Completed migrating PT to 3D MPI w/o MPI IO
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@ -50,9 +50,9 @@ int main (int argc, char** argv)
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initSolver(&solver, ¶ms);
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initParticleTracer(&particletracer, ¶ms, &solver);
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if (rank == 0) {
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if (rank == 0)
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{
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printParameter(¶ms);
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}
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printParticleTracerParameters(&particletracer);
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8011
BasicSolver/3D-mpi/canal-p1.vtk
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8011
BasicSolver/3D-mpi/canal-p1.vtk
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File diff suppressed because it is too large
Load Diff
8011
BasicSolver/3D-mpi/canal-p10.vtk
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8011
BasicSolver/3D-mpi/canal-p10.vtk
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@ -38,7 +38,7 @@ kmax 10 # number of interior cells in z-direction
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# Time Data:
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# ---------
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te 100.0 # final time
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te 60.0 # final time
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dt 0.02 # time stepsize
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tau 0.5 # safety factor for time stepsize control (<0 constant delt)
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@ -50,4 +50,19 @@ eps 0.0001 # stopping tolerance for pressure iteration
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rho 0.52
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omg 1.3 # relaxation parameter for SOR iteration
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gamma 0.9 # upwind differencing factor gamma
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# Particle Tracing Data:
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# -----------------------
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numberOfParticles 30
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startTime 10
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injectTimePeriod 2.0
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writeTimePeriod 2.0
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x1 1.0
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y1 0.0
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z1 1.0
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x2 1.0
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y2 4.0
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z2 1.0
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#===============================================================================
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128011
BasicSolver/3D-mpi/dcavity-p8.vtk
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128011
BasicSolver/3D-mpi/dcavity-p8.vtk
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File diff suppressed because it is too large
Load Diff
@ -38,7 +38,7 @@ kmax 40 # number of interior cells in z-direction
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# Time Data:
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# ---------
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te 10.0 # final time
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te 50.0 # final time
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dt 0.02 # time stepsize
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tau 0.5 # safety factor for time stepsize control (<0 constant delt)
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@ -50,4 +50,19 @@ eps 0.001 # stopping tolerance for pressure iteration
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rho 0.5
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omg 1.8 # relaxation parameter for SOR iteration
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gamma 0.9 # upwind differencing factor gamma
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# Particle Tracing Data:
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# -----------------------
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numberOfParticles 30
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startTime 10
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injectTimePeriod 3.0
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writeTimePeriod 1.0
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x1 0.1
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y1 0.0
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z1 1.0
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x2 1.0
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y2 4.0
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z2 1.0
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#===============================================================================
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@ -475,9 +475,17 @@ void commInit(Comm* c, int kmax, int jmax, int imax)
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MPI_Cart_shift(c->comm, KCORD, 1, &c->neighbours[FRONT], &c->neighbours[BACK]);
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MPI_Cart_get(c->comm, NCORDS, c->dims, periods, c->coords);
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c->imaxLocal = sizeOfRank(c->coords[IDIM], dims[ICORD], imax);
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c->imaxLocal = sizeOfRank(c->coords[KDIM], dims[ICORD], imax);
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//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);
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c->jmaxLocal = sizeOfRank(c->coords[JDIM], dims[JCORD], jmax);
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c->kmaxLocal = sizeOfRank(c->coords[KDIM], dims[KCORD], kmax);
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//printf("jmaxLocal : %d -> c->coords[JDIM] : %d , dims[JCORD] : %d, imax : %d\n", c->jmaxLocal, c->coords[JDIM], dims[JCORD], jmax);
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c->kmaxLocal = sizeOfRank(c->coords[IDIM], dims[KCORD], kmax);
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//printf("kmaxLocal : %d -> c->coords[KDIM] : %d , dims[KCORD] : %d, imax : %d\n", c->kmaxLocal, c->coords[KDIM], dims[KCORD], kmax);
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// sizeOfRank(int rank, int size, int N)
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// { return N / size + ((N % size > rank) ? 1 : 0); }
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// setup buffer types for communication
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setupCommunication(c, LEFT, BULK);
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@ -17,6 +17,7 @@
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#include "solver.h"
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#include "test.h"
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#include "timing.h"
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#include "particletracing.h"
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#include "vtkWriter.h"
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enum VARIANT { SOR = 1, RB, RBA };
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@ -28,6 +29,7 @@ int main(int argc, char** argv)
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double timeStart, timeStop;
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Parameter params;
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ParticleTracer particletracer;
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Solver solver;
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MPI_Init(&argc, &argv);
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@ -48,17 +50,20 @@ int main(int argc, char** argv)
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printParameter(¶ms);
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}
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initSolver(&solver, ¶ms);
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initParticleTracer(&particletracer, ¶ms, &solver);
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#ifndef VERBOSE
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initProgress(solver.te);
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#endif
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printParticleTracerParameters(&particletracer);
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double tau = solver.tau;
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double te = solver.te;
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double t = 0.0;
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int nt = 0;
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void (*solver_generic[])(solver) = {solve, solveRB, solveRBA};
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void (*solver_generic[])() = {solve, solveRB, solveRBA};
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timeStart = getTimeStamp();
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@ -69,8 +74,11 @@ int main(int argc, char** argv)
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computeFG(&solver);
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computeRHS(&solver);
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// if (nt % 100 == 0) normalizePressure(&solver);
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(*solver_generic[variant - 1])(&solver);
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solver_generic[variant - 1](&solver);
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adaptUV(&solver);
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trace(&particletracer, solver.u, solver.v, solver.w, t);
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t += solver.dt;
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nt++;
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@ -90,6 +90,18 @@ void readParameter(Parameter* param, const char* filename)
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PARSE_REAL(p_init);
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PARSE_REAL(rho);
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/* Added new particle tracing parameters */
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PARSE_INT(numberOfParticles);
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PARSE_REAL(startTime);
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PARSE_REAL(injectTimePeriod);
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PARSE_REAL(writeTimePeriod);
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PARSE_REAL(x1);
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PARSE_REAL(y1);
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PARSE_REAL(z1);
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PARSE_REAL(x2);
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PARSE_REAL(y2);
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PARSE_REAL(z2);
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}
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}
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@ -18,6 +18,11 @@ typedef struct {
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char* name;
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int bcLeft, bcRight, bcBottom, bcTop, bcFront, bcBack;
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double u_init, v_init, w_init, p_init;
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int numberOfParticles;
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double startTime, injectTimePeriod, writeTimePeriod;
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double x1, y1, z1, x2, y2, z2;
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} Parameter;
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void initParameter(Parameter*);
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613
BasicSolver/3D-mpi/src/particletracing.c
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613
BasicSolver/3D-mpi/src/particletracing.c
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@ -0,0 +1,613 @@
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/*
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* Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
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* All rights reserved. This file is part of nusif-solver.
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* Use of this source code is governed by a MIT style
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* license that can be found in the LICENSE file.
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*/
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#include <float.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "particletracing.h"
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#include "solver.h"
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#define U(i, j, k) u[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
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#define V(i, j, k) v[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
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#define W(i, j, k) w[(k) * (imaxLocal + 2) * (jmaxLocal + 2) + (j) * (imaxLocal + 2) + (i)]
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static int ts = 0;
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#define XOFFSET 0
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#define YOFFSET 1
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#define ZOFFSET 2
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#define XOFFSETEND 3
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#define YOFFSETEND 4
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#define ZOFFSETEND 5
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static double sum(int* sizes, int size)
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{
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double sum = 0;
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for (int i = 0; i < size; ++i)
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{
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sum += sizes[i];
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}
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return sum;
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}
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static double sumOffset(double* sizes, int init, int offset, int coord)
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{
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double sum = 0;
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for (int i = init - offset; coord > 0; i-=offset, --coord)
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{
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sum += sizes[i];
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}
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return sum;
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}
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void printParticles(ParticleTracer* particletracer)
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{
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for(int i = 0; i < particletracer->totalParticles; ++i)
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{
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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",
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particletracer->rank,
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particletracer->particlePool[i].x,
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particletracer->particlePool[i].y,
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particletracer->particlePool[i].flag,
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particletracer->totalParticles,
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particletracer->pointer,
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particletracer->xOffset, particletracer->yOffset,
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particletracer->xOffsetEnd, particletracer->yOffsetEnd);
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}
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}
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void injectParticles(ParticleTracer* particletracer)
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{
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double x, y, z;
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for(int i = 0; i < particletracer->numberOfParticles; ++i)
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{
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x = particletracer->linSpaceLine[i].x;
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y = particletracer->linSpaceLine[i].y;
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z = particletracer->linSpaceLine[i].z;
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if(x >= particletracer->xOffset && y >= particletracer->yOffset && z >= particletracer->zOffset && x <= particletracer->xOffsetEnd && y <= particletracer->yOffsetEnd && y <= particletracer->zOffsetEnd )
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{
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// printf("\nRank : %d\n", particletracer->rank);
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// printf("\t%.2f >= %.2f && %.2f >= %.2f && %.2f <= %.2f && %.2f <= %.2f\n",x , particletracer->xOffset ,y , particletracer->yOffset, x , particletracer->xOffsetEnd ,y , particletracer->yOffsetEnd);
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particletracer->particlePool[particletracer->pointer].x = x;
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particletracer->particlePool[particletracer->pointer].y = y;
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particletracer->particlePool[particletracer->pointer].z = z;
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particletracer->particlePool[particletracer->pointer].flag = true;
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++(particletracer->pointer);
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++(particletracer->totalParticles);
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}
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}
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}
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void advanceParticles(ParticleTracer* particletracer, double* restrict u, double* restrict v, double* restrict w,double time)
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{
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int imax = particletracer->imax;
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int jmax = particletracer->jmax;
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int kmax = particletracer->kmax;
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int imaxLocal = particletracer->imaxLocal;
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int jmaxLocal = particletracer->jmaxLocal;
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int kmaxLocal = particletracer->kmaxLocal;
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double dx = particletracer->dx;
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double dy = particletracer->dy;
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double dz = particletracer->dz;
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double xlength = particletracer->xlength;
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double ylength = particletracer->ylength;
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double zlength = particletracer->zlength;
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Particle buff[particletracer->size][30];
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for(int i = 0; i < particletracer->size; ++i)
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{
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for(int j = 0; j < 30; ++j)
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{
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buff[i][j].x = 0.0;
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buff[i][j].y = 0.0;
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buff[i][j].z = 0.0;
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buff[i][j].flag = false;
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}
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}
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int particleBufIndex[particletracer->size];
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memset(particleBufIndex, 0, sizeof(particleBufIndex));
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for(int i = 0; i < particletracer->totalParticles; ++i)
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{
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if(particletracer->particlePool[i].flag == true)
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{
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double xTemp = particletracer->particlePool[i].x;
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double yTemp = particletracer->particlePool[i].y;
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double zTemp = particletracer->particlePool[i].z;
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double x = xTemp - particletracer->xOffset;
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double y = yTemp - particletracer->yOffset;
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double z = zTemp - particletracer->zOffset;
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int iCoord = (int)(x / dx) + 1;
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int jCoord = (int)((y + 0.5 * dy) / dy) + 1;
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int kCoord = (int)((z + 0.5 * dz) / dz) + 1;
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double x1 = (double)(iCoord - 1) * dx;
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double y1 = ((double)(jCoord - 1) - 0.5) * dy;
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double z1 = ((double)(kCoord - 1) - 0.5) * dz;
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double x2 = (double)iCoord * dx;
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double y2 = ((double)jCoord - 0.5) * dy;
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double z2 = ((double)kCoord - 0.5) * dz;
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double u_n = (1.0 / (dx * dy * dz)) *
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(
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(x2 - x) * (y2 - y) * (z2 - z) * U(iCoord - 1, jCoord - 1, kCoord - 1) +
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(x - x1) * (y2 - y) * (z2 - z) * U(iCoord, jCoord - 1, kCoord - 1) +
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(x2 - x) * (y - y1) * (z2 - z) * U(iCoord - 1, jCoord, kCoord - 1) +
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(x - x1) * (y - y1) * (z2 - z) * U(iCoord, jCoord, kCoord - 1) +
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(x2 - x) * (y2 - y) * (z - z1) * U(iCoord - 1, jCoord - 1, kCoord) +
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(x - x1) * (y2 - y) * (z - z1) * U(iCoord, jCoord - 1, kCoord) +
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(x2 - x) * (y - y1) * (z - z1) * U(iCoord - 1, jCoord, kCoord) +
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(x - x1) * (y - y1) * (z - z1) * U(iCoord, jCoord, kCoord)
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);
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double new_x = (x + particletracer->xOffset) + particletracer->dt * u_n;
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particletracer->particlePool[i].x = new_x;
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iCoord = (int)((x + 0.5 * dx) / dx) + 1;
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jCoord = (int)(y / dy) + 1;
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kCoord = (int)((z + 0.5 * dz) / dz) + 1;
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x1 = ((double)(iCoord - 1) - 0.5) * dx;
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y1 = (double)(jCoord - 1) * dy;
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z1 = ((double)(kCoord - 1) - 0.5) * dz;
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x2 = ((double)iCoord - 0.5) * dx;
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y2 = (double)jCoord * dy;
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z2 = ((double)kCoord - 0.5) * dz;
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double v_n = (1.0 / (dx * dy * dz)) *
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(
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(x2 - x) * (y2 - y) * (z2 - z) * V(iCoord - 1, jCoord - 1, kCoord - 1) +
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(x - x1) * (y2 - y) * (z2 - z) * V(iCoord, jCoord - 1, kCoord - 1) +
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(x2 - x) * (y - y1) * (z2 - z) * V(iCoord - 1, jCoord, kCoord - 1) +
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(x - x1) * (y - y1) * (z2 - z) * V(iCoord, jCoord, kCoord - 1) +
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(x2 - x) * (y2 - y) * (z - z1) * V(iCoord - 1, jCoord - 1, kCoord) +
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(x - x1) * (y2 - y) * (z - z1) * V(iCoord, jCoord - 1, kCoord) +
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(x2 - x) * (y - y1) * (z - z1) * V(iCoord - 1, jCoord, kCoord) +
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(x - x1) * (y - y1) * (z - z1) * V(iCoord, jCoord, kCoord)
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);
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double new_y = (y + particletracer->yOffset) + particletracer->dt * v_n;
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particletracer->particlePool[i].y = new_y;
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iCoord = (int)((x + 0.5 * dx) / dx) + 1;
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jCoord = (int)((y + 0.5 * dy) / dy) + 1;
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kCoord = (int)(z / dz) + 1;
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x1 = ((double)(iCoord - 1) - 0.5) * dx;
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y1 = ((double)(jCoord - 1) - 0.5) * dy;
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z1 = (double)(kCoord - 1) * dz;
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x2 = ((double)iCoord - 0.5) * dx;
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y2 = ((double)jCoord - 0.5) * dy;
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z2 = (double)kCoord * dz;
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double w_n = (1.0 / (dx * dy * dz)) *
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(
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(x2 - x) * (y2 - y) * (z2 - z) * W(iCoord - 1, jCoord - 1, kCoord - 1) +
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(x - x1) * (y2 - y) * (z2 - z) * W(iCoord, jCoord - 1, kCoord - 1) +
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(x2 - x) * (y - y1) * (z2 - z) * W(iCoord - 1, jCoord, kCoord - 1) +
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(x - x1) * (y - y1) * (z2 - z) * W(iCoord, jCoord, kCoord - 1) +
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(x2 - x) * (y2 - y) * (z - z1) * W(iCoord - 1, jCoord - 1, kCoord) +
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(x - x1) * (y2 - y) * (z - z1) * W(iCoord, jCoord - 1, kCoord) +
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(x2 - x) * (y - y1) * (z - z1) * W(iCoord - 1, jCoord, kCoord) +
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(x - x1) * (y - y1) * (z - z1) * W(iCoord, jCoord, kCoord)
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);
|
||||
|
||||
double new_z = (z + particletracer->zOffset) + particletracer->dt * w_n;
|
||||
particletracer->particlePool[i].z = new_z;
|
||||
|
||||
// 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("\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);
|
||||
|
||||
if (((new_x < particletracer->xOffset) || (new_x >= particletracer->xOffsetEnd) ||
|
||||
(new_y < particletracer->yOffset) || (new_y >= particletracer->yOffsetEnd) ||
|
||||
(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)
|
||||
{
|
||||
if((new_x >= particletracer->offset[i + particletracer->size * XOFFSET]) &&
|
||||
(new_x <= particletracer->offset[i + particletracer->size * XOFFSETEND]) &&
|
||||
(new_y >= particletracer->offset[i + particletracer->size * YOFFSET]) &&
|
||||
(new_y <= particletracer->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]].y = new_y;
|
||||
buff[i][particleBufIndex[i]].z = new_z;
|
||||
buff[i][particleBufIndex[i]].flag = true;
|
||||
++particleBufIndex[i];
|
||||
}
|
||||
}
|
||||
particletracer->particlePool[i].flag = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for(int i = 0; i < particletracer->size; ++i)
|
||||
{
|
||||
if(i != particletracer->rank)
|
||||
{
|
||||
MPI_Send(buff[i], 30, particletracer->mpi_particle, i, 0, particletracer->comm);
|
||||
}
|
||||
}
|
||||
for(int i = 0; i < particletracer->size; ++i)
|
||||
{
|
||||
if(i != particletracer->rank)
|
||||
{
|
||||
MPI_Recv(buff[i], 30, particletracer->mpi_particle, i, 0, particletracer->comm, MPI_STATUS_IGNORE);
|
||||
}
|
||||
}
|
||||
for(int i = 0; i < particletracer->size; ++i)
|
||||
{
|
||||
if(i != particletracer->rank)
|
||||
{
|
||||
for(int j = 0; j < 30; ++j)
|
||||
{
|
||||
if(buff[i][j].flag == true)
|
||||
{
|
||||
particletracer->particlePool[particletracer->pointer].x = buff[i][j].x;
|
||||
particletracer->particlePool[particletracer->pointer].y = buff[i][j].y;
|
||||
particletracer->particlePool[particletracer->pointer].z = buff[i][j].z;
|
||||
particletracer->particlePool[particletracer->pointer].flag = true;
|
||||
++(particletracer->pointer);
|
||||
++(particletracer->totalParticles);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void freeParticles(ParticleTracer* particletracer)
|
||||
{
|
||||
free(particletracer->particlePool);
|
||||
free(particletracer->linSpaceLine);
|
||||
free(particletracer->offset);
|
||||
}
|
||||
|
||||
void writeParticles(ParticleTracer* particletracer)
|
||||
{
|
||||
int collectedBuffIndex[particletracer->size];
|
||||
|
||||
MPI_Gather(&particletracer->totalParticles, 1, MPI_INT, collectedBuffIndex, 1, MPI_INT, 0, particletracer->comm);
|
||||
|
||||
if(particletracer->rank != 0)
|
||||
{
|
||||
Particle buff[particletracer->totalParticles];
|
||||
for(int i = 0; i < particletracer->totalParticles; ++i)
|
||||
{
|
||||
buff[i].x = particletracer->particlePool[i].x;
|
||||
buff[i].y = particletracer->particlePool[i].y;
|
||||
buff[i].z = particletracer->particlePool[i].z;
|
||||
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);
|
||||
}
|
||||
MPI_Send(buff, particletracer->totalParticles, particletracer->mpi_particle, 0, 1, particletracer->comm);
|
||||
}
|
||||
if(particletracer->rank == 0)
|
||||
{
|
||||
char filename[50];
|
||||
FILE* fp;
|
||||
|
||||
snprintf(filename, 50, "vtk_files/particles_%d.vtk", ts);
|
||||
fp = fopen(filename, "w");
|
||||
|
||||
if (fp == NULL) {
|
||||
printf("Error!\n");
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
fprintf(fp, "# vtk DataFile Version 3.0\n");
|
||||
fprintf(fp, "PAMPI cfd solver particle tracing file\n");
|
||||
fprintf(fp, "ASCII\n");
|
||||
|
||||
|
||||
fprintf(fp, "DATASET UNSTRUCTURED_GRID\n");
|
||||
fprintf(fp, "FIELD FieldData 2\n");
|
||||
fprintf(fp, "TIME 1 1 double\n");
|
||||
fprintf(fp, "%d\n", ts);
|
||||
fprintf(fp, "CYCLE 1 1 int\n");
|
||||
fprintf(fp, "1\n");
|
||||
|
||||
int overallTotalParticles = sum(collectedBuffIndex, particletracer->size);
|
||||
|
||||
fprintf(fp, "POINTS %d float\n", overallTotalParticles);
|
||||
|
||||
printf("Total particles : %d\n", overallTotalParticles);
|
||||
|
||||
for (int i = 1; i < particletracer->size; ++i)
|
||||
{
|
||||
Particle recvBuff[collectedBuffIndex[i]];
|
||||
MPI_Recv(&recvBuff, collectedBuffIndex[i], particletracer->mpi_particle, i, 1, particletracer->comm, MPI_STATUS_IGNORE);
|
||||
|
||||
for (int j = 0; j < collectedBuffIndex[i]; ++j)
|
||||
{
|
||||
double x = recvBuff[j].x;
|
||||
double y = recvBuff[j].y;
|
||||
double z = recvBuff[j].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);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
for (int i = 0; i < particletracer->totalParticles; ++i)
|
||||
{
|
||||
double x = particletracer->particlePool[i].x;
|
||||
double y = particletracer->particlePool[i].y;
|
||||
double z = particletracer->particlePool[i].z;
|
||||
fprintf(fp, "%f %f %f\n", x, y, z);
|
||||
}
|
||||
|
||||
fprintf(fp, "CELLS %d %d\n", overallTotalParticles, 2 * overallTotalParticles);
|
||||
|
||||
|
||||
for (int i = 0; i < overallTotalParticles; ++i)
|
||||
{
|
||||
fprintf(fp, "1 %d\n", i);
|
||||
}
|
||||
|
||||
fprintf(fp, "CELL_TYPES %d\n", overallTotalParticles);
|
||||
|
||||
|
||||
for (int i = 0; i < overallTotalParticles; ++i)
|
||||
{
|
||||
fprintf(fp, "1\n");
|
||||
}
|
||||
|
||||
fclose(fp);
|
||||
}
|
||||
|
||||
++ts;
|
||||
}
|
||||
|
||||
void initParticleTracer(ParticleTracer* particletracer, Parameter* params, Solver* solver)
|
||||
{
|
||||
/* initializing local properties from params */
|
||||
|
||||
particletracer->numberOfParticles = params->numberOfParticles;
|
||||
particletracer->startTime = params->startTime;
|
||||
particletracer->injectTimePeriod = params->injectTimePeriod;
|
||||
particletracer->writeTimePeriod = params->writeTimePeriod;
|
||||
|
||||
particletracer->dt = params->dt;
|
||||
particletracer->dx = params->xlength / params->imax;
|
||||
particletracer->dy = params->ylength / params->jmax;
|
||||
particletracer->dz = params->zlength / params->kmax;
|
||||
|
||||
particletracer->xlength = params->xlength;
|
||||
particletracer->ylength = params->ylength;
|
||||
particletracer->zlength = params->zlength;
|
||||
|
||||
particletracer->x1 = params->x1;
|
||||
particletracer->y1 = params->y1;
|
||||
particletracer->z1 = params->z1;
|
||||
particletracer->x2 = params->x2;
|
||||
particletracer->y2 = params->y2;
|
||||
particletracer->z2 = params->z2;
|
||||
|
||||
particletracer->lastInjectTime = params->startTime;
|
||||
particletracer->lastUpdateTime = params->startTime;
|
||||
particletracer->lastWriteTime = params->startTime;
|
||||
|
||||
particletracer->pointer = 0;
|
||||
particletracer->totalParticles = 0;
|
||||
|
||||
particletracer->imax = params->imax;
|
||||
particletracer->jmax = params->jmax;
|
||||
particletracer->kmax = params->kmax;
|
||||
|
||||
particletracer->imaxLocal = solver->comm.imaxLocal;
|
||||
particletracer->jmaxLocal = solver->comm.jmaxLocal;
|
||||
particletracer->kmaxLocal = solver->comm.kmaxLocal;
|
||||
|
||||
particletracer->estimatedNumParticles = (particletracer->imaxLocal * particletracer->jmaxLocal * particletracer->kmaxLocal);
|
||||
|
||||
particletracer->particlePool = malloc(sizeof(Particle) * particletracer->estimatedNumParticles);
|
||||
|
||||
for(int i = 0; i < particletracer->estimatedNumParticles; ++i)
|
||||
{
|
||||
particletracer->particlePool[i].x = 0.0;
|
||||
particletracer->particlePool[i].y = 0.0;
|
||||
particletracer->particlePool[i].z = 0.0;
|
||||
particletracer->particlePool[i].flag = false;
|
||||
}
|
||||
|
||||
particletracer->linSpaceLine = malloc(sizeof(Particle) * particletracer->numberOfParticles);
|
||||
|
||||
/* duplicating communication from solver */
|
||||
MPI_Comm_dup(solver->comm.comm, &particletracer->comm);
|
||||
|
||||
particletracer->rank = solver->comm.rank;
|
||||
particletracer->size = solver->comm.size;
|
||||
|
||||
particletracer->offset = (double *)malloc(sizeof(double) * 4 * particletracer->size);
|
||||
|
||||
|
||||
memcpy(particletracer->dims, solver->comm.dims, sizeof(solver->comm.dims));
|
||||
|
||||
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];
|
||||
|
||||
MPI_Allgather(&particletracer->xLocal, 1, MPI_DOUBLE, xLocal, 1, MPI_DOUBLE, particletracer->comm);
|
||||
MPI_Allgather(&particletracer->yLocal, 1, MPI_DOUBLE, yLocal, 1, MPI_DOUBLE, particletracer->comm);
|
||||
MPI_Allgather(&particletracer->zLocal, 1, MPI_DOUBLE, zLocal, 1, MPI_DOUBLE, particletracer->comm);
|
||||
|
||||
particletracer->xOffset = sumOffset(xLocal, particletracer->rank, (particletracer->dims[1] * particletracer->dims[2]), particletracer->coords[0]);
|
||||
particletracer->yOffset = sumOffset(yLocal, particletracer->rank, particletracer->dims[2], particletracer->coords[1]);
|
||||
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);
|
||||
|
||||
MPI_Allgather(&particletracer->xOffset, 1, MPI_DOUBLE, offset[0], 1, 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));
|
||||
|
||||
|
||||
// if(particletracer->rank == 0)
|
||||
// {
|
||||
// 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]);
|
||||
// }
|
||||
// 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",
|
||||
// i, particletracer->offset[i + particletracer->size * XOFFSET],
|
||||
// particletracer->offset[i + particletracer->size * YOFFSET], 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)
|
||||
{
|
||||
// double spacing = (double)i / (double)(particletracer->numberOfParticles - 1);
|
||||
// particletracer->linSpaceLine[i].x = spacing * particletracer->x1 + (1.0 - spacing) * particletracer->x2;
|
||||
// particletracer->linSpaceLine[i].y = spacing * 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].y = (double) rand() / RAND_MAX * particletracer->ylength;
|
||||
particletracer->linSpaceLine[i].z = (double) rand() / RAND_MAX * particletracer->zlength;
|
||||
|
||||
particletracer->linSpaceLine[i].flag = true;
|
||||
}
|
||||
|
||||
|
||||
// Create the mpi_particle datatype
|
||||
MPI_Datatype mpi_particle;
|
||||
int lengths[4] = { 1, 1, 1, 1 };
|
||||
|
||||
MPI_Aint displacements[4];
|
||||
Particle dummy_particle;
|
||||
MPI_Aint base_address;
|
||||
MPI_Get_address(&dummy_particle, &base_address);
|
||||
MPI_Get_address(&dummy_particle.x, &displacements[0]);
|
||||
MPI_Get_address(&dummy_particle.y, &displacements[1]);
|
||||
MPI_Get_address(&dummy_particle.z, &displacements[2]);
|
||||
MPI_Get_address(&dummy_particle.flag, &displacements[3]);
|
||||
displacements[0] = MPI_Aint_diff(displacements[0], base_address);
|
||||
displacements[1] = MPI_Aint_diff(displacements[1], base_address);
|
||||
displacements[2] = MPI_Aint_diff(displacements[2], 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_Type_create_struct(4, lengths, displacements, types, &particletracer->mpi_particle);
|
||||
MPI_Type_commit(&particletracer->mpi_particle);
|
||||
|
||||
}
|
||||
|
||||
void printParticleTracerParameters(ParticleTracer* particletracer)
|
||||
{
|
||||
printf("Particle Tracing data:\n");
|
||||
printf("Rank : %d\n", particletracer->rank);
|
||||
printf("\tNumber of particles : %d being injected for every period of %.2f\n", particletracer->numberOfParticles, particletracer->injectTimePeriod);
|
||||
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("\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, double time)
|
||||
{
|
||||
if (time >= particletracer->startTime)
|
||||
{
|
||||
if( (time - particletracer->lastInjectTime) >= particletracer->injectTimePeriod)
|
||||
{
|
||||
injectParticles(particletracer);
|
||||
particletracer->lastInjectTime = time;
|
||||
}
|
||||
if( (time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod)
|
||||
{
|
||||
writeParticles(particletracer);
|
||||
particletracer->lastWriteTime = time;
|
||||
}
|
||||
advanceParticles(particletracer, u, v, w, time);
|
||||
compress(particletracer);
|
||||
particletracer->lastUpdateTime = time;
|
||||
}
|
||||
}
|
||||
|
||||
void compress(ParticleTracer* particletracer)
|
||||
{
|
||||
Particle* memPool = particletracer->particlePool;
|
||||
Particle tempPool[particletracer->totalParticles];
|
||||
|
||||
for(int i = 0; i < particletracer->totalParticles; ++i)
|
||||
{
|
||||
tempPool[i].x = 0.0;
|
||||
tempPool[i].y = 0.0;
|
||||
tempPool[i].z = 0.0;
|
||||
tempPool[i].flag = false;
|
||||
}
|
||||
int totalParticles = 0;
|
||||
|
||||
for(int i=0; i < particletracer->totalParticles; ++i)
|
||||
{
|
||||
if(memPool[i].flag == true)
|
||||
{
|
||||
tempPool[totalParticles].x = memPool[i].x;
|
||||
tempPool[totalParticles].y = memPool[i].y;
|
||||
tempPool[totalParticles].z = memPool[i].z;
|
||||
tempPool[totalParticles].flag = memPool[i].flag;
|
||||
++totalParticles;
|
||||
}
|
||||
}
|
||||
|
||||
particletracer->totalParticles = totalParticles;
|
||||
particletracer->pointer = totalParticles;
|
||||
|
||||
memcpy(particletracer->particlePool, tempPool, totalParticles * sizeof(Particle));
|
||||
}
|
||||
61
BasicSolver/3D-mpi/src/particletracing.h
Normal file
61
BasicSolver/3D-mpi/src/particletracing.h
Normal file
@ -0,0 +1,61 @@
|
||||
/*
|
||||
* Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
|
||||
* All rights reserved. This file is part of nusif-solver.
|
||||
* Use of this source code is governed by a MIT style
|
||||
* license that can be found in the LICENSE file.
|
||||
*/
|
||||
#ifndef __PARTICLETRACING_H_
|
||||
#define __PARTICLETRACING_H_
|
||||
#include "allocate.h"
|
||||
#include "parameter.h"
|
||||
#include "solver.h"
|
||||
#include <stdbool.h>
|
||||
#include <mpi.h>
|
||||
|
||||
#define NDIMS 3
|
||||
|
||||
typedef enum COORD { X = 0, Y, NCOORD } COORD;
|
||||
typedef struct
|
||||
{
|
||||
double x, y, z;
|
||||
bool flag;
|
||||
} Particle;
|
||||
|
||||
typedef struct {
|
||||
int numberOfParticles, totalParticles;
|
||||
double startTime, injectTimePeriod, writeTimePeriod, lastInjectTime, lastUpdateTime, lastWriteTime;
|
||||
|
||||
int estimatedNumParticles;
|
||||
|
||||
double dx, dy,dz, dt;
|
||||
Particle* linSpaceLine;
|
||||
Particle* particlePool;
|
||||
|
||||
int pointer;
|
||||
|
||||
double imax, jmax, kmax, xlength, ylength, zlength, imaxLocal, jmaxLocal, kmaxLocal;
|
||||
|
||||
double x1, y1, z1, x2, y2, z2;
|
||||
|
||||
MPI_Comm comm;
|
||||
MPI_Datatype mpi_particle;
|
||||
|
||||
int rank, size;
|
||||
int coords[NDIMS], dims[NDIMS];
|
||||
|
||||
double xLocal, yLocal, zLocal, xOffset, yOffset, zOffset, xOffsetEnd, yOffsetEnd, zOffsetEnd;
|
||||
|
||||
double* offset;
|
||||
|
||||
} ParticleTracer;
|
||||
|
||||
void initParticleTracer(ParticleTracer*, Parameter*, Solver* );
|
||||
void injectParticles(ParticleTracer*);
|
||||
void advanceParticles(ParticleTracer*, double* , double* , double* , double);
|
||||
void freeParticles(ParticleTracer*);
|
||||
void writeParticles(ParticleTracer*);
|
||||
void printParticleTracerParameters(ParticleTracer*);
|
||||
void printParticles(ParticleTracer*);
|
||||
void trace(ParticleTracer*, double* , double* , double* , double );
|
||||
void compress(ParticleTracer* );
|
||||
#endif
|
||||
@ -141,7 +141,7 @@ void initSolver(Solver* s, Parameter* params)
|
||||
s->dtBound = 0.5 * s->re * 1.0 / invSqrSum;
|
||||
|
||||
#ifdef VERBOSE
|
||||
printConfig(s);
|
||||
//printConfig(s);
|
||||
#endif /* VERBOSE */
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user