 +700,7 @@ void compress(ParticleTracer* particletracer)
Particle* memPool = particletracer->particlePool; Particle* memPool = particletracer->particlePool;
Particle tempPool[particletracer->totalParticles]; Particle tempPool[particletracer->totalParticles];
for(int i = 0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{
tempPool[i].x = 0.0; tempPool[i].x = 0.0;
tempPool[i].y = 0.0; tempPool[i].y = 0.0;
tempPool[i].z = 0.0; tempPool[i].z = 0.0;
@ -604,10 +708,8 @@ void compress(ParticleTracer* particletracer)
} }
int totalParticles = 0; int totalParticles = 0;
for(int i=0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{ if (memPool[i].flag == true) {
if(memPool[i].flag == true)
{
tempPool[totalParticles].x = memPool[i].x; tempPool[totalParticles].x = memPool[i].x;
tempPool[totalParticles].y = memPool[i].y; tempPool[totalParticles].y = memPool[i].y;
tempPool[totalParticles].z = memPool[i].z; tempPool[totalParticles].z = memPool[i].z;

11
BasicSolver/3D-mpi/src/particletracing.h
View File

@ -9,21 +9,21 @@
#include "allocate.h" #include "allocate.h"
#include "parameter.h" #include "parameter.h"
#include "solver.h" #include "solver.h"
#include <stdbool.h>
#include <mpi.h> #include <mpi.h>
#include <stdbool.h>
#define NDIMS 3 #define NDIMS 3
typedef enum COORD { X = 0, Y, NCOORD } COORD; typedef enum COORD { X = 0, Y, NCOORD } COORD;
typedef struct typedef struct {
{
double x, y, z; double x, y, z;
bool flag; bool flag;
} Particle; } Particle;
typedef struct { typedef struct {
int numberOfParticles, totalParticles; int numberOfParticles, totalParticles;
double startTime, injectTimePeriod, writeTimePeriod, lastInjectTime, lastUpdateTime, lastWriteTime; double startTime, injectTimePeriod, writeTimePeriod, lastInjectTime, lastUpdateTime,
lastWriteTime;
int estimatedNumParticles; int estimatedNumParticles;
@ -43,7 +43,8 @@ typedef struct {
int rank, size; int rank, size;
int coords[NDIMS], dims[NDIMS]; int coords[NDIMS], dims[NDIMS];
double xLocal, yLocal, zLocal, xOffset, yOffset, zOffset, xOffsetEnd, yOffsetEnd, zOffsetEnd; double xLocal, yLocal, zLocal, xOffset, yOffset, zOffset, xOffsetEnd, yOffsetEnd,
zOffsetEnd;
double* offset; double* offset;

83
BasicSolver/3D-mpi/src/solver.c
View File

@ -32,7 +32,8 @@
w[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)] w[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
#define RHS(i, j, k) \ #define RHS(i, j, k) \
rhs[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)] rhs[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
#define S(i, j, k) seg[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)] #define S(i, j, k) \
seg[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
static double distance( static double distance(
double i, double j, double k, double iCenter, double jCenter, double kCenter) double i, double j, double k, double iCenter, double jCenter, double kCenter)
@ -79,13 +80,11 @@ static void printConfig(Solver* s)
commPrintConfig(&s->comm); commPrintConfig(&s->comm);
} }
static double sumOffset(double* sizes, int init, int offset, int coord) static double sumOffset(double* sizes, int init, int offset, int coord)
{ {
double sum = 0; double sum = 0;
for (int i = init - offset; coord > 0; i-=offset, --coord) for (int i = init - offset; coord > 0; i -= offset, --coord) {
{
sum += sizes[i]; sum += sizes[i];
} }
@ -231,7 +230,6 @@ void initSolver(Solver* s, Parameter* params)
s->gamma = params->gamma; s->gamma = params->gamma;
s->rho = params->rho; s->rho = params->rho;
commInit(&s->comm, s->grid.kmax, s->grid.jmax, s->grid.imax); commInit(&s->comm, s->grid.kmax, s->grid.jmax, s->grid.imax);
/* allocate arrays */ /* allocate arrays */
int imaxLocal = s->comm.imaxLocal; int imaxLocal = s->comm.imaxLocal;
@ -249,7 +247,6 @@ void initSolver(Solver* s, Parameter* params)
s->h = allocate(64, size * sizeof(double)); s->h = allocate(64, size * sizeof(double));
s->seg = allocate(64, size * sizeof(int)); s->seg = allocate(64, size * sizeof(int));
for (int i = 0; i < size; i++) { for (int i = 0; i < size; i++) {
s->u[i] = params->u_init; s->u[i] = params->u_init;
s->v[i] = params->v_init; s->v[i] = params->v_init;
@ -260,7 +257,6 @@ void initSolver(Solver* s, Parameter* params)
s->g[i] = 0.0; s->g[i] = 0.0;
s->h[i] = 0.0; s->h[i] = 0.0;
s->seg[i] = NONE; s->seg[i] = NONE;
} }
double dx = s->grid.dx; double dx = s->grid.dx;
@ -286,14 +282,19 @@ void initSolver(Solver* s, Parameter* params)
MPI_Allgather(&s->yLocal, 1, MPI_DOUBLE, yLocal, 1, MPI_DOUBLE, s->comm.comm); MPI_Allgather(&s->yLocal, 1, MPI_DOUBLE, yLocal, 1, MPI_DOUBLE, s->comm.comm);
MPI_Allgather(&s->zLocal, 1, MPI_DOUBLE, zLocal, 1, MPI_DOUBLE, s->comm.comm); MPI_Allgather(&s->zLocal, 1, MPI_DOUBLE, zLocal, 1, MPI_DOUBLE, s->comm.comm);
s->xOffset = sumOffset(xLocal, s->comm.rank, (s->comm.dims[1] * s->comm.dims[2]), s->comm.coords[0]); s->xOffset = sumOffset(xLocal,
s->comm.rank,
(s->comm.dims[1] * s->comm.dims[2]),
s->comm.coords[0]);
s->yOffset = sumOffset(yLocal, s->comm.rank, s->comm.dims[2], s->comm.coords[1]); s->yOffset = sumOffset(yLocal, s->comm.rank, s->comm.dims[2], s->comm.coords[1]);
s->zOffset = sumOffset(zLocal, s->comm.rank, 1, s->comm.coords[2]); s->zOffset = sumOffset(zLocal, s->comm.rank, 1, s->comm.coords[2]);
s->xOffsetEnd = s->xOffset + s->xLocal; s->xOffsetEnd = s->xOffset + s->xLocal;
s->yOffsetEnd = s->yOffset + s->yLocal; s->yOffsetEnd = s->yOffset + s->yLocal;
s->zOffsetEnd = s->zOffset + s->zLocal; s->zOffsetEnd = s->zOffset + s->zLocal;
// printf("Rank : %d, xOffset : %.2f, yOffset : %.2f, zOffset : %.2f, xOffsetEnd : %.2f, yOffsetEnd : %.2f, zOffsetEnd : %.2f\n", s->comm.rank, s->xOffset, s->yOffset, s->zOffset, s->xOffsetEnd, s->yOffsetEnd, s->zOffsetEnd); // printf("Rank : %d, xOffset : %.2f, yOffset : %.2f, zOffset : %.2f, xOffsetEnd :
// %.2f, yOffsetEnd : %.2f, zOffsetEnd : %.2f\n", s->comm.rank, s->xOffset,
// s->yOffset, s->zOffset, s->xOffsetEnd, s->yOffsetEnd, s->zOffsetEnd);
// exit(0); // exit(0);
@ -317,8 +318,9 @@ void initSolver(Solver* s, Parameter* params)
for (int k = 1; k < kmaxLocal + 1; k++) { for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) { for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) { for (int i = 1; i < imaxLocal + 1; i++) {
if ((x1 <= ((i + iOffset) * dx)) && (((i + iOffset) * dx) <= x2) && (y1 <= ((j +jOffset) * dy)) && if ((x1 <= ((i + iOffset) * dx)) && (((i + iOffset) * dx) <= x2) &&
(((j+ jOffset) * dy) <= y2) && ((z1 <= ((k + kOffset) * dz)) && (((k + kOffset)* dz) <= z2))) { (y1 <= ((j + jOffset) * dy)) && (((j + jOffset) * dy) <= y2) &&
((z1 <= ((k + kOffset) * dz)) && (((k + kOffset) * dz) <= z2))) {
S(i, j, k) = LOCAL; S(i, j, k) = LOCAL;
} }
} }
@ -353,7 +355,6 @@ void initSolver(Solver* s, Parameter* params)
commExchangeInt(&s->comm, seg); commExchangeInt(&s->comm, seg);
for (int k = 1; k < kmaxLocal + 1; k++) { for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) { for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) { for (int i = 1; i < imaxLocal + 1; i++) {
@ -516,8 +517,7 @@ void computeRHS(Solver* s)
for (int k = 1; k < kmaxLocal + 1; k++) { for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) { for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) { for (int i = 1; i < imaxLocal + 1; i++) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{
RHS(i, j, k) = ((F(i, j, k) - F(i - 1, j, k)) * idx + RHS(i, j, k) = ((F(i, j, k) - F(i - 1, j, k)) * idx +
(G(i, j, k) - G(i, j - 1, k)) * idy + (G(i, j, k) - G(i, j - 1, k)) * idy +
(H(i, j, k) - H(i, j, k - 1)) * idz) * (H(i, j, k) - H(i, j, k - 1)) * idz) *
@ -557,7 +557,6 @@ void solveRB(Solver* s)
int pass, ksw, jsw, isw; int pass, ksw, jsw, isw;
int* seg = s->seg; int* seg = s->seg;
while ((res >= epssq) && (it < itermax)) { while ((res >= epssq) && (it < itermax)) {
res = 0.0; res = 0.0;
ksw = 1; ksw = 1;
@ -566,16 +565,15 @@ void solveRB(Solver* s)
jsw = ksw; jsw = ksw;
commExchange(&s->comm, p); commExchange(&s->comm, p);
for (int k = 1; k < kmaxLocal + 1; k++) { for (int k = 1; k < kmaxLocal + 1; k++) {
isw = jsw; isw = jsw;
for (int j = 1; j < jmaxLocal + 1; j++) { for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = isw; i < imaxLocal + 1; i += 2) { for (int i = isw; i < imaxLocal + 1; i += 2) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{
double r = double r =
RHS(i, j, k) - RHS(i, j, k) -
((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) * idx2 + ((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) *
idx2 +
(P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) * (P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) *
idy2 + idy2 +
(P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) * (P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) *
@ -659,7 +657,6 @@ void solveRB(Solver* s)
#endif #endif
} }
void solve(Solver* s) void solve(Solver* s)
{ {
int imaxLocal = s->comm.imaxLocal; int imaxLocal = s->comm.imaxLocal;
@ -692,15 +689,13 @@ void solve(Solver* s)
res = 0.0; res = 0.0;
commExchange(&s->comm, p); commExchange(&s->comm, p);
for (int k = 1; k < kmaxLocal + 1; k++) { for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) { for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) { for (int i = 1; i < imaxLocal + 1; i++) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{ double r =
double r = RHS(i, j, k) - RHS(i, j, k) -
((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) * ((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) * idx2 +
idx2 +
(P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) * (P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) *
idy2 + idy2 +
(P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) * (P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) *
@ -780,7 +775,6 @@ void solve(Solver* s)
#endif #endif
} }
void solveRBA(Solver* s) void solveRBA(Solver* s)
{ {
int imaxLocal = s->comm.imaxLocal; int imaxLocal = s->comm.imaxLocal;
@ -800,8 +794,7 @@ void solveRBA(Solver* s)
double idy2 = 1.0 / dy2; double idy2 = 1.0 / dy2;
double idz2 = 1.0 / dz2; double idz2 = 1.0 / dz2;
double factor = 0.5 * (dx2 * dy2 * dz2) / double factor = 0.5 * (dx2 * dy2 * dz2) / (dy2 * dz2 + dx2 * dz2 + dx2 * dy2);
(dy2 * dz2 + dx2 * dz2 + dx2 * dy2);
double* p = s->p; double* p = s->p;
double* rhs = s->rhs; double* rhs = s->rhs;
double epssq = eps * eps; double epssq = eps * eps;
@ -820,16 +813,15 @@ void solveRBA(Solver* s)
jsw = ksw; jsw = ksw;
commExchange(&s->comm, p); commExchange(&s->comm, p);
for (int k = 1; k < kmaxLocal + 1; k++) { for (int k = 1; k < kmaxLocal + 1; k++) {
isw = jsw; isw = jsw;
for (int j = 1; j < jmaxLocal + 1; j++) { for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = isw; i < imaxLocal + 1; i += 2) { for (int i = isw; i < imaxLocal + 1; i += 2) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{
double r = double r =
RHS(i, j, k) - RHS(i, j, k) -
((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) * idx2 + ((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) *
idx2 +
(P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) * (P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) *
idy2 + idy2 +
(P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) * (P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) *
@ -915,7 +907,6 @@ void solveRBA(Solver* s)
#endif #endif
} }
static double maxElement(Solver* s, double* m) static double maxElement(Solver* s, double* m)
{ {
int size = (s->comm.imaxLocal + 2) * (s->comm.jmaxLocal + 2) * int size = (s->comm.imaxLocal + 2) * (s->comm.jmaxLocal + 2) *
@ -1260,8 +1251,7 @@ void computeFG(Solver* s)
for (int k = 1; k < kmaxLocal + 1; k++) { for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) { for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) { for (int i = 1; i < imaxLocal + 1; i++) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{
du2dx = inverseDx * 0.25 * du2dx = inverseDx * 0.25 *
((U(i, j, k) + U(i + 1, j, k)) * ((U(i, j, k) + U(i + 1, j, k)) *
(U(i, j, k) + U(i + 1, j, k)) - (U(i, j, k) + U(i + 1, j, k)) -
@ -1301,8 +1291,9 @@ void computeFG(Solver* s)
(U(i, j + 1, k) - 2.0 * U(i, j, k) + U(i, j - 1, k)); (U(i, j + 1, k) - 2.0 * U(i, j, k) + U(i, j - 1, k));
du2dz2 = inverseDz * inverseDz * du2dz2 = inverseDz * inverseDz *
(U(i, j, k + 1) - 2.0 * U(i, j, k) + U(i, j, k - 1)); (U(i, j, k + 1) - 2.0 * U(i, j, k) + U(i, j, k - 1));
F(i, j, k) = U(i, j, k) + dt * (inverseRe * (du2dx2 + du2dy2 + du2dz2) - F(i, j, k) = U(i, j, k) +
du2dx - duvdy - duwdz + gx); dt * (inverseRe * (du2dx2 + du2dy2 + du2dz2) - du2dx -
duvdy - duwdz + gx);
duvdx = inverseDx * 0.25 * duvdx = inverseDx * 0.25 *
((U(i, j, k) + U(i, j + 1, k)) * ((U(i, j, k) + U(i, j + 1, k)) *
@ -1343,8 +1334,9 @@ void computeFG(Solver* s)
(V(i, j + 1, k) - 2.0 * V(i, j, k) + V(i, j - 1, k)); (V(i, j + 1, k) - 2.0 * V(i, j, k) + V(i, j - 1, k));
dv2dz2 = inverseDz * inverseDz * dv2dz2 = inverseDz * inverseDz *
(V(i, j, k + 1) - 2.0 * V(i, j, k) + V(i, j, k - 1)); (V(i, j, k + 1) - 2.0 * V(i, j, k) + V(i, j, k - 1));
G(i, j, k) = V(i, j, k) + dt * (inverseRe * (dv2dx2 + dv2dy2 + dv2dz2) - G(i, j, k) = V(i, j, k) +
duvdx - dv2dy - dvwdz + gy); dt * (inverseRe * (dv2dx2 + dv2dy2 + dv2dz2) - duvdx -
dv2dy - dvwdz + gy);
duwdx = inverseDx * 0.25 * duwdx = inverseDx * 0.25 *
((U(i, j, k) + U(i, j, k + 1)) * ((U(i, j, k) + U(i, j, k + 1)) *
@ -1385,10 +1377,10 @@ void computeFG(Solver* s)
(W(i, j + 1, k) - 2.0 * W(i, j, k) + W(i, j - 1, k)); (W(i, j + 1, k) - 2.0 * W(i, j, k) + W(i, j - 1, k));
dw2dz2 = inverseDz * inverseDz * dw2dz2 = inverseDz * inverseDz *
(W(i, j, k + 1) - 2.0 * W(i, j, k) + W(i, j, k - 1)); (W(i, j, k + 1) - 2.0 * W(i, j, k) + W(i, j, k - 1));
H(i, j, k) = W(i, j, k) + dt * (inverseRe * (dw2dx2 + dw2dy2 + dw2dz2) - H(i, j, k) = W(i, j, k) +
duwdx - dvwdy - dw2dz + gz); dt * (inverseRe * (dw2dx2 + dw2dy2 + dw2dz2) - duwdx -
} dvwdy - dw2dz + gz);
else{ } else {
switch (S(i, j, k)) { switch (S(i, j, k)) {
case TOPFACE: case TOPFACE:
G(i, j, k) = V(i, j, k); G(i, j, k) = V(i, j, k);
@ -1602,7 +1594,8 @@ void setObjectBoundaryCondition(Solver* s)
case TOPFACE: case TOPFACE:
U(i, j, k) = -U(i, j + 1, k); U(i, j, k) = -U(i, j + 1, k);
V(i, j, k) = 0.0; V(i, j, k) = 0.0;
W(i, j, k) = -W(i, j+1, k);; W(i, j, k) = -W(i, j + 1, k);
;
break; break;
case BOTTOMFACE: case BOTTOMFACE:
U(i, j, k) = -U(i, j - 1, k); U(i, j, k) = -U(i, j - 1, k);

3
BasicSolver/3D-mpi/src/solver.h
View File

@ -59,7 +59,8 @@ typedef struct {
double *f, *g, *h; double *f, *g, *h;
double *u, *v, *w; double *u, *v, *w;
int* seg; int* seg;
double xLocal, yLocal, zLocal, xOffset, yOffset, zOffset, xOffsetEnd, yOffsetEnd, zOffsetEnd; double xLocal, yLocal, zLocal, xOffset, yOffset, zOffset, xOffsetEnd, yOffsetEnd,
zOffsetEnd;
/* parameters */ /* parameters */
double eps, omega, rho; double eps, omega, rho;
double re, tau, gamma; double re, tau, gamma;

187
BasicSolver/3D-seq/src/particletracing.c
View File

@ -21,9 +21,9 @@ static int ts = 0;
unsigned int seed = 32767; unsigned int seed = 32767;
void printParticles(ParticleTracer* particletracer) void printParticles(ParticleTracer* particletracer)
{ {
for(int i = 0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{ printf("Particle position X : %.2f, Y : %.2f, flag : %d\n",
printf("Particle position X : %.2f, Y : %.2f, flag : %d\n", particletracer->particlePool[i].x, particletracer->particlePool[i].x,
particletracer->particlePool[i].y, particletracer->particlePool[i].y,
particletracer->particlePool[i].flag); particletracer->particlePool[i].flag);
} }
@ -34,23 +34,31 @@ void injectParticles(ParticleTracer* particletracer, int* seg)
int imax = particletracer->imax; int imax = particletracer->imax;
int jmax = particletracer->jmax; int jmax = particletracer->jmax;
int kmax = particletracer->kmax; int kmax = particletracer->kmax;
for(int i = 0; i < particletracer->numberOfParticles; ++i) for (int i = 0; i < particletracer->numberOfParticles; ++i) {
{
// particletracer->particlePool[particletracer->pointer].x = particletracer->linSpaceLine[i].x; // particletracer->particlePool[particletracer->pointer].x =
// particletracer->particlePool[particletracer->pointer].y = particletracer->linSpaceLine[i].y; // particletracer->linSpaceLine[i].x;
// particletracer->particlePool[particletracer->pointer].z = particletracer->linSpaceLine[i].z; // particletracer->particlePool[particletracer->pointer].y =
// particletracer->linSpaceLine[i].y;
// particletracer->particlePool[particletracer->pointer].z =
// particletracer->linSpaceLine[i].z;
particletracer->particlePool[particletracer->pointer].x = particletracer->x1; particletracer->particlePool[particletracer->pointer].x = particletracer->x1;
particletracer->particlePool[particletracer->pointer].y = (double) rand() / RAND_MAX * particletracer->ylength; particletracer->particlePool[particletracer->pointer].y = (double)rand() /
particletracer->particlePool[particletracer->pointer].z = (double) rand() / RAND_MAX * particletracer->zlength; RAND_MAX *
particletracer->ylength;
particletracer->particlePool[particletracer->pointer].z = (double)rand() /
RAND_MAX *
particletracer->zlength;
int i = particletracer->particlePool[particletracer->pointer].x / particletracer->dx; int i = particletracer->particlePool[particletracer->pointer].x /
int j = particletracer->particlePool[particletracer->pointer].y / particletracer->dy; particletracer->dx;
int k = particletracer->particlePool[particletracer->pointer].z / particletracer->dz; int j = particletracer->particlePool[particletracer->pointer].y /
particletracer->dy;
int k = particletracer->particlePool[particletracer->pointer].z /
particletracer->dz;
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{
particletracer->particlePool[particletracer->pointer].flag = true; particletracer->particlePool[particletracer->pointer].flag = true;
++(particletracer->pointer); ++(particletracer->pointer);
++(particletracer->totalParticles); ++(particletracer->totalParticles);
@ -58,28 +66,27 @@ void injectParticles(ParticleTracer* particletracer, int* seg)
} }
} }
void advanceParticles(ParticleTracer* particletracer, double* restrict u, double* restrict v, double* restrict w, int* restrict seg, double time) void advanceParticles(ParticleTracer* particletracer,
double* restrict u,
double* restrict v,
double* restrict w,
int* restrict seg,
double time)
{ {
int imax = particletracer->imax; int imax = particletracer->imax;
int jmax = particletracer->jmax; int jmax = particletracer->jmax;
int kmax = particletracer->kmax; int kmax = particletracer->kmax;
double dx = particletracer->dx; double dx = particletracer->dx;
double dy = particletracer->dy; double dy = particletracer->dy;
double dz = particletracer->dz; double dz = particletracer->dz;
double xlength = particletracer->xlength; double xlength = particletracer->xlength;
double ylength = particletracer->ylength; double ylength = particletracer->ylength;
double zlength = particletracer->zlength; double zlength = particletracer->zlength;
for (int i = 0; i < particletracer->totalParticles; ++i) {
for(int i = 0; i < particletracer->totalParticles; ++i) if (particletracer->particlePool[i].flag == true) {
{
if(particletracer->particlePool[i].flag == true)
{
double x = particletracer->particlePool[i].x; double x = particletracer->particlePool[i].x;
double y = particletracer->particlePool[i].y; double y = particletracer->particlePool[i].y;
double z = particletracer->particlePool[i].z; double z = particletracer->particlePool[i].z;
@ -88,7 +95,6 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
int jCoord = (int)((y + 0.5 * dy) / dy) + 1; int jCoord = (int)((y + 0.5 * dy) / dy) + 1;
int kCoord = (int)((z + 0.5 * dz) / dz) + 1; int kCoord = (int)((z + 0.5 * dz) / dz) + 1;
double x1 = (double)(iCoord - 1) * dx; double x1 = (double)(iCoord - 1) * dx;
double y1 = ((double)(jCoord - 1) - 0.5) * dy; double y1 = ((double)(jCoord - 1) - 0.5) * dy;
double z1 = ((double)(kCoord - 1) - 0.5) * dz; double z1 = ((double)(kCoord - 1) - 0.5) * dz;
@ -97,18 +103,16 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
double y2 = ((double)jCoord - 0.5) * dy; double y2 = ((double)jCoord - 0.5) * dy;
double z2 = ((double)kCoord - 0.5) * dz; double z2 = ((double)kCoord - 0.5) * dz;
double u_n =
double u_n = (1.0 / (dx * dy * dz)) * (1.0 / (dx * dy * dz)) *
( ((x2 - x) * (y2 - y) * (z2 - z) * U(iCoord - 1, jCoord - 1, kCoord - 1) +
(x2 - x) * (y2 - y) * (z2 - z) * U(iCoord - 1, jCoord - 1, kCoord - 1) +
(x - x1) * (y2 - y) * (z2 - z) * U(iCoord, jCoord - 1, kCoord - 1) + (x - x1) * (y2 - y) * (z2 - z) * U(iCoord, jCoord - 1, kCoord - 1) +
(x2 - x) * (y - y1) * (z2 - z) * U(iCoord - 1, jCoord, kCoord - 1) + (x2 - x) * (y - y1) * (z2 - z) * U(iCoord - 1, jCoord, kCoord - 1) +
(x - x1) * (y - y1) * (z2 - z) * U(iCoord, jCoord, kCoord - 1) + (x - x1) * (y - y1) * (z2 - z) * U(iCoord, jCoord, kCoord - 1) +
(x2 - x) * (y2 - y) * (z - z1) * U(iCoord - 1, jCoord - 1, kCoord) + (x2 - x) * (y2 - y) * (z - z1) * U(iCoord - 1, jCoord - 1, kCoord) +
(x - x1) * (y2 - y) * (z - z1) * U(iCoord, jCoord - 1, kCoord) + (x - x1) * (y2 - y) * (z - z1) * U(iCoord, jCoord - 1, kCoord) +
(x2 - x) * (y - y1) * (z - z1) * U(iCoord - 1, jCoord, kCoord) + (x2 - x) * (y - y1) * (z - z1) * U(iCoord - 1, jCoord, kCoord) +
(x - x1) * (y - y1) * (z - z1) * U(iCoord, jCoord, kCoord) (x - x1) * (y - y1) * (z - z1) * U(iCoord, jCoord, kCoord));
);
double new_x = x + particletracer->dt * u_n; double new_x = x + particletracer->dt * u_n;
particletracer->particlePool[i].x = new_x; particletracer->particlePool[i].x = new_x;
@ -125,17 +129,16 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
y2 = (double)jCoord * dy; y2 = (double)jCoord * dy;
z2 = ((double)kCoord - 0.5) * dz; z2 = ((double)kCoord - 0.5) * dz;
double v_n = (1.0 / (dx * dy * dz)) * double v_n =
( (1.0 / (dx * dy * dz)) *
(x2 - x) * (y2 - y) * (z2 - z) * V(iCoord - 1, jCoord - 1, kCoord - 1) + ((x2 - x) * (y2 - y) * (z2 - z) * V(iCoord - 1, jCoord - 1, kCoord - 1) +
(x - x1) * (y2 - y) * (z2 - z) * V(iCoord, jCoord - 1, kCoord - 1) + (x - x1) * (y2 - y) * (z2 - z) * V(iCoord, jCoord - 1, kCoord - 1) +
(x2 - x) * (y - y1) * (z2 - z) * V(iCoord - 1, jCoord, kCoord - 1) + (x2 - x) * (y - y1) * (z2 - z) * V(iCoord - 1, jCoord, kCoord - 1) +
(x - x1) * (y - y1) * (z2 - z) * V(iCoord, jCoord, kCoord - 1) + (x - x1) * (y - y1) * (z2 - z) * V(iCoord, jCoord, kCoord - 1) +
(x2 - x) * (y2 - y) * (z - z1) * V(iCoord - 1, jCoord - 1, kCoord) + (x2 - x) * (y2 - y) * (z - z1) * V(iCoord - 1, jCoord - 1, kCoord) +
(x - x1) * (y2 - y) * (z - z1) * V(iCoord, jCoord - 1, kCoord) + (x - x1) * (y2 - y) * (z - z1) * V(iCoord, jCoord - 1, kCoord) +
(x2 - x) * (y - y1) * (z - z1) * V(iCoord - 1, jCoord, kCoord) + (x2 - x) * (y - y1) * (z - z1) * V(iCoord - 1, jCoord, kCoord) +
(x - x1) * (y - y1) * (z - z1) * V(iCoord, jCoord, kCoord) (x - x1) * (y - y1) * (z - z1) * V(iCoord, jCoord, kCoord));
);
double new_y = y + particletracer->dt * v_n; double new_y = y + particletracer->dt * v_n;
particletracer->particlePool[i].y = new_y; particletracer->particlePool[i].y = new_y;
@ -152,36 +155,40 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
y2 = ((double)jCoord - 0.5) * dy; y2 = ((double)jCoord - 0.5) * dy;
z2 = (double)kCoord * dz; z2 = (double)kCoord * dz;
double w_n = (1.0 / (dx * dy * dz)) * double w_n =
( (1.0 / (dx * dy * dz)) *
(x2 - x) * (y2 - y) * (z2 - z) * W(iCoord - 1, jCoord - 1, kCoord - 1) + ((x2 - x) * (y2 - y) * (z2 - z) * W(iCoord - 1, jCoord - 1, kCoord - 1) +
(x - x1) * (y2 - y) * (z2 - z) * W(iCoord, jCoord - 1, kCoord - 1) + (x - x1) * (y2 - y) * (z2 - z) * W(iCoord, jCoord - 1, kCoord - 1) +
(x2 - x) * (y - y1) * (z2 - z) * W(iCoord - 1, jCoord, kCoord - 1) + (x2 - x) * (y - y1) * (z2 - z) * W(iCoord - 1, jCoord, kCoord - 1) +
(x - x1) * (y - y1) * (z2 - z) * W(iCoord, jCoord, kCoord - 1) + (x - x1) * (y - y1) * (z2 - z) * W(iCoord, jCoord, kCoord - 1) +
(x2 - x) * (y2 - y) * (z - z1) * W(iCoord - 1, jCoord - 1, kCoord) + (x2 - x) * (y2 - y) * (z - z1) * W(iCoord - 1, jCoord - 1, kCoord) +
(x - x1) * (y2 - y) * (z - z1) * W(iCoord, jCoord - 1, kCoord) + (x - x1) * (y2 - y) * (z - z1) * W(iCoord, jCoord - 1, kCoord) +
(x2 - x) * (y - y1) * (z - z1) * W(iCoord - 1, jCoord, kCoord) + (x2 - x) * (y - y1) * (z - z1) * W(iCoord - 1, jCoord, kCoord) +
(x - x1) * (y - y1) * (z - z1) * W(iCoord, jCoord, kCoord) (x - x1) * (y - y1) * (z - z1) * W(iCoord, jCoord, kCoord));
);
double new_z = z + particletracer->dt * w_n; double new_z = z + particletracer->dt * w_n;
particletracer->particlePool[i].z = new_z; particletracer->particlePool[i].z = new_z;
// printf("\tOld X : %.2f, New X : %.2f, iCoord : %d\n\tOld Y : %.2f, New Y : %.2f, jCoord : %d\n\n", x, new_x, iCoord, y, new_y, jCoord); // printf("\tOld X : %.2f, New X : %.2f, iCoord : %d\n\tOld Y : %.2f, New Y :
// printf("\tU(iCoord - 1, jCoord - 1) : %.2f, U(iCoord, jCoord - 1) : %.2f, U(iCoord - 1, jCoord) : %.2f, U(iCoord, jCoord) : %.2f\n", U(iCoord - 1, jCoord - 1), U(iCoord, jCoord - 1), U(iCoord - 1, jCoord), U(iCoord, jCoord)); // %.2f, jCoord : %d\n\n", x, new_x, iCoord, y, new_y, jCoord);
// printf("\tV(iCoord - 1, jCoord - 1) : %.2f, V(iCoord, jCoord - 1) : %.2f, V(iCoord - 1, jCoord) : %.2f, V(iCoord, jCoord) : %.2f\n\n", V(iCoord - 1, jCoord - 1), V(iCoord, jCoord - 1), V(iCoord - 1, jCoord), V(iCoord, jCoord)); // printf("\tU(iCoord - 1, jCoord - 1) : %.2f, U(iCoord, jCoord - 1) : %.2f,
// printf("\t U N : %.2f, V N : %.2f\n\n", u_n, v_n); // U(iCoord - 1, jCoord) : %.2f, U(iCoord, jCoord) : %.2f\n", U(iCoord - 1,
// printf("\t j-1 * (imax + 2) + i-1 = %d with element from U : %.2f", (jCoord - 1) * (200 + 2) + (iCoord - 1), u[(jCoord - 1) * (imax + 2) + (iCoord - 1)]); // jCoord - 1), U(iCoord, jCoord - 1), U(iCoord - 1, jCoord), U(iCoord,
// printf("\nimax : %d, jmax : %d\n", imax, jmax); // jCoord)); printf("\tV(iCoord - 1, jCoord - 1) : %.2f, V(iCoord, jCoord - 1)
// : %.2f, V(iCoord - 1, jCoord) : %.2f, V(iCoord, jCoord) : %.2f\n\n",
// V(iCoord - 1, jCoord - 1), V(iCoord, jCoord - 1), V(iCoord - 1, jCoord),
// V(iCoord, jCoord)); printf("\t U N : %.2f, V N : %.2f\n\n", u_n, v_n);
// printf("\t j-1 * (imax + 2) + i-1 = %d with element from U : %.2f", (jCoord
// - 1) * (200 + 2) + (iCoord - 1), u[(jCoord - 1) * (imax + 2) + (iCoord -
// 1)]); printf("\nimax : %d, jmax : %d\n", imax, jmax);
if (((new_x < 0.0) || (new_x > xlength) || (new_y < 0.0) || (new_y > ylength) || (new_z < 0.0) || (new_z > zlength))) if (((new_x < 0.0) || (new_x > xlength) || (new_y < 0.0) ||
{ (new_y > ylength) || (new_z < 0.0) || (new_z > zlength))) {
particletracer->particlePool[i].flag = false; particletracer->particlePool[i].flag = false;
} }
int i_new = new_x / dx, j_new = new_y / dy, k_new = new_z / dz; int i_new = new_x / dx, j_new = new_y / dy, k_new = new_z / dz;
if(S(i_new, j_new, k_new) != NONE) if (S(i_new, j_new, k_new) != NONE) {
{
particletracer->particlePool[i].flag = false; particletracer->particlePool[i].flag = false;
} }
} }
@ -218,12 +225,10 @@ void initParticleTracer(ParticleTracer* particletracer, Parameter* params)
particletracer->dy = params->ylength / params->jmax; particletracer->dy = params->ylength / params->jmax;
particletracer->dz = params->zlength / params->kmax; particletracer->dz = params->zlength / params->kmax;
particletracer->xlength = params->xlength; particletracer->xlength = params->xlength;
particletracer->ylength = params->ylength; particletracer->ylength = params->ylength;
particletracer->zlength = params->zlength; particletracer->zlength = params->zlength;
particletracer->x1 = params->x1; particletracer->x1 = params->x1;
particletracer->y1 = params->y1; particletracer->y1 = params->y1;
particletracer->z1 = params->z1; particletracer->z1 = params->z1;
@ -242,52 +247,74 @@ void initParticleTracer(ParticleTracer* particletracer, Parameter* params)
particletracer->jmax = params->jmax; particletracer->jmax = params->jmax;
particletracer->kmax = params->kmax; particletracer->kmax = params->kmax;
particletracer->estimatedNumParticles = ((params->te - params->startTime) + 2 ) * params->numberOfParticles; particletracer->estimatedNumParticles = ((params->te - params->startTime) + 2) *
params->numberOfParticles;
particletracer->particlePool = malloc(sizeof(Particle) * particletracer->estimatedNumParticles); particletracer->particlePool = malloc(
particletracer->linSpaceLine = malloc(sizeof(Particle) * particletracer->numberOfParticles); sizeof(Particle) * particletracer->estimatedNumParticles);
particletracer->linSpaceLine = malloc(
sizeof(Particle) * particletracer->numberOfParticles);
for (int i = 0; i < particletracer->numberOfParticles; ++i) for (int i = 0; i < particletracer->numberOfParticles; ++i) {
{ // double spacing = (double)i /
// double spacing = (double)i / (double)(particletracer->numberOfParticles - 1); // (double)(particletracer->numberOfParticles - 1);
// particletracer->linSpaceLine[i].x = spacing * particletracer->x1 + (1.0 - spacing) * particletracer->x2; // particletracer->linSpaceLine[i].x = spacing * particletracer->x1 + (1.0 -
// particletracer->linSpaceLine[i].y = spacing * particletracer->y1 + (1.0 - spacing) * particletracer->y2; // spacing) * particletracer->x2; particletracer->linSpaceLine[i].y = spacing *
// particletracer->linSpaceLine[i].z = spacing * particletracer->z1 + (1.0 - spacing) * particletracer->z2; // particletracer->y1 + (1.0 - spacing) * particletracer->y2;
// particletracer->linSpaceLine[i].z = spacing * particletracer->z1 + (1.0 -
// spacing) * particletracer->z2;
particletracer->linSpaceLine[i].x = particletracer->x1; particletracer->linSpaceLine[i].x = particletracer->x1;
particletracer->linSpaceLine[i].y = (double) rand() / RAND_MAX * particletracer->ylength; particletracer->linSpaceLine[i].y = (double)rand() / RAND_MAX *
particletracer->linSpaceLine[i].z = (double) rand() / RAND_MAX * particletracer->zlength; particletracer->ylength;
particletracer->linSpaceLine[i].z = (double)rand() / RAND_MAX *
particletracer->zlength;
particletracer->linSpaceLine[i].flag = true; particletracer->linSpaceLine[i].flag = true;
} }
} }
void printParticleTracerParameters(ParticleTracer* particletracer) void printParticleTracerParameters(ParticleTracer* particletracer)
{ {
printf("Particle Tracing data:\n"); printf("Particle Tracing data:\n");
printf("\tNumber of particles : %d being injected for every period of %.2f\n", particletracer->numberOfParticles, particletracer->injectTimePeriod); printf("\tNumber of particles : %d being injected for every period of %.2f\n",
particletracer->numberOfParticles,
particletracer->injectTimePeriod);
printf("\tstartTime : %.2f\n", particletracer->startTime); printf("\tstartTime : %.2f\n", particletracer->startTime);
printf("\t(Line along which the particles are to be injected) \n\tx1 : %.2f, y1 : %.2f, z1 : %.2f, x2 : %.2f, y2 : %.2f, z2 : %.2f\n", particletracer->x1, particletracer->y1, particletracer->z1, particletracer->x2, particletracer->y2, particletracer->z2); printf("\t(Line along which the particles are to be injected) \n\tx1 : %.2f, y1 : "
printf("\tPointer : %d, TotalParticles : %d\n", particletracer->pointer, particletracer->totalParticles); "%.2f, z1 : %.2f, x2 : %.2f, y2 : %.2f, z2 : %.2f\n",
printf("\tdt : %.2f, dx : %.2f, dy : %.2f, dz : %.2f\n", particletracer->dt, particletracer->dx, particletracer->dy, particletracer->dz); particletracer->x1,
particletracer->y1,
particletracer->z1,
particletracer->x2,
particletracer->y2,
particletracer->z2);
printf("\tPointer : %d, TotalParticles : %d\n",
particletracer->pointer,
particletracer->totalParticles);
printf("\tdt : %.2f, dx : %.2f, dy : %.2f, dz : %.2f\n",
particletracer->dt,
particletracer->dx,
particletracer->dy,
particletracer->dz);
} }
void trace(ParticleTracer* particletracer, double* u, double* v, double* w, int* seg, double time) void trace(ParticleTracer* particletracer,
{ double* u,
if (time >= particletracer->startTime) double* v,
double* w,
int* seg,
double time)
{ {
if (time >= particletracer->startTime) {
// printParticles(particletracer); // printParticles(particletracer);
if( (time - particletracer->lastInjectTime) >= particletracer->injectTimePeriod) if ((time - particletracer->lastInjectTime) >= particletracer->injectTimePeriod) {
{
injectParticles(particletracer, seg); injectParticles(particletracer, seg);
particletracer->lastInjectTime = time; particletracer->lastInjectTime = time;
} }
if( (time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod) if ((time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod) {
{
writeParticles(particletracer); writeParticles(particletracer);
particletracer->lastWriteTime = time; particletracer->lastWriteTime = time;
} }
advanceParticles(particletracer, u, v, w, seg, time); advanceParticles(particletracer, u, v, w, seg, time);
compress(particletracer); compress(particletracer);
@ -301,10 +328,8 @@ void compress(ParticleTracer* particletracer)
Particle tempPool[particletracer->totalParticles]; Particle tempPool[particletracer->totalParticles];
int totalParticles = 0; int totalParticles = 0;
for(int i=0; i < particletracer->totalParticles; ++i) for (int i = 0; i < particletracer->totalParticles; ++i) {
{ if (memPool[i].flag == 1) {
if(memPool[i].flag == 1)
{
tempPool[totalParticles].x = memPool[i].x; tempPool[totalParticles].x = memPool[i].x;
tempPool[totalParticles].y = memPool[i].y; tempPool[totalParticles].y = memPool[i].y;
tempPool[totalParticles].z = memPool[i].z; tempPool[totalParticles].z = memPool[i].z;

51
BasicSolver/3D-seq/src/solver.c
View File

@ -443,8 +443,7 @@ void computeRHS(Solver* s)
for (int k = 1; k < kmax + 1; k++) { for (int k = 1; k < kmax + 1; k++) {
for (int j = 1; j < jmax + 1; j++) { for (int j = 1; j < jmax + 1; j++) {
for (int i = 1; i < imax + 1; i++) { for (int i = 1; i < imax + 1; i++) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{
RHS(i, j, k) = ((F(i, j, k) - F(i - 1, j, k)) * idx + RHS(i, j, k) = ((F(i, j, k) - F(i - 1, j, k)) * idx +
(G(i, j, k) - G(i, j - 1, k)) * idy + (G(i, j, k) - G(i, j - 1, k)) * idy +
(H(i, j, k) - H(i, j, k - 1)) * idz) * (H(i, j, k) - H(i, j, k - 1)) * idz) *
@ -483,11 +482,10 @@ void solve(Solver* s)
for (int k = 1; k < kmax + 1; k++) { for (int k = 1; k < kmax + 1; k++) {
for (int j = 1; j < jmax + 1; j++) { for (int j = 1; j < jmax + 1; j++) {
for (int i = 1; i < imax + 1; i++) { for (int i = 1; i < imax + 1; i++) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{ double r =
double r = RHS(i, j, k) - RHS(i, j, k) -
((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) * ((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) * idx2 +
idx2 +
(P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) * (P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) *
idy2 + idy2 +
(P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) * (P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) *
@ -591,11 +589,11 @@ void solveRB(Solver* s)
isw = jsw; isw = jsw;
for (int j = 1; j < jmax + 1; j++) { for (int j = 1; j < jmax + 1; j++) {
for (int i = isw; i < imax + 1; i += 2) { for (int i = isw; i < imax + 1; i += 2) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{
double r = double r =
RHS(i, j, k) - RHS(i, j, k) -
((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) * idx2 + ((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) *
idx2 +
(P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) * (P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) *
idy2 + idy2 +
(P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) * (P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) *
@ -612,7 +610,6 @@ void solveRB(Solver* s)
ksw = 3 - ksw; ksw = 3 - ksw;
} }
res = res / (double)(imax * jmax * kmax); res = res / (double)(imax * jmax * kmax);
#ifdef DEBUG #ifdef DEBUG
printf("%d Residuum: %e\n", it, res); printf("%d Residuum: %e\n", it, res);
@ -649,7 +646,6 @@ void solveRBA(Solver* s)
int pass, ksw, jsw, isw; int pass, ksw, jsw, isw;
int* seg = s->seg; int* seg = s->seg;
while ((res >= epssq) && (it < itermax)) { while ((res >= epssq) && (it < itermax)) {
res = 0.0; res = 0.0;
ksw = 1; ksw = 1;
@ -661,11 +657,11 @@ void solveRBA(Solver* s)
isw = jsw; isw = jsw;
for (int j = 1; j < jmax + 1; j++) { for (int j = 1; j < jmax + 1; j++) {
for (int i = isw; i < imax + 1; i += 2) { for (int i = isw; i < imax + 1; i += 2) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{
double r = double r =
RHS(i, j, k) - RHS(i, j, k) -
((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) * idx2 + ((P(i + 1, j, k) - 2.0 * P(i, j, k) + P(i - 1, j, k)) *
idx2 +
(P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) * (P(i, j + 1, k) - 2.0 * P(i, j, k) + P(i, j - 1, k)) *
idy2 + idy2 +
(P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) * (P(i, j, k + 1) - 2.0 * P(i, j, k) + P(i, j, k - 1)) *
@ -1028,7 +1024,6 @@ void computeFG(Solver* s)
double* h = s->h; double* h = s->h;
int* seg = s->seg; int* seg = s->seg;
double gx = s->gx; double gx = s->gx;
double gy = s->gy; double gy = s->gy;
double gz = s->gz; double gz = s->gz;
@ -1049,8 +1044,7 @@ void computeFG(Solver* s)
for (int j = 1; j < jmax + 1; j++) { for (int j = 1; j < jmax + 1; j++) {
for (int i = 1; i < imax + 1; i++) { for (int i = 1; i < imax + 1; i++) {
if(S(i,j,k) == NONE) if (S(i, j, k) == NONE) {
{
du2dx = inverseDx * 0.25 * du2dx = inverseDx * 0.25 *
((U(i, j, k) + U(i + 1, j, k)) * ((U(i, j, k) + U(i + 1, j, k)) *
(U(i, j, k) + U(i + 1, j, k)) - (U(i, j, k) + U(i + 1, j, k)) -
@ -1090,8 +1084,9 @@ void computeFG(Solver* s)
(U(i, j + 1, k) - 2.0 * U(i, j, k) + U(i, j - 1, k)); (U(i, j + 1, k) - 2.0 * U(i, j, k) + U(i, j - 1, k));
du2dz2 = inverseDz * inverseDz * du2dz2 = inverseDz * inverseDz *
(U(i, j, k + 1) - 2.0 * U(i, j, k) + U(i, j, k - 1)); (U(i, j, k + 1) - 2.0 * U(i, j, k) + U(i, j, k - 1));
F(i, j, k) = U(i, j, k) + dt * (inverseRe * (du2dx2 + du2dy2 + du2dz2) - F(i, j, k) = U(i, j, k) +
du2dx - duvdy - duwdz + gx); dt * (inverseRe * (du2dx2 + du2dy2 + du2dz2) - du2dx -
duvdy - duwdz + gx);
duvdx = inverseDx * 0.25 * duvdx = inverseDx * 0.25 *
((U(i, j, k) + U(i, j + 1, k)) * ((U(i, j, k) + U(i, j + 1, k)) *
@ -1132,8 +1127,9 @@ void computeFG(Solver* s)
(V(i, j + 1, k) - 2.0 * V(i, j, k) + V(i, j - 1, k)); (V(i, j + 1, k) - 2.0 * V(i, j, k) + V(i, j - 1, k));
dv2dz2 = inverseDz * inverseDz * dv2dz2 = inverseDz * inverseDz *
(V(i, j, k + 1) - 2.0 * V(i, j, k) + V(i, j, k - 1)); (V(i, j, k + 1) - 2.0 * V(i, j, k) + V(i, j, k - 1));
G(i, j, k) = V(i, j, k) + dt * (inverseRe * (dv2dx2 + dv2dy2 + dv2dz2) - G(i, j, k) = V(i, j, k) +
duvdx - dv2dy - dvwdz + gy); dt * (inverseRe * (dv2dx2 + dv2dy2 + dv2dz2) - duvdx -
dv2dy - dvwdz + gy);
duwdx = inverseDx * 0.25 * duwdx = inverseDx * 0.25 *
((U(i, j, k) + U(i, j, k + 1)) * ((U(i, j, k) + U(i, j, k + 1)) *
@ -1174,10 +1170,10 @@ void computeFG(Solver* s)
(W(i, j + 1, k) - 2.0 * W(i, j, k) + W(i, j - 1, k)); (W(i, j + 1, k) - 2.0 * W(i, j, k) + W(i, j - 1, k));
dw2dz2 = inverseDz * inverseDz * dw2dz2 = inverseDz * inverseDz *
(W(i, j, k + 1) - 2.0 * W(i, j, k) + W(i, j, k - 1)); (W(i, j, k + 1) - 2.0 * W(i, j, k) + W(i, j, k - 1));
H(i, j, k) = W(i, j, k) + dt * (inverseRe * (dw2dx2 + dw2dy2 + dw2dz2) - H(i, j, k) = W(i, j, k) +
duwdx - dvwdy - dw2dz + gz); dt * (inverseRe * (dw2dx2 + dw2dy2 + dw2dz2) - duwdx -
} dvwdy - dw2dz + gz);
else{ } else {
switch (S(i, j, k)) { switch (S(i, j, k)) {
case TOPFACE: case TOPFACE:
G(i, j, k) = V(i, j, k); G(i, j, k) = V(i, j, k);
@ -1364,7 +1360,8 @@ void setObjectBoundaryCondition(Solver* s)
case TOPFACE: case TOPFACE:
U(i, j, k) = -U(i, j + 1, k); U(i, j, k) = -U(i, j + 1, k);
V(i, j, k) = 0.0; V(i, j, k) = 0.0;
W(i, j, k) = -W(i, j+1, k);; W(i, j, k) = -W(i, j + 1, k);
;
break; break;
case BOTTOMFACE: case BOTTOMFACE:
U(i, j, k) = -U(i, j - 1, k); U(i, j, k) = -U(i, j - 1, k);

17
BasicSolver/3D-seq/src/vtkWriter.c
View File

@ -174,28 +174,25 @@ void vtkParticle(VtkOptions* o, char* name)
fprintf(o->fh, "POINTS %d float\n", o->particletracer->totalParticles); fprintf(o->fh, "POINTS %d float\n", o->particletracer->totalParticles);
for (int i = 0; i < o->particletracer->totalParticles; ++i) {
for (int i = 0; i < o->particletracer->totalParticles; ++i)
{
double x = particlePool[i].x; double x = particlePool[i].x;
double y = particlePool[i].y; double y = particlePool[i].y;
double z = particlePool[i].z; double z = particlePool[i].z;
fprintf(o->fh, "%.2f %.2f %.2f\n", x, y, z); fprintf(o->fh, "%.2f %.2f %.2f\n", x, y, z);
} }
fprintf(o->fh, "CELLS %d %d\n", o->particletracer->totalParticles, 2 * o->particletracer->totalParticles); fprintf(o->fh,
"CELLS %d %d\n",
o->particletracer->totalParticles,
2 * o->particletracer->totalParticles);
for (int i = 0; i < o->particletracer->totalParticles; ++i) {
for (int i = 0; i < o->particletracer->totalParticles; ++i)
{
fprintf(o->fh, "1 %d\n", i); fprintf(o->fh, "1 %d\n", i);
} }
fprintf(o->fh, "CELL_TYPES %d\n", o->particletracer->totalParticles); fprintf(o->fh, "CELL_TYPES %d\n", o->particletracer->totalParticles);
for (int i = 0; i < o->particletracer->totalParticles; ++i) {
for (int i = 0; i < o->particletracer->totalParticles; ++i)
{
fprintf(o->fh, "1\n"); fprintf(o->fh, "1\n");
} }
} }