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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
Conversation 0 Commits 51 Files Changed 331 +22097 -280116
22 changed files with 22097 additions and 280116 deletions
Showing only changes of commit 120be69102 - Show all commits

6
BasicSolver/3D-mpi/Makefile

@ -39,11 +39,15 @@ $(BUILD_DIR)/%.s: %.c
.PHONY: clean distclean tags info asm format .PHONY: clean distclean tags info asm format
clean: clean: vis
$(info ===> CLEAN) $(info ===> CLEAN)
@rm -rf $(BUILD_DIR) @rm -rf $(BUILD_DIR)
@rm -f tags @rm -f tags
vis:
$(info ===> REMOVING VIZUALISATION FILES)
@rm -f vtk_files/particle*.vtk
distclean: clean distclean: clean
$(info ===> DIST CLEAN) $(info ===> DIST CLEAN)
@rm -f $(TARGET) @rm -f $(TARGET)

21011
BasicSolver/3D-mpi/backstep-p4.vtk Normal file

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82
BasicSolver/3D-mpi/backstep.par Normal file

@ -0,0 +1,82 @@
#==============================================================================
# Laminar Canal Flow
#==============================================================================
# Problem specific Data:
# ---------------------
name backstep # name of flow setup
bcLeft 3 # flags for boundary conditions
bcRight 3 # 1 = no-slip 3 = outflow
bcBottom 1 # 2 = free-slip 4 = periodic
bcTop 1 #
bcFront 1 #
bcBack 1 #
gx 0.0 # Body forces (e.g. gravity)
gy 0.0 #
gz 0.0 #
re 5000.0 # Reynolds number
u_init 1.0 # initial value for velocity in x-direction
v_init 0.0 # initial value for velocity in y-direction
w_init 0.0 # initial value for velocity in z-direction
p_init 1.0 # initial value for pressure
# Geometry Data:
# -------------
xlength 7.0 # domain size in x-direction
ylength 1.5 # domain size in y-direction
zlength 1.0 # domain size in z-direction
imax 70 # number of interior cells in x-direction
jmax 15 # number of interior cells in y-direction
kmax 10 # number of interior cells in z-direction
# Time Data:
# ---------
te 60.0 # final time
dt 0.02 # time stepsize
tau 0.5 # safety factor for time stepsize control (<0 constant delt)
# Pressure Iteration Data:
# -----------------------
itermax 500 # maximal number of pressure iteration in one time step
eps 0.0001 # stopping tolerance for pressure iteration
omg 0.52
omg 1.7 # relaxation parameter for SOR iteration
gamma 0.9 # upwind differencing factor gamma
# Particle Tracing Data:
# -----------------------
numberOfParticles 200
startTime 0
injectTimePeriod 1.0
writeTimePeriod 0.2
x1 0.0
y1 0.0
z1 1.0
x2 0.0
y2 4.0
z2 1.0
# Obstacle Geometry Data:
# -----------------------
# Shape 0 disable, 1 Rectangle/Square, 2 Circle
shape 1
xCenter 0.0
yCenter 0.0
zCenter 0.0
xRectLength 2.0
yRectLength 1.0
zRectLength 2.0
circleRadius 1.0
#===============================================================================

8011
BasicSolver/3D-mpi/canal-p1.vtk

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8011
BasicSolver/3D-mpi/canal-p10.vtk

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8011
BasicSolver/3D-mpi/canal-p4.vtk

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35
BasicSolver/3D-mpi/canal.par

@ -18,9 +18,9 @@ gx 0.0 # Body forces (e.g. gravity)
gy 0.0 # gy 0.0 #
gz 0.0 # gz 0.0 #
re 100.0 # Reynolds number re 5000.0 # Reynolds number
u_init 1.0 # initial value for velocity in x-direction u_init 0.0 # initial value for velocity in x-direction
v_init 0.0 # initial value for velocity in y-direction v_init 0.0 # initial value for velocity in y-direction
w_init 0.0 # initial value for velocity in z-direction w_init 0.0 # initial value for velocity in z-direction
p_init 0.0 # initial value for pressure p_init 0.0 # initial value for pressure
@ -31,14 +31,14 @@ p_init 0.0 # initial value for pressure
xlength 30.0 # domain size in x-direction xlength 30.0 # domain size in x-direction
ylength 4.0 # domain size in y-direction ylength 4.0 # domain size in y-direction
zlength 4.0 # domain size in z-direction zlength 4.0 # domain size in z-direction
imax 40 # number of interior cells in x-direction imax 100 # number of interior cells in x-direction
jmax 10 # number of interior cells in y-direction jmax 40 # number of interior cells in y-direction
kmax 10 # number of interior cells in z-direction kmax 40 # number of interior cells in z-direction
# Time Data: # Time Data:
# --------- # ---------
te 60.0 # final time te 200.0 # final time
dt 0.02 # time stepsize dt 0.02 # time stepsize
tau 0.5 # safety factor for time stepsize control (<0 constant delt) tau 0.5 # safety factor for time stepsize control (<0 constant delt)
@ -47,17 +47,17 @@ tau 0.5 # safety factor for time stepsize control (<0 constant delt)
itermax 500 # maximal number of pressure iteration in one time step itermax 500 # maximal number of pressure iteration in one time step
eps 0.0001 # stopping tolerance for pressure iteration eps 0.0001 # stopping tolerance for pressure iteration
rho 0.52 omg 0.52
omg 1.3 # relaxation parameter for SOR iteration omg 1.7 # relaxation parameter for SOR iteration
gamma 0.9 # upwind differencing factor gamma gamma 0.9 # upwind differencing factor gamma
# Particle Tracing Data: # Particle Tracing Data:
# ----------------------- # -----------------------
numberOfParticles 30 numberOfParticles 200
startTime 10 startTime 0
injectTimePeriod 2.0 injectTimePeriod 2.0
writeTimePeriod 2.0 writeTimePeriod 1.0
x1 1.0 x1 1.0
y1 0.0 y1 0.0
@ -65,4 +65,17 @@ z1 1.0
x2 1.0 x2 1.0
y2 4.0 y2 4.0
z2 1.0 z2 1.0
# Obstacle Geometry Data:
# -----------------------
# Shape 0 disable, 1 Rectangle/Square, 2 Circle
shape 1
xCenter 10.0
yCenter 2.0
zCenter 2.0
xRectLength 8.0
yRectLength 2.0
zRectLength 2.0
circleRadius 1.0
#=============================================================================== #===============================================================================

128011
BasicSolver/3D-mpi/dcavity-p4.vtk

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128011
BasicSolver/3D-mpi/dcavity-p8.vtk

File diff suppressed because it is too large Load Diff

15
BasicSolver/3D-mpi/dcavity.par

@ -48,7 +48,7 @@ tau 0.5 # safety factor for time stepsize control (<0 constant delt)
itermax 1000 # maximal number of pressure iteration in one time step itermax 1000 # maximal number of pressure iteration in one time step
eps 0.001 # stopping tolerance for pressure iteration eps 0.001 # stopping tolerance for pressure iteration
rho 0.5 rho 0.5
omg 1.8 # relaxation parameter for SOR iteration omg 1.7 # relaxation parameter for SOR iteration
gamma 0.9 # upwind differencing factor gamma gamma 0.9 # upwind differencing factor gamma
# Particle Tracing Data: # Particle Tracing Data:
@ -65,4 +65,17 @@ z1 1.0
x2 1.0 x2 1.0
y2 4.0 y2 4.0
z2 1.0 z2 1.0
# Obstacle Geometry Data:
# -----------------------
# Shape 0 disable, 1 Rectangle/Square, 2 Circle
shape 1
xCenter 10.0
yCenter 2.0
zCenter 2.0
xRectLength 8.0
yRectLength 2.0
zRectLength 2.0
circleRadius 1.0
#=============================================================================== #===============================================================================

82
BasicSolver/3D-mpi/karman.par Normal file

@ -0,0 +1,82 @@
#==============================================================================
# Laminar Canal Flow
#==============================================================================
# Problem specific Data:
# ---------------------
name karman # name of flow setup
bcLeft 3 # flags for boundary conditions
bcRight 3 # 1 = no-slip 3 = outflow
bcBottom 1 # 2 = free-slip 4 = periodic
bcTop 1 #
bcFront 1 #
bcBack 1 #
gx 0.0 # Body forces (e.g. gravity)
gy 0.0 #
gz 0.0 #
re 100.0 # Reynolds number
u_init 0.0 # initial value for velocity in x-direction
v_init 0.0 # initial value for velocity in y-direction
w_init 0.0 # initial value for velocity in z-direction
p_init 0.0 # initial value for pressure
# Geometry Data:
# -------------
xlength 30.0 # domain size in x-direction
ylength 8.0 # domain size in y-direction
zlength 8.0 # domain size in z-direction
imax 100 # number of interior cells in x-direction
jmax 40 # number of interior cells in y-direction
kmax 40 # number of interior cells in z-direction
# Time Data:
# ---------
te 100.0 # final time
dt 0.02 # time stepsize
tau 0.5 # safety factor for time stepsize control (<0 constant delt)
# Pressure Iteration Data:
# -----------------------
itermax 500 # maximal number of pressure iteration in one time step
eps 0.0001 # stopping tolerance for pressure iteration
omg 0.52
omg 1.7 # relaxation parameter for SOR iteration
gamma 0.9 # upwind differencing factor gamma
# Particle Tracing Data:
# -----------------------
numberOfParticles 200
startTime 0
injectTimePeriod 2.0
writeTimePeriod 1.0
x1 1.0
y1 0.0
z1 1.0
x2 1.0
y2 4.0
z2 1.0
# Obstacle Geometry Data:
# -----------------------
# Shape 0 disable, 1 Rectangle/Square, 2 Circle
shape 2
xCenter 5.0
yCenter 4.0
zCenter 4.0
xRectLength 8.0
yRectLength 2.0
zRectLength 2.0
circleRadius 1.0
#===============================================================================

32
BasicSolver/3D-mpi/src/comm.c

@ -101,6 +101,14 @@ static void setupCommunication(Comm* c, Direction direction, int layer)
MPI_DOUBLE, MPI_DOUBLE,
&c->rbufferTypes[direction]); &c->rbufferTypes[direction]);
MPI_Type_commit(&c->rbufferTypes[direction]); MPI_Type_commit(&c->rbufferTypes[direction]);
MPI_Type_create_subarray(NDIMS,
sizes,
subSizes,
starts,
MPI_ORDER_C,
MPI_INT,
&c->rbufferTypesInt[direction]);
MPI_Type_commit(&c->rbufferTypesInt[direction]);
} else if (layer == BULK) { } else if (layer == BULK) {
MPI_Type_create_subarray(NDIMS, MPI_Type_create_subarray(NDIMS,
sizes, sizes,
@ -110,6 +118,14 @@ static void setupCommunication(Comm* c, Direction direction, int layer)
MPI_DOUBLE, MPI_DOUBLE,
&c->sbufferTypes[direction]); &c->sbufferTypes[direction]);
MPI_Type_commit(&c->sbufferTypes[direction]); MPI_Type_commit(&c->sbufferTypes[direction]);
MPI_Type_create_subarray(NDIMS,
sizes,
subSizes,
starts,
MPI_ORDER_C,
MPI_INT,
&c->sbufferTypesInt[direction]);
MPI_Type_commit(&c->sbufferTypesInt[direction]);
} }
} }
@ -233,6 +249,22 @@ void commExchange(Comm* c, double* grid)
c->comm); c->comm);
} }
void commExchangeInt(Comm* c, int* grid)
{
int counts[6] = { 1, 1, 1, 1, 1, 1 };
MPI_Aint displs[6] = { 0, 0, 0, 0, 0, 0 };
MPI_Neighbor_alltoallw(grid,
counts,
displs,
c->sbufferTypesInt,
grid,
counts,
displs,
c->rbufferTypesInt,
c->comm);
}
void commShift(Comm* c, double* f, double* g, double* h) void commShift(Comm* c, double* f, double* g, double* h)
{ {
MPI_Request requests[6] = { MPI_REQUEST_NULL, MPI_Request requests[6] = { MPI_REQUEST_NULL,

4
BasicSolver/3D-mpi/src/comm.h

@ -27,6 +27,8 @@ typedef struct {
MPI_Comm comm; MPI_Comm comm;
MPI_Datatype sbufferTypes[NDIRS]; MPI_Datatype sbufferTypes[NDIRS];
MPI_Datatype rbufferTypes[NDIRS]; MPI_Datatype rbufferTypes[NDIRS];
MPI_Datatype sbufferTypesInt[NDIRS];
MPI_Datatype rbufferTypesInt[NDIRS];
int neighbours[NDIRS]; int neighbours[NDIRS];
int coords[NDIMS], dims[NDIMS]; int coords[NDIMS], dims[NDIMS];
int imaxLocal, jmaxLocal, kmaxLocal; int imaxLocal, jmaxLocal, kmaxLocal;
@ -37,6 +39,8 @@ extern void commInit(Comm* comm, int kmax, int jmax, int imax);
extern void commFree(Comm* comm); extern void commFree(Comm* comm);
extern void commPrintConfig(Comm*); extern void commPrintConfig(Comm*);
extern void commExchange(Comm*, double*); extern void commExchange(Comm*, double*);
extern void commExchangeInt(Comm*, int*);
extern void commShift(Comm* c, double* f, double* g, double* h); extern void commShift(Comm* c, double* f, double* g, double* h);
extern void commReduction(double* v, int op); extern void commReduction(double* v, int op);
extern int commIsBoundary(Comm* c, Direction direction); extern int commIsBoundary(Comm* c, Direction direction);

5
BasicSolver/3D-mpi/src/main.c

@ -71,13 +71,16 @@ int main(int argc, char** argv)
if (tau > 0.0) computeTimestep(&solver); if (tau > 0.0) computeTimestep(&solver);
setBoundaryConditions(&solver); setBoundaryConditions(&solver);
setSpecialBoundaryCondition(&solver); setSpecialBoundaryCondition(&solver);
setObjectBoundaryCondition(&solver);
computeFG(&solver); computeFG(&solver);
computeRHS(&solver); computeRHS(&solver);
// if (nt % 100 == 0) normalizePressure(&solver); // if (nt % 100 == 0) normalizePressure(&solver);
solver_generic[variant - 1](&solver); solver_generic[variant - 1](&solver);
adaptUV(&solver); adaptUV(&solver);
trace(&particletracer, solver.u, solver.v, solver.w, t); trace(&particletracer, solver.u, solver.v, solver.w, solver.seg, t);
t += solver.dt; t += solver.dt;
nt++; nt++;

10
BasicSolver/3D-mpi/src/parameter.c

@ -102,6 +102,16 @@ void readParameter(Parameter* param, const char* filename)
PARSE_REAL(y2); PARSE_REAL(y2);
PARSE_REAL(z2); PARSE_REAL(z2);
/* Added obstacle geometry parameters */
PARSE_INT(shape);
PARSE_REAL(xCenter);
PARSE_REAL(yCenter);
PARSE_REAL(zCenter);
PARSE_REAL(xRectLength);
PARSE_REAL(yRectLength);
PARSE_REAL(zRectLength);
PARSE_REAL(circleRadius);
} }
} }

4
BasicSolver/3D-mpi/src/parameter.h

@ -23,7 +23,9 @@ typedef struct {
double startTime, injectTimePeriod, writeTimePeriod; double startTime, injectTimePeriod, writeTimePeriod;
double x1, y1, z1, x2, y2, z2; double x1, y1, z1, x2, y2, z2;
} Parameter;
int shape;
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*);

64
BasicSolver/3D-mpi/src/particletracing.c

@ -16,6 +16,7 @@
#define U(i, j, k) u[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)] #define U(i, j, k) u[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
#define V(i, j, k) v[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)] #define V(i, j, k) 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 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;
@ -66,9 +67,12 @@ void printParticles(ParticleTracer* particletracer)
particletracer->xOffsetEnd, particletracer->yOffsetEnd); particletracer->xOffsetEnd, particletracer->yOffsetEnd);
} }
} }
void injectParticles(ParticleTracer* particletracer) void injectParticles(ParticleTracer* particletracer,int* restrict seg)
{ {
double x, y, z; double x, y, z;
int imaxLocal = particletracer->imaxLocal;
int jmaxLocal = particletracer->jmaxLocal;
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;
@ -82,14 +86,21 @@ void injectParticles(ParticleTracer* particletracer)
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 j = particletracer->particlePool[particletracer->pointer].y / 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);
} }
} }
}
} }
void advanceParticles(ParticleTracer* particletracer, double* restrict u, double* restrict v, double* restrict w,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;
@ -108,11 +119,11 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
double zlength = particletracer->zlength; double zlength = particletracer->zlength;
Particle buff[particletracer->size][30]; 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 < 30; ++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;
@ -251,6 +262,16 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
} }
} }
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 iOffset = particletracer->xOffset / dx,
jOffset = particletracer->yOffset / dy,
kOffset = particletracer->zOffset / dz;
if(S(i_new - iOffset, j_new - jOffset, k_new - kOffset) != NONE)
{
particletracer->particlePool[i].flag = false;
}
} }
} }
} }
@ -259,21 +280,21 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
{ {
if(i != particletracer->rank) if(i != particletracer->rank)
{ {
MPI_Send(buff[i], 30, particletracer->mpi_particle, i, 0, particletracer->comm); MPI_Send(buff[i], 100, 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], 30, particletracer->mpi_particle, i, 0, particletracer->comm, MPI_STATUS_IGNORE); MPI_Recv(buff[i], 100, 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 < 30; ++j) for(int j = 0; j < 100; ++j)
{ {
if(buff[i][j].flag == true) if(buff[i][j].flag == true)
{ {
@ -458,27 +479,16 @@ void initParticleTracer(ParticleTracer* particletracer, Parameter* params, Solve
memcpy(particletracer->coords, solver->comm.coords, sizeof(solver->comm.coords)); memcpy(particletracer->coords, solver->comm.coords, sizeof(solver->comm.coords));
particletracer->xLocal = particletracer->imaxLocal * particletracer->dx;
particletracer->yLocal = particletracer->jmaxLocal * particletracer->dy;
particletracer->zLocal = particletracer->kmaxLocal * particletracer->dz;
double xLocal[particletracer->size];
double yLocal[particletracer->size];
double zLocal[particletracer->size];
double offset[6][particletracer->size]; double offset[6][particletracer->size];
MPI_Allgather(&particletracer->xLocal, 1, MPI_DOUBLE, xLocal, 1, MPI_DOUBLE, particletracer->comm); particletracer->xOffset = solver->xOffset;
MPI_Allgather(&particletracer->yLocal, 1, MPI_DOUBLE, yLocal, 1, MPI_DOUBLE, particletracer->comm); particletracer->yOffset = solver->yOffset;
MPI_Allgather(&particletracer->zLocal, 1, MPI_DOUBLE, zLocal, 1, MPI_DOUBLE, particletracer->comm); particletracer->zOffset = solver->zOffset;
particletracer->xOffsetEnd = solver->xOffsetEnd;
particletracer->xOffset = sumOffset(xLocal, particletracer->rank, (particletracer->dims[1] * particletracer->dims[2]), particletracer->coords[0]); particletracer->yOffsetEnd = solver->yOffsetEnd;
particletracer->yOffset = sumOffset(yLocal, particletracer->rank, particletracer->dims[2], particletracer->coords[1]); particletracer->zOffsetEnd = solver->zOffsetEnd;
particletracer->zOffset = sumOffset(zLocal, particletracer->rank, 1, particletracer->coords[2]);
particletracer->xOffsetEnd = particletracer->xOffset + particletracer->xLocal;
particletracer->yOffsetEnd = particletracer->yOffset + particletracer->yLocal;
particletracer->zOffsetEnd = particletracer->zOffset + particletracer->zLocal;
//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);
@ -560,13 +570,13 @@ void printParticleTracerParameters(ParticleTracer* particletracer)
printf("\txLocal : %.2f, yLocal : %.2f, zLocal : %.2f\n", particletracer->xLocal, particletracer->yLocal, particletracer->zLocal); 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, double time) void trace(ParticleTracer* particletracer, double* restrict u, double* restrict v, double* restrict w, int* restrict seg,double time)
{ {
if (time >= particletracer->startTime) if (time >= particletracer->startTime)
{ {
if( (time - particletracer->lastInjectTime) >= particletracer->injectTimePeriod) if( (time - particletracer->lastInjectTime) >= particletracer->injectTimePeriod)
{ {
injectParticles(particletracer); injectParticles(particletracer, seg);
particletracer->lastInjectTime = time; particletracer->lastInjectTime = time;
} }
if( (time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod) if( (time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod)
@ -574,7 +584,7 @@ void trace(ParticleTracer* particletracer, double* restrict u, double* restrict
writeParticles(particletracer); writeParticles(particletracer);
particletracer->lastWriteTime = time; particletracer->lastWriteTime = time;
} }
advanceParticles(particletracer, u, v, w, time); advanceParticles(particletracer, u, v, w, seg, time);
compress(particletracer); compress(particletracer);
particletracer->lastUpdateTime = time; particletracer->lastUpdateTime = time;
} }

6
BasicSolver/3D-mpi/src/particletracing.h

@ -50,12 +50,12 @@ typedef struct {
} ParticleTracer; } ParticleTracer;
void initParticleTracer(ParticleTracer*, Parameter*, Solver* ); void initParticleTracer(ParticleTracer*, Parameter*, Solver* );
void injectParticles(ParticleTracer*); void injectParticles(ParticleTracer*, int*);
void advanceParticles(ParticleTracer*, double* , double* , double* , double); void advanceParticles(ParticleTracer*, double* , double* , double* ,int*, double);
void freeParticles(ParticleTracer*); void freeParticles(ParticleTracer*);
void writeParticles(ParticleTracer*); void writeParticles(ParticleTracer*);
void printParticleTracerParameters(ParticleTracer*); void printParticleTracerParameters(ParticleTracer*);
void printParticles(ParticleTracer*); void printParticles(ParticleTracer*);
void trace(ParticleTracer*, double* , double* , double* , double ); void trace(ParticleTracer*, double* , double* , double* , int*, double );
void compress(ParticleTracer* ); void compress(ParticleTracer* );
#endif #endif

731
BasicSolver/3D-mpi/src/solver.c

@ -32,6 +32,13 @@
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)]
static double distance(
double i, double j, double k, double iCenter, double jCenter, double kCenter)
{
return sqrt(pow(iCenter - i, 2) + pow(jCenter - j, 2) + pow(kCenter - k, 2) * 1.0);
}
static void printConfig(Solver* s) static void printConfig(Solver* s)
{ {
@ -72,6 +79,125 @@ static void printConfig(Solver* s)
commPrintConfig(&s->comm); commPrintConfig(&s->comm);
} }
static double sumOffset(double* sizes, int init, int offset, int coord)
{
double sum = 0;
for (int i = init - offset; coord > 0; i-=offset, --coord)
{
sum += sizes[i];
}
return sum;
}
void printGrid(Solver* solver, int* grid)
{
int imax = solver->grid.imax;
int jmax = solver->grid.jmax;
for (int k = 0; k < solver->grid.kmax + 2; k++) {
printf("K : %02d:\n", k);
for (int j = 0; j < solver->grid.jmax + 2; j++) {
printf("J : %02d: ", j);
for (int i = 0; i < solver->grid.imax + 2; i++) {
switch (grid[(k) * (imax + 2) * (jmax + 2) + (j) * (imax + 2) + (i)]) {
case FRONTFACE:
printf("FF ");
break;
case BACKFACE:
printf("BF ");
break;
case LEFTFACE:
printf("LF ");
break;
case RIGHTFACE:
printf("RF ");
break;
case TOPFACE:
printf("TF ");
break;
case BOTTOMFACE:
printf("BMF ");
break;
case FRONTTOPLEFTCORNER:
printf("FTLC ");
break;
case FRONTTOPRIGHTCORNER:
printf("FTRC ");
break;
case FRONTBOTTOMLEFTCORNER:
printf("FBLC ");
break;
case FRONTBOTTOMRIGHTCORNER:
printf("FBRC ");
break;
case BACKTOPLEFTCORNER:
printf("BTLC ");
break;
case BACKTOPRIGHTCORNER:
printf("BTRC ");
break;
case BACKBOTTOMLEFTCORNER:
printf("BBLC ");
break;
case BACKBOTTOMRIGHTCORNER:
printf("BBRC ");
break;
case FRONTTOPLINE:
printf("FTL ");
break;
case FRONTBOTTOMLINE:
printf("FBL ");
break;
case FRONTLEFTLINE:
printf("FLL ");
break;
case FRONTRIGHTLINE:
printf("FRL ");
break;
case MIDTOPLEFTLINE:
printf("MTLL ");
break;
case MIDTOPRIGHTLINE:
printf("MTRL ");
break;
case MIDBOTTOMLEFTLINE:
printf("MBTL ");
break;
case MIDBOTTOMRIGHTLINE:
printf("MBRL ");
break;
case BACKTOPLINE:
printf("BTL ");
break;
case BACKBOTTOMLINE:
printf("BBL ");
break;
case BACKLEFTLINE:
printf("BLL ");
break;
case BACKRIGHTLINE:
printf("BRL ");
break;
case LOCAL:
printf("L ");
break;
case NONE:
printf("N ");
break;
}
}
printf("\n");
}
printf("\n\n");
}
fflush(stdout);
}
void initSolver(Solver* s, Parameter* params) void initSolver(Solver* s, Parameter* params)
{ {
s->problem = params->name; s->problem = params->name;
@ -121,6 +247,8 @@ void initSolver(Solver* s, Parameter* params)
s->f = allocate(64, size * sizeof(double)); s->f = allocate(64, size * sizeof(double));
s->g = allocate(64, size * sizeof(double)); s->g = allocate(64, size * sizeof(double));
s->h = allocate(64, size * sizeof(double)); s->h = allocate(64, size * sizeof(double));
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;
@ -131,6 +259,8 @@ void initSolver(Solver* s, Parameter* params)
s->f[i] = 0.0; s->f[i] = 0.0;
s->g[i] = 0.0; s->g[i] = 0.0;
s->h[i] = 0.0; s->h[i] = 0.0;
s->seg[i] = NONE;
} }
double dx = s->grid.dx; double dx = s->grid.dx;
@ -140,6 +270,225 @@ void initSolver(Solver* s, Parameter* params)
double invSqrSum = 1.0 / (dx * dx) + 1.0 / (dy * dy) + 1.0 / (dz * dz); double invSqrSum = 1.0 / (dx * dx) + 1.0 / (dy * dy) + 1.0 / (dz * dz);
s->dtBound = 0.5 * s->re * 1.0 / invSqrSum; s->dtBound = 0.5 * s->re * 1.0 / invSqrSum;
double xCenter = 0, yCenter = 0, zCenter = 0, radius = 0;
double x1 = 0, x2 = 0, y1 = 0, y2 = 0, z1 = 0, z2 = 0;
int iOffset = 0, jOffset = 0, kOffset = 0;
s->xLocal = s->comm.imaxLocal * s->grid.dx;
s->yLocal = s->comm.jmaxLocal * s->grid.dy;
s->zLocal = s->comm.kmaxLocal * s->grid.dz;
double xLocal[s->comm.size];
double yLocal[s->comm.size];
double zLocal[s->comm.size];
MPI_Allgather(&s->xLocal, 1, MPI_DOUBLE, xLocal, 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);
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->zOffset = sumOffset(zLocal, s->comm.rank, 1, s->comm.coords[2]);
s->xOffsetEnd = s->xOffset + s->xLocal;
s->yOffsetEnd = s->yOffset + s->yLocal;
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);
// exit(0);
int* seg = s->seg;
iOffset = s->xOffset / dx;
jOffset = s->yOffset / dy;
kOffset = s->zOffset / dz;
switch (params->shape) {
case NOSHAPE:
break;
case RECT:
x1 = params->xCenter - params->xRectLength / 2;
x2 = params->xCenter + params->xRectLength / 2;
y1 = params->yCenter - params->yRectLength / 2;
y2 = params->yCenter + params->yRectLength / 2;
z1 = params->zCenter - params->zRectLength / 2;
z2 = params->zCenter + params->zRectLength / 2;
for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) {
if ((x1 <= ((i + iOffset) * dx)) && (((i + iOffset) * dx) <= x2) && (y1 <= ((j +jOffset) * dy)) &&
(((j+ jOffset) * dy) <= y2) && ((z1 <= ((k + kOffset) * dz)) && (((k + kOffset)* dz) <= z2))) {
S(i, j, k) = LOCAL;
}
}
}
}
break;
case CIRCLE:
xCenter = params->xCenter;
yCenter = params->yCenter;
zCenter = params->zCenter;
radius = params->circleRadius;
for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) {
if (distance(((i + iOffset) * dx),
((j +jOffset) * dy),
((k + kOffset) * dz),
xCenter,
yCenter,
zCenter) <= radius) {
S(i, j, k) = LOCAL;
}
}
}
}
break;
default:
break;
}
commExchangeInt(&s->comm, seg);
for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) {
/* Assigning enum values to Corners */
if (S(i - 1, j + 1, k - 1) == NONE && S(i - 1, j, k) == NONE &&
S(i, j + 1, k) == NONE && S(i, j, k - 1) == NONE &&
S(i + 1, j - 1, k + 1) == LOCAL && S(i, j, k) == LOCAL) {
S(i, j, k) = FRONTTOPLEFTCORNER; //
}
if (S(i + 1, j + 1, k - 1) == NONE && S(i + 1, j, k) == NONE &&
S(i, j + 1, k) == NONE && S(i, j, k - 1) == NONE &&
S(i - 1, j - 1, k + 1) == LOCAL && S(i, j, k) == LOCAL) {
S(i, j, k) = FRONTTOPRIGHTCORNER; //
}
if (S(i - 1, j - 1, k - 1) == NONE && S(i - 1, j, k) == NONE &&
S(i, j - 1, k) == NONE && S(i, j, k - 1) == NONE &&
S(i + 1, j + 1, k + 1) == LOCAL && S(i, j, k) == LOCAL) {
S(i, j, k) = FRONTBOTTOMLEFTCORNER; //
}
if (S(i + 1, j - 1, k - 1) == NONE && S(i + 1, j, k) == NONE &&
S(i, j - 1, k) == NONE && S(i, j, k - 1) == NONE &&
S(i - 1, j + 1, k + 1) == LOCAL && S(i, j, k) == LOCAL) {
S(i, j, k) = FRONTBOTTOMRIGHTCORNER; //
}
if (S(i - 1, j + 1, k + 1) == NONE && S(i - 1, j, k) == NONE &&
S(i, j + 1, k) == NONE && S(i, j, k + 1) == NONE &&
S(i + 1, j - 1, k - 1) == LOCAL && S(i, j, k) == LOCAL) {
S(i, j, k) = BACKTOPLEFTCORNER; //
}
if (S(i + 1, j + 1, k + 1) == NONE && S(i + 1, j, k) == NONE &&
S(i, j + 1, k) == NONE && S(i, j, k + 1) == NONE &&
S(i - 1, j - 1, k - 1) == LOCAL && S(i, j, k) == LOCAL) {
S(i, j, k) = BACKTOPRIGHTCORNER;
}
if (S(i - 1, j - 1, k + 1) == NONE && S(i - 1, j, k) == NONE &&
S(i, j - 1, k) == NONE && S(i, j, k + 1) == NONE &&
S(i + 1, j + 1, k - 1) == LOCAL && S(i, j, k) == LOCAL) {
S(i, j, k) = BACKBOTTOMLEFTCORNER;
}
if (S(i + 1, j - 1, k + 1) == NONE && S(i + 1, j, k) == NONE &&
S(i, j - 1, k) == NONE && S(i, j, k + 1) == NONE &&
S(i - 1, j + 1, k - 1) == LOCAL && S(i, j, k) == LOCAL) {
S(i, j, k) = BACKBOTTOMRIGHTCORNER;
}
/* Assigning enum values to Lines */
if (S(i - 1, j, k - 1) == NONE && S(i, j, k - 1) == NONE &&
S(i - 1, j, k) == NONE && S(i + 1, j, k + 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = FRONTLEFTLINE;
}
if (S(i + 1, j, k - 1) == NONE && S(i + 1, j, k) == NONE &&
S(i, j, k - 1) == NONE && S(i - 1, j, k + 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = FRONTRIGHTLINE;
}
if (S(i, j + 1, k - 1) == NONE && S(i, j + 1, k) == NONE &&
S(i, j, k - 1) == NONE && S(i, j - 1, k + 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = FRONTTOPLINE;
}
if (S(i, j - 1, k - 1) == NONE && S(i, j, k - 1) == NONE &&
S(i, j - 1, k) == NONE && S(i, j + 1, k + 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = FRONTBOTTOMLINE;
}
if (S(i - 1, j + 1, k) == NONE && S(i, j + 1, k) == NONE &&
S(i - 1, j, k) == NONE && S(i + 1, j - 1, k) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = MIDTOPLEFTLINE;
}
if (S(i + 1, j + 1, k) == NONE && S(i + 1, j, k) == NONE &&
S(i, j + 1, k) == NONE && S(i - 1, j - 1, k) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = MIDTOPRIGHTLINE;
}
if (S(i - 1, j - 1, k) == NONE && S(i - 1, j, k) == NONE &&
S(i, j - 1, k) == NONE && S(i + 1, j + 1, k) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = MIDBOTTOMLEFTLINE;
}
if (S(i + 1, j - 1, k) == NONE && S(i + 1, j, k) == NONE &&
S(i, j - 1, k) == NONE && S(i - 1, j + 1, k) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = MIDBOTTOMRIGHTLINE;
}
if (S(i - 1, j, k + 1) == NONE && S(i - 1, j, k) == NONE &&
S(i, j, k + 1) == NONE && S(i + 1, j, k - 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = BACKLEFTLINE;
}
if (S(i + 1, j, k + 1) == NONE && S(i + 1, j, k) == NONE &&
S(i, j, k + 1) == NONE && S(i - 1, j, k - 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = BACKRIGHTLINE;
}
if (S(i, j + 1, k + 1) == NONE && S(i, j + 1, k) == NONE &&
S(i, j, k + 1) == NONE && S(i, j - 1, k - 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = BACKTOPLINE;
}
if (S(i, j - 1, k + 1) == NONE && S(i, j - 1, k) == NONE &&
S(i, j, k + 1) == NONE && S(i, j + 1, k - 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = BACKBOTTOMLINE;
}
/* Assigning enum values to Faces */
if (S(i, j, k - 1) == NONE && S(i, j, k + 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = FRONTFACE; //
}
if (S(i, j, k + 1) == NONE && S(i, j, k - 1) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = BACKFACE; //
}
if (S(i, j - 1, k) == NONE && S(i, j + 1, k) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = BOTTOMFACE; //
}
if (S(i, j + 1, k) == NONE && S(i, j - 1, k) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = TOPFACE; //
}
if (S(i - 1, j, k) == NONE && S(i + 1, j, k) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = LEFTFACE; //
}
if (S(i + 1, j, k) == NONE && S(i - 1, j, k) == LOCAL &&
S(i, j, k) == LOCAL) {
S(i, j, k) = RIGHTFACE; //
}
}
}
}
#ifdef VERBOSE #ifdef VERBOSE
//printConfig(s); //printConfig(s);
#endif /* VERBOSE */ #endif /* VERBOSE */
@ -160,12 +509,15 @@ void computeRHS(Solver* s)
double* f = s->f; double* f = s->f;
double* g = s->g; double* g = s->g;
double* h = s->h; double* h = s->h;
int* seg = s->seg;
commShift(&s->comm, f, g, h); commShift(&s->comm, f, g, h);
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)
{
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) *
@ -173,6 +525,7 @@ void computeRHS(Solver* s)
} }
} }
} }
}
} }
void solveRB(Solver* s) void solveRB(Solver* s)
@ -202,6 +555,7 @@ void solveRB(Solver* s)
int it = 0; int it = 0;
double res = 1.0; double res = 1.0;
int pass, ksw, jsw, isw; int pass, ksw, jsw, isw;
int* seg = s->seg;
while ((res >= epssq) && (it < itermax)) { while ((res >= epssq) && (it < itermax)) {
@ -217,7 +571,8 @@ void solveRB(Solver* s)
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)
{
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 +
@ -228,6 +583,7 @@ void solveRB(Solver* s)
P(i, j, k) -= (factor * r); P(i, j, k) -= (factor * r);
res += (r * r); res += (r * r);
}
} }
isw = 3 - isw; isw = 3 - isw;
} }
@ -283,6 +639,7 @@ void solveRB(Solver* s)
} }
} }
} }
setObjectPBoundaryCondition(s);
commReduction(&res, SUM); commReduction(&res, SUM);
res = res / (double)(imax * jmax * kmax); res = res / (double)(imax * jmax * kmax);
@ -329,6 +686,7 @@ void solve(Solver* s)
double epssq = eps * eps; double epssq = eps * eps;
int it = 0; int it = 0;
double res = 1.0; double res = 1.0;
int* seg = s->seg;
while ((res >= epssq) && (it < itermax)) { while ((res >= epssq) && (it < itermax)) {
res = 0.0; res = 0.0;
@ -338,7 +696,8 @@ void solve(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)
{
double r = RHS(i, j, k) - double r = 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 +
@ -352,6 +711,7 @@ void solve(Solver* s)
} }
} }
} }
}
if (commIsBoundary(&s->comm, FRONT)) { if (commIsBoundary(&s->comm, FRONT)) {
for (int j = 1; j < jmaxLocal + 1; j++) { for (int j = 1; j < jmaxLocal + 1; j++) {
@ -400,6 +760,7 @@ void solve(Solver* s)
} }
} }
} }
setObjectPBoundaryCondition(s);
commReduction(&res, SUM); commReduction(&res, SUM);
res = res / (double)(imax * jmax * kmax); res = res / (double)(imax * jmax * kmax);
@ -449,6 +810,7 @@ void solveRBA(Solver* s)
int it = 0; int it = 0;
double res = 1.0; double res = 1.0;
int pass, ksw, jsw, isw; int pass, ksw, jsw, isw;
int* seg = s->seg;
while ((res >= epssq) && (it < itermax)) { while ((res >= epssq) && (it < itermax)) {
res = 0.0; res = 0.0;
@ -463,7 +825,8 @@ void solveRBA(Solver* s)
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)
{
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 +
@ -475,6 +838,7 @@ void solveRBA(Solver* s)
P(i, j, k) -= (omega * factor * r); P(i, j, k) -= (omega * factor * r);
res += (r * r); res += (r * r);
} }
}
isw = 3 - isw; isw = 3 - isw;
} }
jsw = 3 - jsw; jsw = 3 - jsw;
@ -531,6 +895,7 @@ void solveRBA(Solver* s)
} }
} }
} }
setObjectPBoundaryCondition(s);
commReduction(&res, SUM); commReduction(&res, SUM);
res = res / (double)(imax * jmax * kmax); res = res / (double)(imax * jmax * kmax);
@ -870,6 +1235,7 @@ void computeFG(Solver* s)
double* f = s->f; double* f = s->f;
double* g = s->g; double* g = s->g;
double* h = s->h; double* h = s->h;
int* seg = s->seg;
double gx = s->gx; double gx = s->gx;
double gy = s->gy; double gy = s->gy;
@ -894,6 +1260,8 @@ 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)
{
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)) -
@ -1020,6 +1388,117 @@ void computeFG(Solver* s)
H(i, j, k) = W(i, j, k) + dt * (inverseRe * (dw2dx2 + dw2dy2 + dw2dz2) - H(i, j, k) = W(i, j, k) + dt * (inverseRe * (dw2dx2 + dw2dy2 + dw2dz2) -
duwdx - dvwdy - dw2dz + gz); duwdx - dvwdy - dw2dz + gz);
} }
else{
switch (S(i, j, k)) {
case TOPFACE:
G(i, j, k) = V(i, j, k);
break;
case BOTTOMFACE:
G(i, j, k) = V(i, j, k);
break;
case LEFTFACE:
F(i, j, k) = U(i, j, k);
break;
case RIGHTFACE:
F(i, j, k) = U(i, j, k);
break;
case FRONTFACE:
H(i, j, k) = W(i, j, k);
break;
case BACKFACE:
H(i, j, k) = W(i, j, k);
break;
case FRONTLEFTLINE:
F(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case FRONTRIGHTLINE:
F(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case FRONTTOPLINE:
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case FRONTBOTTOMLINE:
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case MIDTOPLEFTLINE:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
break;
case MIDTOPRIGHTLINE:
F(i, j, k) = U(i, j, k);
G(i, j, k) = V(i, j, k);
break;
case MIDBOTTOMLEFTLINE:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
break;
case MIDBOTTOMRIGHTLINE:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
break;
case BACKLEFTLINE:
F(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case BACKRIGHTLINE:
F(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case BACKTOPLINE:
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case BACKBOTTOMLINE:
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case FRONTTOPLEFTCORNER:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case FRONTTOPRIGHTCORNER:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case FRONTBOTTOMLEFTCORNER:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case FRONTBOTTOMRIGHTCORNER:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case BACKTOPLEFTCORNER:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case BACKTOPRIGHTCORNER:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case BACKBOTTOMLEFTCORNER:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
case BACKBOTTOMRIGHTCORNER:
F(i, j, k) = 0.0;
G(i, j, k) = 0.0;
H(i, j, k) = 0.0;
break;
}
}
}
} }
} }
@ -1106,3 +1585,249 @@ void adaptUV(Solver* s)
} }
} }
} }
void setObjectBoundaryCondition(Solver* s)
{
int imaxLocal = s->comm.imaxLocal;
int jmaxLocal = s->comm.jmaxLocal;
int kmaxLocal = s->comm.kmaxLocal;
double* u = s->u;
double* v = s->v;
double* w = s->w;
int* seg = s->seg;
for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) {
switch (S(i, j, k)) {
case TOPFACE:
U(i, j, k) = -U(i, j+1, k);
V(i, j, k) = 0.0;
W(i, j, k) = -W(i, j+1, k);;
break;
case BOTTOMFACE:
U(i, j, k) = -U(i, j-1, k);
V(i, j, k) = 0.0;
W(i, j, k) = -W(i, j-1, k);
break;
case LEFTFACE:
U(i, j, k) = 0.0;
V(i, j, k) = -V(i-1, j, k);
W(i, j, k) = -W(i-1, j, k);
break;
case RIGHTFACE:
U(i, j, k) = 0.0;
V(i, j, k) = -V(i+1, j, k);
W(i, j, k) = -W(i+1, j, k);
break;
case FRONTFACE:
U(i, j, k) = -U(i, j, k-1);
V(i, j, k) = -V(i, j, k-1);
W(i, j, k) = 0.0;
break;
case BACKFACE:
U(i, j, k) = -U(i, j, k+1);
V(i, j, k) = -V(i, j, k+1);
W(i, j, k) = 0.0;
break;
case FRONTLEFTLINE:
U(i, j, k) = 0.0;
V(i, j, k) = -V(i, j, k-1);
W(i, j, k) = -W(i-1, j, k);
break;
case FRONTRIGHTLINE:
U(i, j, k) = 0.0;
V(i, j, k) = -V(i, j, k-1);
W(i, j, k) = -W(i+1, j, k);
break;
case FRONTTOPLINE:
U(i, j, k) = -U(i, j, k-1);
V(i, j, k) = 0.0;
W(i, j, k) = -W(i, j+1, k);
break;
case FRONTBOTTOMLINE:
U(i, j, k) = -U(i, j, k-1);
V(i, j, k) = 0.0;
W(i, j, k) = -W(i, j-1, k);
break;
case MIDTOPLEFTLINE:
U(i, j, k) = -U(i, j+1, k);
V(i, j, k) = -V(i-1, j, k);
W(i, j, k) = 0.0;
break;
case MIDTOPRIGHTLINE:
U(i, j, k) = 0.0;
V(i, j, k) = 0.0;
U(i-1, j, k) = -U(i-1, j+1, k);
V(i, j-1, k) = -V(i+1, j-1, k);
W(i, j, k) = 0.0;
break;
case MIDBOTTOMLEFTLINE:
U(i, j, k) = -U(i, j-1, k);
V(i, j, k) = -V(i-1, j, k);
W(i, j, k) = 0.0;
break;
case MIDBOTTOMRIGHTLINE:
U(i, j, k) = -U(i, j-1, k);
V(i, j, k) = -V(i+1, j, k);
W(i, j, k) = 0.0;
break;
case BACKLEFTLINE:
U(i, j, k) = 0.0;
V(i, j, k) = -V(i, j, k+1);
W(i, j, k) = -W(i-1, j, k);
break;
case BACKRIGHTLINE:
U(i, j, k) = 0.0;
V(i, j, k) = -V(i, j, k+1);
W(i, j, k) = -W(i+1, j, k);
break;
case BACKTOPLINE:
U(i, j, k) = -U(i, j, k+1);
V(i, j, k) = 0.0;
W(i, j, k) = -W(i, j+1, k);
break;
case BACKBOTTOMLINE:
U(i, j, k) = -U(i, j, k+1);
V(i, j, k) = 0.0;
W(i, j, k) = -W(i, j-1, k);
break;
case FRONTTOPLEFTCORNER:
U(i, j, k) = -U(i, j, k-1);
V(i, j, k) = -V(i-1, j, k);
W(i, j, k) = -W(i, j+1, k);
break;
case FRONTTOPRIGHTCORNER:
U(i, j, k) = -U(i, j, k-1);
V(i, j, k) = -V(i+1, j, k);
W(i, j, k) = -W(i, j+1, k);
break;
case FRONTBOTTOMLEFTCORNER:
U(i, j, k) = -U(i, j, k-1);
V(i, j, k) = -V(i-1, j, k);
W(i, j, k) = -W(i, j-1, k);
break;
case FRONTBOTTOMRIGHTCORNER:
U(i, j, k) = -U(i, j, k-1);
V(i, j, k) = -V(i+1, j, k);
W(i, j, k) = -W(i, j-1, k);
break;
case BACKTOPLEFTCORNER:
U(i, j, k) = -U(i, j, k+1);
V(i, j, k) = -V(i-1, j, k);
W(i, j, k) = -W(i, j+1, k);
break;
case BACKTOPRIGHTCORNER:
U(i, j, k) = -U(i, j, k+1);
V(i, j, k) = -V(i+1, j, k);
W(i, j, k) = -W(i, j+1, k);
break;
case BACKBOTTOMLEFTCORNER:
U(i, j, k) = -U(i, j, k+1);
V(i, j, k) = -V(i-1, j, k);
W(i, j, k) = -W(i, j-1, k);
break;
case BACKBOTTOMRIGHTCORNER:
U(i, j, k) = -U(i, j, k+1);
V(i, j, k) = -V(i+1, j, k);
W(i, j, k) = -W(i, j-1, k);
break;
}
}
}
}
}
void setObjectPBoundaryCondition(Solver* s)
{
int imaxLocal = s->comm.imaxLocal;
int jmaxLocal = s->comm.jmaxLocal;
int kmaxLocal = s->comm.kmaxLocal;
double* p = s->p;
int* seg = s->seg;
for (int k = 1; k < kmaxLocal + 1; k++) {
for (int j = 1; j < jmaxLocal + 1; j++) {
for (int i = 1; i < imaxLocal + 1; i++) {
switch (S(i, j, k)) {
case TOPFACE:
P(i,j,k) = P(i,j+1,k);
break;
case BOTTOMFACE:
P(i,j,k) = P(i,j-1,k);
break;
case LEFTFACE:
P(i,j,k) = P(i-1,j,k);
break;
case RIGHTFACE:
P(i,j,k) = P(i+1,j,k);
break;
case FRONTFACE:
P(i,j,k) = P(i,j,k-1);
break;
case BACKFACE:
P(i,j,k) = P(i,j,k+1);
break;
case FRONTLEFTLINE:
P(i,j,k) = (P(i,j,k-1) + P(i-1,j,k)) / 2;
break;
case FRONTRIGHTLINE:
P(i,j,k) = (P(i,j,k-1) + P(i+1,j,k)) / 2;
break;
case FRONTTOPLINE:
P(i,j,k) = (P(i,j,k-1) + P(i,j+1,k)) / 2;
break;
case FRONTBOTTOMLINE:
P(i,j,k) = (P(i,j,k-1) + P(i,j-1,k)) / 2;
break;
case MIDTOPLEFTLINE:
P(i,j,k) = (P(i-1,j,k) + P(i,j+1,k)) / 2;
break;
case MIDTOPRIGHTLINE:
P(i,j,k) = (P(i+1,j,k) + P(i,j+1,k)) / 2;
break;
case MIDBOTTOMLEFTLINE:
P(i,j,k) = (P(i-1,j,k) + P(i,j-1,k)) / 2;
break;
case MIDBOTTOMRIGHTLINE:
P(i,j,k) = (P(i+1,j,k) + P(i,j-1,k)) / 2;
break;
case BACKLEFTLINE:
P(i,j,k) = (P(i,j,k+1) + P(i-1,j,k)) / 2;
break;
case BACKRIGHTLINE:
P(i,j,k) = (P(i,j,k+1) + P(i+1,j,k)) / 2;
break;
case BACKTOPLINE:
P(i,j,k) = (P(i,j,k+1) + P(i,j+1,k)) / 2;
break;
case BACKBOTTOMLINE:
P(i,j,k) = (P(i,j,k+1) + P(i,j-1,k)) / 2;
break;
case FRONTTOPLEFTCORNER:
P(i,j,k) = (P(i,j,k-1) + P(i-1,j,k) + P(i,j+1,k)) / 3;
break;
case FRONTTOPRIGHTCORNER:
P(i,j,k) = (P(i,j,k-1) + P(i+1,j,k) + P(i,j+1,k)) / 3;
break;
case FRONTBOTTOMLEFTCORNER:
P(i,j,k) = (P(i,j,k-1) + P(i-1,j,k) + P(i,j-1,k)) / 3;
break;
case FRONTBOTTOMRIGHTCORNER:
P(i,j,k) = (P(i,j,k-1) + P(i+1,j,k) + P(i,j-1,k)) / 3;
break;
case BACKTOPLEFTCORNER:
P(i,j,k) = (P(i,j,k+1) + P(i-1,j,k) + P(i,j+1,k)) / 3;
break;
case BACKTOPRIGHTCORNER:
P(i,j,k) = (P(i,j,k+1) + P(i+1,j,k) + P(i,j+1,k)) / 3;
break;
case BACKBOTTOMLEFTCORNER:
P(i,j,k) = (P(i,j,k+1) + P(i-1,j,k) + P(i,j-1,k)) / 3;
break;
case BACKBOTTOMRIGHTCORNER:
P(i,j,k) = (P(i,j,k+1) + P(i+1,j,k) + P(i,j-1,k)) / 3;
break;
}
}
}
}
}

66
BasicSolver/3D-mpi/src/solver.h

@ -10,7 +10,46 @@
#include "grid.h" #include "grid.h"
#include "parameter.h" #include "parameter.h"
enum OBJECTBOUNDARY {
NONE = 0,
/* Front Corners */
FRONTTOPLEFTCORNER,
FRONTTOPRIGHTCORNER,
FRONTBOTTOMLEFTCORNER,
FRONTBOTTOMRIGHTCORNER,
/* Back Corners */
BACKTOPLEFTCORNER,
BACKTOPRIGHTCORNER,
BACKBOTTOMLEFTCORNER,
BACKBOTTOMRIGHTCORNER,
/* Faces */
FRONTFACE,
BACKFACE,
LEFTFACE,
RIGHTFACE,
TOPFACE,
BOTTOMFACE,
/* Front Lines remaining after Corners and Faces */
FRONTLEFTLINE,
FRONTRIGHTLINE,
FRONTTOPLINE,
FRONTBOTTOMLINE,
/* Bottom Lines remaining after Corners and Faces */
BACKLEFTLINE,
BACKRIGHTLINE,
BACKTOPLINE,
BACKBOTTOMLINE,
/* Mid Lines remaining after Corners and Faces */
MIDTOPLEFTLINE,
MIDTOPRIGHTLINE,
MIDBOTTOMLEFTLINE,
MIDBOTTOMRIGHTLINE,
/* Local where its an object but not a boundary */
LOCAL
};
enum BC { NOSLIP = 1, SLIP, OUTFLOW, PERIODIC }; enum BC { NOSLIP = 1, SLIP, OUTFLOW, PERIODIC };
enum SHAPE { NOSHAPE = 0, RECT, CIRCLE };
typedef struct { typedef struct {
/* geometry and grid information */ /* geometry and grid information */
@ -19,6 +58,8 @@ typedef struct {
double *p, *rhs; double *p, *rhs;
double *f, *g, *h; double *f, *g, *h;
double *u, *v, *w; double *u, *v, *w;
int* seg;
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;
@ -33,15 +74,18 @@ typedef struct {
Comm comm; Comm comm;
} Solver; } Solver;
void initSolver(Solver*, Parameter*); extern void initSolver(Solver*, Parameter*);
void computeRHS(Solver*); extern void computeRHS(Solver*);
void solve(Solver*); extern void solve(Solver*);
void solveRB(Solver*); extern void solveRB(Solver*);
void solveRBA(Solver*); extern void solveRBA(Solver*);
void normalizePressure(Solver*); extern void normalizePressure(Solver*);
void computeTimestep(Solver*); extern void computeTimestep(Solver*);
void setBoundaryConditions(Solver*); extern void setBoundaryConditions(Solver*);
void setSpecialBoundaryCondition(Solver*); extern void setSpecialBoundaryCondition(Solver*);
void computeFG(Solver*); extern void setObjectBoundaryCondition(Solver*);
void adaptUV(Solver*); extern void setObjectPBoundaryCondition(Solver*);
extern void computeFG(Solver*);
extern void adaptUV(Solver*);
#endif #endif

1
BasicSolver/3D-seq/src/particletracing.c

@ -179,6 +179,7 @@ void advanceParticles(ParticleTracer* particletracer, double* restrict u, double
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;