OilfieldToolsNet/LBPM
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
master
LBPM/models/FreeLeeModel.cpp
Thomas Ramstad 23189f5577
Clang format (#55) 
Run clang-format on modules of code
2021-11-08 22:58:37 +01:00

1402 lines
54 KiB
C++
Raw Permalink Blame History

/*
color lattice boltzmann model
*/
#include "models/FreeLeeModel.h"
#include "analysis/distance.h"
#include "analysis/morphology.h"
#include "common/Communication.h"
#include "common/ReadMicroCT.h"
#include <stdlib.h>
#include <time.h>
ScaLBL_FreeLeeModel::ScaLBL_FreeLeeModel(int RANK, int NP,
const Utilities::MPI &COMM)
: rank(RANK), nprocs(NP), Restart(0), timestep(0), timestepMax(2),
tauA(1.0), tauB(1.0), tauM(1.0), rhoA(1.0), rhoB(1.0), W(5.0),
gamma(0.001), kappa(0.0075), beta(0.0024), Fx(0), Fy(0), Fz(0), flux(0),
din(0), dout(0), inletA(0), inletB(0), outletA(0), outletB(0), tau(1.0),
rho0(1.0), Nx(0), Ny(0), Nz(0), N(0), Np(0), nprocx(0), nprocy(0),
nprocz(0), BoundaryCondition(0), Lx(0), Ly(0), Lz(0), comm(COMM) {}
ScaLBL_FreeLeeModel::~ScaLBL_FreeLeeModel() {}
void ScaLBL_FreeLeeModel::getPhase(DoubleArray &PhaseValues) {
DoubleArray PhaseWideHalo(Nxh, Nyh, Nzh);
ScaLBL_CopyToHost(PhaseWideHalo.data(), Phi, sizeof(double) * Nh);
// use halo width = 1 for analysis data
for (int k = 1; k < Nzh - 1; k++) {
for (int j = 1; j < Nyh - 1; j++) {
for (int i = 1; i < Nxh - 1; i++) {
PhaseValues(i - 1, j - 1, k - 1) = PhaseWideHalo(i, j, k);
}
}
}
}
void ScaLBL_FreeLeeModel::getPotential(DoubleArray &PressureValues,
DoubleArray &MuValues) {
ScaLBL_Comm->RegularLayout(Map, Pressure, PressureValues);
ScaLBL_Comm->Barrier();
comm.barrier();
ScaLBL_Comm->RegularLayout(Map, mu_phi, MuValues);
ScaLBL_Comm->Barrier();
comm.barrier();
}
void ScaLBL_FreeLeeModel::getVelocity(DoubleArray &Vel_x, DoubleArray &Vel_y,
DoubleArray &Vel_z) {
ScaLBL_Comm->RegularLayout(Map, &Velocity[0], Vel_x);
ScaLBL_Comm->Barrier();
comm.barrier();
ScaLBL_Comm->RegularLayout(Map, &Velocity[Np], Vel_y);
ScaLBL_Comm->Barrier();
comm.barrier();
ScaLBL_Comm->RegularLayout(Map, &Velocity[2 * Np], Vel_z);
ScaLBL_Comm->Barrier();
comm.barrier();
}
void ScaLBL_FreeLeeModel::getData_RegularLayout(const double *data,
DoubleArray &regdata) {
// Gets data (in optimized layout) from the HOST and stores in regular layout
// Primarly for debugging
int i, j, k, idx;
// initialize the array
regdata.fill(0.f);
double value;
for (k = 0; k < Nz; k++) {
for (j = 0; j < Ny; j++) {
for (i = 0; i < Nx; i++) {
idx = Map(i, j, k);
if (!(idx < 0)) {
value = data[idx];
regdata(i, j, k) = value;
}
}
}
}
}
void ScaLBL_FreeLeeModel::ReadParams(string filename) {
// read the input database
db = std::make_shared<Database>(filename);
domain_db = db->getDatabase("Domain");
freelee_db = db->getDatabase("FreeLee");
analysis_db = db->getDatabase("Analysis");
vis_db = db->getDatabase("Visualization");
// set defaults
timestepMax = 100000;
tauA = tauB = 1.0;
tauM = 1.0; //relaxation time for phase field
rhoA = rhoB = 1.0;
tau = 1.0; //only for single-fluid Lee model
rho0 = 1.0; //only for single-fluid Lee model
Fx = Fy = Fz = 0.0;
gamma = 1e-3; //surface tension
W = 5.0; //interfacial thickness
//beta = 12.0*gamma/W;
//kappa = 3.0*gamma*W/2.0;//beta and kappa are related to surface tension \gamma
beta = 0.75 * gamma / W;
kappa = 0.375 * gamma *
W; //beta and kappa are related to surface tension \gamma
Restart = false;
din = dout = 1.0;
flux = 0.0;
// Color Model parameters
if (freelee_db->keyExists("timestepMax")) {
timestepMax = freelee_db->getScalar<int>("timestepMax");
}
if (freelee_db->keyExists("tau")) { //only for single-fluid Lee model
tau = freelee_db->getScalar<double>("tau");
}
if (freelee_db->keyExists("tauA")) {
tauA = freelee_db->getScalar<double>("tauA");
}
if (freelee_db->keyExists("tauB")) {
tauB = freelee_db->getScalar<double>("tauB");
}
if (freelee_db->keyExists("tauM")) {
tauM = freelee_db->getScalar<double>("tauM");
}
if (freelee_db->keyExists("rho0")) {
rho0 = freelee_db->getScalar<double>("rho0");
}
if (freelee_db->keyExists("rhoA")) {
rhoA = freelee_db->getScalar<double>("rhoA");
}
if (freelee_db->keyExists("rhoB")) {
rhoB = freelee_db->getScalar<double>("rhoB");
}
if (freelee_db->keyExists("F")) {
Fx = freelee_db->getVector<double>("F")[0];
Fy = freelee_db->getVector<double>("F")[1];
Fz = freelee_db->getVector<double>("F")[2];
}
if (freelee_db->keyExists("gamma")) {
gamma = freelee_db->getScalar<double>("gamma");
}
if (freelee_db->keyExists("W")) {
W = freelee_db->getScalar<double>("W");
}
if (freelee_db->keyExists("Restart")) {
Restart = freelee_db->getScalar<bool>("Restart");
}
if (freelee_db->keyExists("din")) {
din = freelee_db->getScalar<double>("din");
}
if (freelee_db->keyExists("dout")) {
dout = freelee_db->getScalar<double>("dout");
}
if (freelee_db->keyExists("flux")) {
flux = freelee_db->getScalar<double>("flux");
}
inletA = 1.f;
inletB = 0.f;
outletA = 0.f;
outletB = 1.f;
//update secondary parameters
//beta = 12.0*gamma/W;
//kappa = 3.0*gamma*W/2.0;//beta and kappa are related to surface tension \gamma
beta = 0.75 * gamma / W;
kappa = 0.375 * gamma *
W; //beta and kappa are related to surface tension \gamma
//if (BoundaryCondition==4) flux *= rhoA; // mass flux must adjust for density (see formulation for details)
BoundaryCondition = 0;
if (domain_db->keyExists("BC")) {
BoundaryCondition = domain_db->getScalar<int>("BC");
}
}
void ScaLBL_FreeLeeModel::SetDomain() {
Dm = std::shared_ptr<Domain>(
new Domain(domain_db, comm)); // full domain for analysis
Mask = std::shared_ptr<Domain>(
new Domain(domain_db, comm)); // mask domain removes immobile phases
// domain parameters
Nx = Dm->Nx;
Ny = Dm->Ny;
Nz = Dm->Nz;
Lx = Dm->Lx;
Ly = Dm->Ly;
Lz = Dm->Lz;
N = Nx * Ny * Nz;
Nxh = Nx + 2;
Nyh = Ny + 2;
Nzh = Nz + 2;
Nh = Nxh * Nyh * Nzh;
id = new signed char[N];
for (int i = 0; i < Nx * Ny * Nz; i++)
Dm->id[i] = 1; // initialize this way
comm.barrier();
Dm->CommInit();
comm.barrier();
// Read domain parameters
rank = Dm->rank();
nprocx = Dm->nprocx();
nprocy = Dm->nprocy();
nprocz = Dm->nprocz();
}
void ScaLBL_FreeLeeModel::ReadInput() {
sprintf(LocalRankString, "%05d", rank);
sprintf(LocalRankFilename, "%s%s", "ID.", LocalRankString);
sprintf(LocalRestartFile, "%s%s", "Restart.", LocalRankString);
if (freelee_db->keyExists("image_sequence")) {
auto ImageList = freelee_db->getVector<std::string>("image_sequence");
int IMAGE_INDEX = freelee_db->getWithDefault<int>("image_index", 0);
std::string first_image = ImageList[IMAGE_INDEX];
Mask->Decomp(first_image);
IMAGE_INDEX++;
} else if (domain_db->keyExists("GridFile")) {
// Read the local domain data
auto input_id = readMicroCT(*domain_db, MPI_COMM_WORLD);
// Fill the halo (assuming GCW of 1)
array<int, 3> size0 = {(int)input_id.size(0), (int)input_id.size(1),
(int)input_id.size(2)};
ArraySize size1 = {(size_t)Mask->Nx, (size_t)Mask->Ny,
(size_t)Mask->Nz};
ASSERT((int)size1[0] == size0[0] + 2 && (int)size1[1] == size0[1] + 2 &&
(int)size1[2] == size0[2] + 2);
fillHalo<signed char> fill(MPI_COMM_WORLD, Mask->rank_info, size0,
{1, 1, 1}, 0, 1);
Array<signed char> id_view;
id_view.viewRaw(size1, Mask->id.data());
fill.copy(input_id, id_view);
fill.fill(id_view);
} else if (domain_db->keyExists("Filename")) {
auto Filename = domain_db->getScalar<std::string>("Filename");
Mask->Decomp(Filename);
} else {
Mask->ReadIDs();
}
for (int i = 0; i < Nx * Ny * Nz; i++)
id[i] = Mask->id[i]; // save what was read
// Generate the signed distance map
// Initialize the domain and communication
Array<char> id_solid(Nx, Ny, Nz);
// Solve for the position of the solid phase
for (int k = 0; k < Nz; k++) {
for (int j = 0; j < Ny; j++) {
for (int i = 0; i < Nx; i++) {
int n = k * Nx * Ny + j * Nx + i;
// Initialize the solid phase
signed char label = Mask->id[n];
if (label > 0)
id_solid(i, j, k) = 1;
else
id_solid(i, j, k) = 0;
}
}
}
SignDist.resize(Nx, Ny, Nz);
// Initialize the signed distance function
for (int k = 0; k < Nz; k++) {
for (int j = 0; j < Ny; j++) {
for (int i = 0; i < Nx; i++) {
// Initialize distance to +/- 1
SignDist(i, j, k) = 2.0 * double(id_solid(i, j, k)) - 1.0;
}
}
}
if (rank == 0)
printf("Initialized solid phase -- Converting to Signed Distance "
"function \n");
CalcDist(SignDist, id_solid, *Mask);
if (rank == 0)
cout << "Domain set." << endl;
}
void ScaLBL_FreeLeeModel::Create_TwoFluid() {
/*
* This function creates the variables needed to run two-fluid Lee model
*/
//.........................................................
// Initialize communication structures in averaging domain
for (int i = 0; i < Nx * Ny * Nz; i++)
Dm->id[i] = Mask->id[i];
Mask->CommInit();
Np = Mask->PoreCount();
//...........................................................................
if (rank == 0)
printf("Create ScaLBL_Communicator \n");
// Create a communicator for the device (will use optimized layout)
// ScaLBL_Communicator ScaLBL_Comm(Mask); // original
ScaLBL_Comm =
std::shared_ptr<ScaLBL_Communicator>(new ScaLBL_Communicator(Mask));
//ScaLBL_Comm_Regular = std::shared_ptr<ScaLBL_Communicator>(new ScaLBL_Communicator(Mask));
ScaLBL_Comm_WideHalo = std::shared_ptr<ScaLBLWideHalo_Communicator>(
new ScaLBLWideHalo_Communicator(Mask, 2));
// create the layout for the LBM
int Npad = (Np / 16 + 2) * 16;
if (rank == 0)
printf("Set up memory efficient layout, %i | %i | %i \n", Np, Npad, N);
Map.resize(Nx, Ny, Nz);
Map.fill(-2);
auto neighborList = new int[18 * Npad];
Np = ScaLBL_Comm->MemoryOptimizedLayoutAA(Map, neighborList,
Mask->id.data(), Np, 2);
comm.barrier();
//...........................................................................
// MAIN VARIABLES ALLOCATED HERE
//...........................................................................
// LBM variables
if (rank == 0)
printf("Allocating distributions \n");
//......................device distributions.................................
dist_mem_size = Np * sizeof(double);
neighborSize = 18 * (Np * sizeof(int));
//...........................................................................
ScaLBL_AllocateDeviceMemory((void **)&NeighborList, neighborSize);
ScaLBL_AllocateDeviceMemory((void **)&dvcMap, sizeof(int) * Np);
ScaLBL_AllocateDeviceMemory((void **)&gqbar, 19 * dist_mem_size);
ScaLBL_AllocateDeviceMemory((void **)&hq, 7 * dist_mem_size);
ScaLBL_AllocateDeviceMemory((void **)&mu_phi, dist_mem_size);
ScaLBL_AllocateDeviceMemory((void **)&Den, dist_mem_size);
ScaLBL_AllocateDeviceMemory((void **)&Phi, sizeof(double) * Nh);
ScaLBL_AllocateDeviceMemory((void **)&Pressure, sizeof(double) * Np);
ScaLBL_AllocateDeviceMemory((void **)&Velocity, 3 * sizeof(double) * Np);
ScaLBL_AllocateDeviceMemory((void **)&ColorGrad, 3 * sizeof(double) * Np);
//...........................................................................
// Update GPU data structures
if (rank == 0)
printf("Setting up device map and neighbor list \n");
fflush(stdout);
int *TmpMap;
TmpMap = new int[Np];
for (int k = 1; k < Nz - 1; k++) {
for (int j = 1; j < Ny - 1; j++) {
for (int i = 1; i < Nx - 1; i++) {
int idx = Map(i, j, k);
if (!(idx < 0))
TmpMap[idx] = ScaLBL_Comm_WideHalo->Map(i, j, k);
}
}
}
// check that TmpMap is valid
for (int idx = 0; idx < ScaLBL_Comm->LastExterior(); idx++) {
auto n = TmpMap[idx];
if (n > Nxh * Nyh * Nzh) {
printf("Bad value! idx=%i \n", n);
TmpMap[idx] = Nxh * Nyh * Nzh - 1;
}
}
for (int idx = ScaLBL_Comm->FirstInterior();
idx < ScaLBL_Comm->LastInterior(); idx++) {
auto n = TmpMap[idx];
if (n > Nxh * Nyh * Nzh) {
printf("Bad value! idx=%i \n", n);
TmpMap[idx] = Nxh * Nyh * Nzh - 1;
}
}
// copy the device map
ScaLBL_CopyToDevice(dvcMap, TmpMap, sizeof(int) * Np);
// copy the neighbor list
ScaLBL_CopyToDevice(NeighborList, neighborList, neighborSize);
comm.barrier();
delete[] TmpMap;
delete[] neighborList;
}
void ScaLBL_FreeLeeModel::Create_SingleFluid() {
/*
* This function creates the variables needed to run single-fluid Lee model
*/
//.........................................................
// Initialize communication structures in averaging domain
for (int i = 0; i < Nx * Ny * Nz; i++)
Dm->id[i] = Mask->id[i];
Mask->CommInit();
Np = Mask->PoreCount();
//...........................................................................
if (rank == 0)
printf("Create ScaLBL_Communicator \n");
// Create a communicator for the device (will use optimized layout)
// ScaLBL_Communicator ScaLBL_Comm(Mask); // original
ScaLBL_Comm =
std::shared_ptr<ScaLBL_Communicator>(new ScaLBL_Communicator(Mask));
// create the layout for the LBM
int Npad = (Np / 16 + 2) * 16;
if (rank == 0)
printf("Set up memory efficient layout, %i | %i | %i \n", Np, Npad, N);
Map.resize(Nx, Ny, Nz);
Map.fill(-2);
auto neighborList = new int[18 * Npad];
Np = ScaLBL_Comm->MemoryOptimizedLayoutAA(Map, neighborList,
Mask->id.data(), Np, 1);
comm.barrier();
//...........................................................................
// MAIN VARIABLES ALLOCATED HERE
//...........................................................................
// LBM variables
if (rank == 0)
printf("Allocating distributions \n");
//......................device distributions.................................
dist_mem_size = Np * sizeof(double);
neighborSize = 18 * (Np * sizeof(int));
//...........................................................................
ScaLBL_AllocateDeviceMemory((void **)&NeighborList, neighborSize);
ScaLBL_AllocateDeviceMemory((void **)&gqbar, 19 * dist_mem_size);
ScaLBL_AllocateDeviceMemory((void **)&Pressure, sizeof(double) * Np);
ScaLBL_AllocateDeviceMemory((void **)&Velocity, 3 * sizeof(double) * Np);
//...........................................................................
// Update GPU data structures
if (rank == 0)
printf("Setting up device map and neighbor list \n");
// copy the neighbor list
ScaLBL_CopyToDevice(NeighborList, neighborList, neighborSize);
comm.barrier();
delete[] neighborList;
}
void ScaLBL_FreeLeeModel::AssignComponentLabels_ChemPotential_ColorGrad() {
double *phase;
phase = new double[Nh];
size_t NLABELS = 0;
signed char VALUE = 0;
double AFFINITY = 0.f;
auto LabelList = freelee_db->getVector<int>("ComponentLabels");
auto AffinityList = freelee_db->getVector<double>("ComponentAffinity");
NLABELS = LabelList.size();
if (NLABELS != AffinityList.size()) {
ERROR("Error: ComponentLabels and ComponentAffinity must be the same "
"length! \n");
}
double *label_count;
double *label_count_global;
label_count = new double[NLABELS];
label_count_global = new double[NLABELS];
// Assign the labels
for (size_t idx = 0; idx < NLABELS; idx++)
label_count[idx] = 0;
for (int k = 0; k < Nzh; k++) {
for (int j = 0; j < Nyh; j++) {
for (int i = 0; i < Nxh; i++) {
//idx for double-halo array 'phase'
int nh = k * Nxh * Nyh + j * Nxh + i;
//idx for single-halo array Mask->id[n]
int x = i - 1;
int y = j - 1;
int z = k - 1;
if (x < 0)
x = 0;
if (y < 0)
y = 0;
if (z < 0)
z = 0;
if (x >= Nx)
x = Nx - 1;
if (y >= Ny)
y = Ny - 1;
if (z >= Nz)
z = Nz - 1;
int n = z * Nx * Ny + y * Nx + x;
VALUE = id[n];
// Assign the affinity from the paired list
for (unsigned int idx = 0; idx < NLABELS; idx++) {
//printf("idx=%i, value=%i, %i, \n",idx, VALUE,LabelList[idx]);
if (VALUE == LabelList[idx]) {
AFFINITY = AffinityList[idx];
label_count[idx] += 1.0;
idx = NLABELS;
//Mask->id[n] = 0; // set mask to zero since this is an immobile component
}
}
// fluid labels are reserved
if (VALUE == 1)
AFFINITY = 1.0;
else if (VALUE == 2)
AFFINITY = -1.0;
phase[nh] = AFFINITY;
}
}
}
// Set Dm to match Mask
for (int i = 0; i < Nx * Ny * Nz; i++)
Dm->id[i] = Mask->id[i];
for (size_t idx = 0; idx < NLABELS; idx++)
label_count_global[idx] = Dm->Comm.sumReduce(label_count[idx]);
if (rank == 0) {
printf("Number of component labels: %lu \n", NLABELS);
for (unsigned int idx = 0; idx < NLABELS; idx++) {
VALUE = LabelList[idx];
AFFINITY = AffinityList[idx];
double volume_fraction =
double(label_count_global[idx]) /
double((Nx - 2) * (Ny - 2) * (Nz - 2) * nprocs);
printf(" label=%d, affinity=%f, volume fraction==%f\n", VALUE,
AFFINITY, volume_fraction);
}
}
//compute color gradient and laplacian of phase field
double *ColorGrad_host, *mu_phi_host;
ColorGrad_host = new double[3 * Np];
mu_phi_host = new double[Np];
double *Dst;
Dst = new double[3 * 3 * 3];
for (int kk = 0; kk < 3; kk++) {
for (int jj = 0; jj < 3; jj++) {
for (int ii = 0; ii < 3; ii++) {
int index = kk * 9 + jj * 3 + ii;
Dst[index] = sqrt(double(ii - 1) * double(ii - 1) +
double(jj - 1) * double(jj - 1) +
double(kk - 1) * double(kk - 1));
}
}
}
double w_face = 1.0 / 18.0;
double w_edge = 1.0 / 36.0;
double w_corner = 0.f;
//local
Dst[13] = 0.f;
//faces
Dst[4] = w_face;
Dst[10] = w_face;
Dst[12] = w_face;
Dst[14] = w_face;
Dst[16] = w_face;
Dst[22] = w_face;
// corners
Dst[0] = w_corner;
Dst[2] = w_corner;
Dst[6] = w_corner;
Dst[8] = w_corner;
Dst[18] = w_corner;
Dst[20] = w_corner;
Dst[24] = w_corner;
Dst[26] = w_corner;
// edges
Dst[1] = w_edge;
Dst[3] = w_edge;
Dst[5] = w_edge;
Dst[7] = w_edge;
Dst[9] = w_edge;
Dst[11] = w_edge;
Dst[15] = w_edge;
Dst[17] = w_edge;
Dst[19] = w_edge;
Dst[21] = w_edge;
Dst[23] = w_edge;
Dst[25] = w_edge;
double cs2_inv = 3.0; //inverse of c_s^2 for D3Q19 lattice
int width =
2; //For better readability: make halo width explicity wherever possible
for (int k = width; k < Nzh - width; k++) {
for (int j = width; j < Nyh - width; j++) {
for (int i = width; i < Nxh - width; i++) {
//idx for double-halo array 'phase'
int nh = k * Nxh * Nyh + j * Nxh + i;
int idx = Map(i - width + 1, j - width + 1, k - width + 1);
if (!(idx < 0)) {
double phi_x = 0.f;
double phi_y = 0.f;
double phi_z = 0.f;
double phi_Lap = 0.f; //Laplacian of the phase field
for (int kk = 0; kk < 3; kk++) {
for (int jj = 0; jj < 3; jj++) {
for (int ii = 0; ii < 3; ii++) {
int index = kk * 9 + jj * 3 + ii;
double weight = Dst[index];
int idi = i + ii - 1;
int idj = j + jj - 1;
int idk = k + kk - 1;
if (idi < 0)
idi = 0;
if (idj < 0)
idj = 0;
if (idk < 0)
idk = 0;
if (!(idi < Nxh))
idi = Nxh - 1;
if (!(idj < Nyh))
idj = Nyh - 1;
if (!(idk < Nzh))
idk = Nzh - 1;
int nn = idk * Nxh * Nyh + idj * Nxh + idi;
double vec_x = double(ii - 1);
double vec_y = double(jj - 1);
double vec_z = double(kk - 1);
double GWNS = phase[nn];
double GWNS_local = phase[nh];
phi_x += GWNS * weight * vec_x;
phi_y += GWNS * weight * vec_y;
phi_z += GWNS * weight * vec_z;
phi_Lap +=
weight *
(GWNS -
GWNS_local); //Laplacian of the phase field
}
}
}
//store color gradient
ColorGrad_host[idx + 0 * Np] = cs2_inv * phi_x;
ColorGrad_host[idx + 1 * Np] = cs2_inv * phi_y;
ColorGrad_host[idx + 2 * Np] = cs2_inv * phi_z;
//compute chemical potential
phi_Lap = 2.0 * cs2_inv * phi_Lap;
mu_phi_host[idx] = 4.0 * beta * phase[nh] *
(phase[nh] + 1.0) *
(phase[nh] - 1.0) -
kappa * phi_Lap;
}
}
}
}
//copy all data to device
ScaLBL_CopyToDevice(Phi, phase, Nh * sizeof(double));
ScaLBL_CopyToDevice(ColorGrad, ColorGrad_host, 3 * Np * sizeof(double));
ScaLBL_CopyToDevice(mu_phi, mu_phi_host, Np * sizeof(double));
ScaLBL_Comm->Barrier();
comm.barrier();
//debug
//save the phase field and check it
//FILE *OUTFILE;
//sprintf(LocalRankFilename,"Phase_Init.%05i.raw",rank);
//OUTFILE = fopen(LocalRankFilename,"wb");
//fwrite(phase,8,Nh,OUTFILE);
//fclose(OUTFILE);
DoubleArray PhaseField(Nx, Ny, Nz);
FILE *OUTFILE;
getData_RegularLayout(mu_phi_host, PhaseField);
sprintf(LocalRankFilename, "Chem_Init.%05i.raw", rank);
OUTFILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, OUTFILE);
fclose(OUTFILE);
getData_RegularLayout(&ColorGrad_host[0], PhaseField);
FILE *CGX_FILE;
sprintf(LocalRankFilename, "Gradient_X_Init.%05i.raw", rank);
CGX_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, CGX_FILE);
fclose(CGX_FILE);
getData_RegularLayout(&ColorGrad_host[Np], PhaseField);
FILE *CGY_FILE;
sprintf(LocalRankFilename, "Gradient_Y_Init.%05i.raw", rank);
CGY_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, CGY_FILE);
fclose(CGY_FILE);
getData_RegularLayout(&ColorGrad_host[2 * Np], PhaseField);
FILE *CGZ_FILE;
sprintf(LocalRankFilename, "Gradient_Z_Init.%05i.raw", rank);
CGZ_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, CGZ_FILE);
fclose(CGZ_FILE);
delete[] phase;
delete[] ColorGrad_host;
delete[] mu_phi_host;
delete[] Dst;
}
void ScaLBL_FreeLeeModel::Initialize_TwoFluid() {
/*
* This function initializes two-fluid Lee model
*/
if (rank == 0)
printf("Initializing phase field, chemical potential and color "
"gradient\n");
AssignComponentLabels_ChemPotential_ColorGrad(); //initialize phase field Phi
if (rank == 0)
printf("Initializing distributions for momentum transport\n");
ScaLBL_D3Q19_FreeLeeModel_TwoFluid_Init(gqbar, mu_phi, ColorGrad, Fx, Fy,
Fz, Np);
if (rank == 0)
printf("Initializing density field and distributions for phase-field "
"transport\n");
ScaLBL_FreeLeeModel_PhaseField_Init(dvcMap, Phi, Den, hq, ColorGrad, rhoA,
rhoB, tauM, W, 0,
ScaLBL_Comm->LastExterior(), Np);
ScaLBL_FreeLeeModel_PhaseField_Init(
dvcMap, Phi, Den, hq, ColorGrad, rhoA, rhoB, tauM, W,
ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
if (Restart == true) {
//TODO need to revise this function
if (rank == 0) {
printf("Reading restart file! \n");
}
// Read in the restart file to CPU buffers
int *TmpMap;
TmpMap = new int[Np];
double *cPhi, *cDist, *cDen;
cPhi = new double[N];
cDen = new double[2 * Np];
cDist = new double[19 * Np];
ScaLBL_CopyToHost(TmpMap, dvcMap, Np * sizeof(int));
//ScaLBL_CopyToHost(cPhi, Phi, N*sizeof(double));
ifstream File(LocalRestartFile, ios::binary);
int idx;
double value, va, vb;
for (int n = 0; n < Np; n++) {
File.read((char *)&va, sizeof(va));
File.read((char *)&vb, sizeof(vb));
cDen[n] = va;
cDen[Np + n] = vb;
}
for (int n = 0; n < Np; n++) {
// Read the distributions
for (int q = 0; q < 19; q++) {
File.read((char *)&value, sizeof(value));
cDist[q * Np + n] = value;
}
}
File.close();
for (int n = 0; n < ScaLBL_Comm->LastExterior(); n++) {
va = cDen[n];
vb = cDen[Np + n];
value = (va - vb) / (va + vb);
idx = TmpMap[n];
if (!(idx < 0) && idx < N)
cPhi[idx] = value;
}
for (int n = ScaLBL_Comm->FirstInterior();
n < ScaLBL_Comm->LastInterior(); n++) {
va = cDen[n];
vb = cDen[Np + n];
value = (va - vb) / (va + vb);
idx = TmpMap[n];
if (!(idx < 0) && idx < N)
cPhi[idx] = value;
}
// Copy the restart data to the GPU
ScaLBL_CopyToDevice(Den, cDen, 2 * Np * sizeof(double));
ScaLBL_CopyToDevice(gqbar, cDist, 19 * Np * sizeof(double));
ScaLBL_CopyToDevice(Phi, cPhi, N * sizeof(double));
ScaLBL_Comm->Barrier();
comm.barrier();
if (rank == 0)
printf("Initializing phase and density fields on device from "
"Restart\n");
//TODO the following function is to be updated.
//ScaLBL_FreeLeeModel_PhaseField_InitFromRestart(Den, hq, 0, ScaLBL_Comm->LastExterior(), Np);
//ScaLBL_FreeLeeModel_PhaseField_InitFromRestart(Den, hq, ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
}
// establish reservoirs for external bC
// TODO to be revised
if (BoundaryCondition == 1 || BoundaryCondition == 2 ||
BoundaryCondition == 3 || BoundaryCondition == 4) {
if (Dm->kproc() == 0) {
ScaLBL_SetSlice_z(Phi, 1.0, Nx, Ny, Nz, 0);
ScaLBL_SetSlice_z(Phi, 1.0, Nx, Ny, Nz, 1);
ScaLBL_SetSlice_z(Phi, 1.0, Nx, Ny, Nz, 2);
}
if (Dm->kproc() == nprocz - 1) {
ScaLBL_SetSlice_z(Phi, -1.0, Nx, Ny, Nz, Nz - 1);
ScaLBL_SetSlice_z(Phi, -1.0, Nx, Ny, Nz, Nz - 2);
ScaLBL_SetSlice_z(Phi, -1.0, Nx, Ny, Nz, Nz - 3);
}
}
//ScaLBL_CopyToHost(Averages->Phi.data(),Phi,N*sizeof(double));
}
void ScaLBL_FreeLeeModel::Initialize_SingleFluid() {
/*
* This function initializes single-fluid Lee model
*/
if (rank == 0)
printf("Initializing distributions for momentum transport\n");
ScaLBL_D3Q19_FreeLeeModel_SingleFluid_Init(gqbar, Fx, Fy, Fz, Np);
if (Restart == true) {
//TODO need to revise this function
//remove the phase-related part
}
}
double ScaLBL_FreeLeeModel::Run_TwoFluid(int returntime) {
int START_TIME = timestep;
int EXIT_TIME = min(returntime, timestepMax);
//************ MAIN ITERATION LOOP ***************************************/
comm.barrier();
auto t1 = std::chrono::system_clock::now();
PROFILE_START("Loop");
while (timestep < EXIT_TIME) {
//if ( rank==0 ) { printf("Running timestep %i (%i MB)\n",timestep+1,(int)(Utilities::getMemoryUsage()/1048576)); }
PROFILE_START("Update");
// *************ODD TIMESTEP*************
timestep++;
//-------------------------------------------------------------------------------------------------------------------
// Compute the Phase indicator field
// Read for hq happens in this routine (requires communication)
ScaLBL_Comm->SendD3Q7AA(hq, 0); //READ FROM NORMAL
ScaLBL_D3Q7_AAodd_FreeLeeModel_PhaseField(
NeighborList, dvcMap, hq, Den, Phi, rhoA, rhoB,
ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
//ScaLBL_D3Q7_AAodd_FreeLee_PhaseField(NeighborList, dvcMap, hq, Den, Phi, ColorGrad, Velocity, rhoA, rhoB, tauM, W, ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
ScaLBL_Comm->RecvD3Q7AA(hq, 0); //WRITE INTO OPPOSITE
ScaLBL_Comm->Barrier();
ScaLBL_D3Q7_AAodd_FreeLeeModel_PhaseField(
NeighborList, dvcMap, hq, Den, Phi, rhoA, rhoB, 0,
ScaLBL_Comm->LastExterior(), Np);
//ScaLBL_D3Q7_AAodd_FreeLee_PhaseField(NeighborList, dvcMap, hq, Den, Phi, ColorGrad, Velocity, rhoA, rhoB, tauM, W, 0, ScaLBL_Comm->LastExterior(), Np);
// Perform the collision operation
//ScaLBL_D3Q7_ComputePhaseField(dvcMap, hq, Den, Phi, rhoA, rhoB, 0, ScaLBL_Comm->LastInterior(), Np);
//ScaLBL_Comm_WideHalo->Send(Phi);
//ScaLBL_Comm_WideHalo->Recv(Phi);
ScaLBL_Comm->SendD3Q19AA(gqbar); //READ FROM NORMAL
if (BoundaryCondition > 0 && BoundaryCondition < 5) {
//TODO to be revised
// Need to add BC for hq!!!
ScaLBL_Comm->Color_BC_z(dvcMap, Phi, Den, inletA, inletB);
ScaLBL_Comm->Color_BC_Z(dvcMap, Phi, Den, outletA, outletB);
}
// Halo exchange for phase field
ScaLBL_Comm_WideHalo->Send(Phi);
//ScaLBL_D3Q19_AAodd_FreeLeeModel(NeighborList, dvcMap, gqbar, Den, Phi, mu_phi, Velocity, Pressure, ColorGrad, rhoA, rhoB, tauA, tauB,
// kappa, beta, W, Fx, Fy, Fz, Nxh, Nxh*Nyh, ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
ScaLBL_D3Q19_AAodd_FreeLeeModel_Combined(
NeighborList, dvcMap, gqbar, hq, Den, Phi, mu_phi, Velocity,
Pressure, ColorGrad, rhoA, rhoB, tauA, tauB, tauM, kappa, beta, W,
Fx, Fy, Fz, Nxh, Nxh * Nyh, ScaLBL_Comm->FirstInterior(),
ScaLBL_Comm->LastInterior(), Np);
ScaLBL_Comm_WideHalo->Recv(Phi);
ScaLBL_Comm->RecvD3Q19AA(gqbar); //WRITE INTO OPPOSITE
ScaLBL_Comm->Barrier();
// Set BCs
if (BoundaryCondition == 3) {
ScaLBL_Comm->D3Q19_Pressure_BC_z(NeighborList, gqbar, din,
timestep);
ScaLBL_Comm->D3Q19_Pressure_BC_Z(NeighborList, gqbar, dout,
timestep);
}
if (BoundaryCondition == 4) {
din = ScaLBL_Comm->D3Q19_Flux_BC_z(NeighborList, gqbar, flux,
timestep);
ScaLBL_Comm->D3Q19_Pressure_BC_Z(NeighborList, gqbar, dout,
timestep);
} else if (BoundaryCondition == 5) {
ScaLBL_Comm->D3Q19_Reflection_BC_z(gqbar);
ScaLBL_Comm->D3Q19_Reflection_BC_Z(gqbar);
}
//ScaLBL_D3Q19_AAodd_FreeLeeModel(NeighborList, dvcMap, gqbar, Den, Phi, mu_phi, Velocity, Pressure, ColorGrad, rhoA, rhoB, tauA, tauB,
// kappa, beta, W, Fx, Fy, Fz, Nxh, Nxh*Nyh, 0, ScaLBL_Comm->LastExterior(), Np);
ScaLBL_D3Q19_AAodd_FreeLeeModel_Combined(
NeighborList, dvcMap, gqbar, hq, Den, Phi, mu_phi, Velocity,
Pressure, ColorGrad, rhoA, rhoB, tauA, tauB, tauM, kappa, beta, W,
Fx, Fy, Fz, Nxh, Nxh * Nyh, 0, ScaLBL_Comm->LastExterior(), Np);
ScaLBL_Comm->Barrier();
// *************EVEN TIMESTEP*************
timestep++;
// Compute the Phase indicator field
ScaLBL_Comm->SendD3Q7AA(hq, 0); //READ FROM NORMA
ScaLBL_D3Q7_AAeven_FreeLeeModel_PhaseField(
dvcMap, hq, Den, Phi, rhoA, rhoB, ScaLBL_Comm->FirstInterior(),
ScaLBL_Comm->LastInterior(), Np);
//ScaLBL_D3Q7_AAeven_FreeLee_PhaseField(dvcMap, hq, Den, Phi, ColorGrad, Velocity, rhoA, rhoB, tauM, W, ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
ScaLBL_Comm->RecvD3Q7AA(hq, 0); //WRITE INTO OPPOSITE
ScaLBL_Comm->Barrier();
ScaLBL_D3Q7_AAeven_FreeLeeModel_PhaseField(
dvcMap, hq, Den, Phi, rhoA, rhoB, 0, ScaLBL_Comm->LastExterior(),
Np);
//ScaLBL_D3Q7_AAeven_FreeLee_PhaseField(dvcMap, hq, Den, Phi, ColorGrad, Velocity, rhoA, rhoB, tauM, W, 0, ScaLBL_Comm->LastExterior(), Np);
// Perform the collision operation
//ScaLBL_D3Q7_ComputePhaseField(dvcMap, hq, Den, Phi, rhoA, rhoB, ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
//ScaLBL_Comm_WideHalo->Send(Phi);
//ScaLBL_Comm_WideHalo->Recv(Phi);
ScaLBL_Comm->SendD3Q19AA(gqbar); //READ FORM NORMAL
if (BoundaryCondition > 0 && BoundaryCondition < 5) {
ScaLBL_Comm->Color_BC_z(dvcMap, Phi, Den, inletA, inletB);
ScaLBL_Comm->Color_BC_Z(dvcMap, Phi, Den, outletA, outletB);
}
// Halo exchange for phase field
ScaLBL_Comm_WideHalo->Send(Phi);
//ScaLBL_D3Q19_AAeven_FreeLeeModel(dvcMap, gqbar, Den, Phi, mu_phi, Velocity, Pressure, ColorGrad, rhoA, rhoB, tauA, tauB,
// kappa, beta, W, Fx, Fy, Fz, Nxh, Nxh*Nyh, ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
ScaLBL_D3Q19_AAeven_FreeLeeModel_Combined(
dvcMap, gqbar, hq, Den, Phi, mu_phi, Velocity, Pressure, ColorGrad,
rhoA, rhoB, tauA, tauB, tauM, kappa, beta, W, Fx, Fy, Fz, Nxh,
Nxh * Nyh, ScaLBL_Comm->FirstInterior(),
ScaLBL_Comm->LastInterior(), Np);
ScaLBL_Comm_WideHalo->Recv(Phi);
ScaLBL_Comm->RecvD3Q19AA(gqbar); //WRITE INTO OPPOSITE
ScaLBL_Comm->Barrier();
// Set boundary conditions
if (BoundaryCondition == 3) {
ScaLBL_Comm->D3Q19_Pressure_BC_z(NeighborList, gqbar, din,
timestep);
ScaLBL_Comm->D3Q19_Pressure_BC_Z(NeighborList, gqbar, dout,
timestep);
} else if (BoundaryCondition == 4) {
din = ScaLBL_Comm->D3Q19_Flux_BC_z(NeighborList, gqbar, flux,
timestep);
ScaLBL_Comm->D3Q19_Pressure_BC_Z(NeighborList, gqbar, dout,
timestep);
} else if (BoundaryCondition == 5) {
ScaLBL_Comm->D3Q19_Reflection_BC_z(gqbar);
ScaLBL_Comm->D3Q19_Reflection_BC_Z(gqbar);
}
//ScaLBL_D3Q19_AAeven_FreeLeeModel(dvcMap, gqbar, Den, Phi, mu_phi, Velocity, Pressure, ColorGrad, rhoA, rhoB, tauA, tauB,
// kappa, beta, W, Fx, Fy, Fz, Nxh, Nxh*Nyh, 0, ScaLBL_Comm->LastExterior(), Np);
ScaLBL_D3Q19_AAeven_FreeLeeModel_Combined(
dvcMap, gqbar, hq, Den, Phi, mu_phi, Velocity, Pressure, ColorGrad,
rhoA, rhoB, tauA, tauB, tauM, kappa, beta, W, Fx, Fy, Fz, Nxh,
Nxh * Nyh, 0, ScaLBL_Comm->LastExterior(), Np);
ScaLBL_Comm->Barrier();
//************************************************************************
PROFILE_STOP("Update");
}
PROFILE_STOP("Loop");
PROFILE_SAVE("lbpm_color_simulator", 1);
//************************************************************************
if (rank == 0)
printf("---------------------------------------------------------------"
"----\n");
// Compute the walltime per timestep
auto t2 = std::chrono::system_clock::now();
double cputime = std::chrono::duration<double>(t2 - t1).count() /
(EXIT_TIME - START_TIME);
// Performance obtained from each node
double MLUPS = double(Np) / cputime / 1000000;
return MLUPS;
}
void ScaLBL_FreeLeeModel::Run_SingleFluid() {
int nprocs = nprocx * nprocy * nprocz;
const RankInfoStruct rank_info(rank, nprocx, nprocy, nprocz);
if (rank == 0) {
printf("********************************************************\n");
printf("No. of timesteps: %i \n", timestepMax);
fflush(stdout);
}
//.......create and start timer............
ScaLBL_Comm->Barrier();
comm.barrier();
//.........................................
//************ MAIN ITERATION LOOP ***************************************/
PROFILE_START("Loop");
auto t1 = std::chrono::system_clock::now();
while (timestep < timestepMax) {
//if ( rank==0 ) { printf("Running timestep %i (%i MB)\n",timestep+1,(int)(Utilities::getMemoryUsage()/1048576)); }
PROFILE_START("Update");
// *************ODD TIMESTEP*************
timestep++;
//-------------------------------------------------------------------------------------------------------------------
// Perform the collision operation
ScaLBL_Comm->SendD3Q19AA(gqbar); //READ FROM NORMAL
ScaLBL_D3Q19_AAodd_FreeLeeModel_SingleFluid_BGK(
NeighborList, gqbar, Velocity, Pressure, tau, rho0, Fx, Fy, Fz,
ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
ScaLBL_Comm->RecvD3Q19AA(gqbar); //WRITE INTO OPPOSITE
ScaLBL_Comm->Barrier();
// Set boundary conditions
// TODO to be revised!
if (BoundaryCondition == 3) {
ScaLBL_Comm->D3Q19_Pressure_BC_z(NeighborList, gqbar, din,
timestep);
ScaLBL_Comm->D3Q19_Pressure_BC_Z(NeighborList, gqbar, dout,
timestep);
}
if (BoundaryCondition == 4) {
din = ScaLBL_Comm->D3Q19_Flux_BC_z(NeighborList, gqbar, flux,
timestep);
ScaLBL_Comm->D3Q19_Pressure_BC_Z(NeighborList, gqbar, dout,
timestep);
} else if (BoundaryCondition == 5) {
ScaLBL_Comm->D3Q19_Reflection_BC_z(gqbar);
ScaLBL_Comm->D3Q19_Reflection_BC_Z(gqbar);
}
ScaLBL_D3Q19_AAodd_FreeLeeModel_SingleFluid_BGK(
NeighborList, gqbar, Velocity, Pressure, tau, rho0, Fx, Fy, Fz, 0,
ScaLBL_Comm->LastExterior(), Np);
ScaLBL_Comm->Barrier();
// *************EVEN TIMESTEP*************
timestep++;
//-------------------------------------------------------------------------------------------------------------------
// Perform the collision operation
ScaLBL_Comm->SendD3Q19AA(gqbar); //READ FORM NORMAL
ScaLBL_D3Q19_AAeven_FreeLeeModel_SingleFluid_BGK(
gqbar, Velocity, Pressure, tau, rho0, Fx, Fy, Fz,
ScaLBL_Comm->FirstInterior(), ScaLBL_Comm->LastInterior(), Np);
ScaLBL_Comm->RecvD3Q19AA(gqbar); //WRITE INTO OPPOSITE
ScaLBL_Comm->Barrier();
// Set boundary conditions
// TODO to be revised!
if (BoundaryCondition == 3) {
ScaLBL_Comm->D3Q19_Pressure_BC_z(NeighborList, gqbar, din,
timestep);
ScaLBL_Comm->D3Q19_Pressure_BC_Z(NeighborList, gqbar, dout,
timestep);
} else if (BoundaryCondition == 4) {
din = ScaLBL_Comm->D3Q19_Flux_BC_z(NeighborList, gqbar, flux,
timestep);
ScaLBL_Comm->D3Q19_Pressure_BC_Z(NeighborList, gqbar, dout,
timestep);
} else if (BoundaryCondition == 5) {
ScaLBL_Comm->D3Q19_Reflection_BC_z(gqbar);
ScaLBL_Comm->D3Q19_Reflection_BC_Z(gqbar);
}
ScaLBL_D3Q19_AAeven_FreeLeeModel_SingleFluid_BGK(
gqbar, Velocity, Pressure, tau, rho0, Fx, Fy, Fz, 0,
ScaLBL_Comm->LastExterior(), Np);
ScaLBL_Comm->Barrier();
//************************************************************************
PROFILE_STOP("Update");
}
PROFILE_STOP("Loop");
PROFILE_SAVE("lbpm_color_simulator", 1);
//************************************************************************
if (rank == 0)
printf("---------------------------------------------------------------"
"----\n");
// Compute the walltime per timestep
auto t2 = std::chrono::system_clock::now();
double cputime = std::chrono::duration<double>(t2 - t1).count() / timestep;
// Performance obtained from each node
double MLUPS = double(Np) / cputime / 1000000;
if (rank == 0)
printf("********************************************************\n");
if (rank == 0)
printf("CPU time = %f \n", cputime);
if (rank == 0)
printf("Lattice update rate (per core)= %f MLUPS \n", MLUPS);
MLUPS *= nprocs;
if (rank == 0)
printf("Lattice update rate (total)= %f MLUPS \n", MLUPS);
if (rank == 0)
printf("********************************************************\n");
// ************************************************************************
}
void ScaLBL_FreeLeeModel::WriteDebug_TwoFluid() {
// Copy back final phase indicator field and convert to regular layout
DoubleArray PhaseData(Nxh, Nyh, Nzh);
//ScaLBL_Comm->RegularLayout(Map,Phi,PhaseField);
ScaLBL_CopyToHost(PhaseData.data(), Phi, sizeof(double) * Nh);
/*
IntArray MapData(Np);
ScaLBL_CopyToHost(MapData.data(), dvcMap, sizeof(int)*Np);
FILE *MAP;
sprintf(LocalRankFilename,"Map.%05i.raw",rank);
MAP = fopen(LocalRankFilename,"wb");
fwrite(MapData.data(),4,Np,MAP);
fclose(MAP);
FILE *NB;
//IntArray Neighbors(18,Np);
//ScaLBL_CopyToHost(Neighbors.data(), NeighborList, sizeof(int)*Np*18);
sprintf(LocalRankFilename,"neighbors.%05i.raw",rank);
NB = fopen(LocalRankFilename,"wb");
fwrite(NeighborList,4,18*Np,NB);
fclose(NB);
FILE *DIST;
DoubleArray DistData(7, Np);
ScaLBL_CopyToHost(DistData.data(), hq, 7*sizeof(double)*Np);
sprintf(LocalRankFilename,"h.%05i.raw",rank);
DIST = fopen(LocalRankFilename,"wb");
fwrite(DistData.data(),8,7*Np,DIST);
fclose(DIST);
*/
FILE *OUTFILE;
sprintf(LocalRankFilename, "Phase.%05i.raw", rank);
OUTFILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseData.data(), 8, Nh, OUTFILE);
fclose(OUTFILE);
DoubleArray PhaseField(Nx, Ny, Nz);
FILE *DIST;
for (int q = 0; q < 7; q++) {
ScaLBL_Comm->RegularLayout(Map, &hq[q * Np], PhaseField);
sprintf(LocalRankFilename, "h%i.%05i.raw", q, rank);
DIST = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, Nx * Ny * Nz, DIST);
fclose(DIST);
}
ScaLBL_Comm->RegularLayout(Map, Den, PhaseField);
FILE *AFILE;
sprintf(LocalRankFilename, "Density.%05i.raw", rank);
AFILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, AFILE);
fclose(AFILE);
ScaLBL_Comm->RegularLayout(Map, Pressure, PhaseField);
FILE *PFILE;
sprintf(LocalRankFilename, "Pressure.%05i.raw", rank);
PFILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, PFILE);
fclose(PFILE);
ScaLBL_Comm->RegularLayout(Map, mu_phi, PhaseField);
FILE *CHEMFILE;
sprintf(LocalRankFilename, "ChemPotential.%05i.raw", rank);
CHEMFILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, CHEMFILE);
fclose(CHEMFILE);
ScaLBL_Comm->RegularLayout(Map, &Velocity[0], PhaseField);
FILE *VELX_FILE;
sprintf(LocalRankFilename, "Velocity_X.%05i.raw", rank);
VELX_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, VELX_FILE);
fclose(VELX_FILE);
ScaLBL_Comm->RegularLayout(Map, &Velocity[Np], PhaseField);
FILE *VELY_FILE;
sprintf(LocalRankFilename, "Velocity_Y.%05i.raw", rank);
VELY_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, VELY_FILE);
fclose(VELY_FILE);
ScaLBL_Comm->RegularLayout(Map, &Velocity[2 * Np], PhaseField);
FILE *VELZ_FILE;
sprintf(LocalRankFilename, "Velocity_Z.%05i.raw", rank);
VELZ_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, VELZ_FILE);
fclose(VELZ_FILE);
ScaLBL_Comm->RegularLayout(Map, &ColorGrad[0], PhaseField);
FILE *CGX_FILE;
sprintf(LocalRankFilename, "Gradient_X.%05i.raw", rank);
CGX_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, CGX_FILE);
fclose(CGX_FILE);
ScaLBL_Comm->RegularLayout(Map, &ColorGrad[Np], PhaseField);
FILE *CGY_FILE;
sprintf(LocalRankFilename, "Gradient_Y.%05i.raw", rank);
CGY_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, CGY_FILE);
fclose(CGY_FILE);
ScaLBL_Comm->RegularLayout(Map, &ColorGrad[2 * Np], PhaseField);
FILE *CGZ_FILE;
sprintf(LocalRankFilename, "Gradient_Z.%05i.raw", rank);
CGZ_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, CGZ_FILE);
fclose(CGZ_FILE);
}
void ScaLBL_FreeLeeModel::WriteDebug_SingleFluid() {
DoubleArray PhaseField(Nx, Ny, Nz);
// Copy back final phase indicator field and convert to regular layout
ScaLBL_Comm->RegularLayout(Map, Pressure, PhaseField);
FILE *PFILE;
sprintf(LocalRankFilename, "Pressure.%05i.raw", rank);
PFILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, PFILE);
fclose(PFILE);
ScaLBL_Comm->RegularLayout(Map, &Velocity[0], PhaseField);
FILE *VELX_FILE;
sprintf(LocalRankFilename, "Velocity_X.%05i.raw", rank);
VELX_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, VELX_FILE);
fclose(VELX_FILE);
ScaLBL_Comm->RegularLayout(Map, &Velocity[Np], PhaseField);
FILE *VELY_FILE;
sprintf(LocalRankFilename, "Velocity_Y.%05i.raw", rank);
VELY_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, VELY_FILE);
fclose(VELY_FILE);
ScaLBL_Comm->RegularLayout(Map, &Velocity[2 * Np], PhaseField);
FILE *VELZ_FILE;
sprintf(LocalRankFilename, "Velocity_Z.%05i.raw", rank);
VELZ_FILE = fopen(LocalRankFilename, "wb");
fwrite(PhaseField.data(), 8, N, VELZ_FILE);
fclose(VELZ_FILE);
}
void ScaLBL_FreeLeeModel::Create_DummyPhase_MGTest() {
// Initialize communication structures in averaging domain
for (int i = 0; i < Nx * Ny * Nz; i++)
Dm->id[i] = Mask->id[i];
Mask->CommInit();
Np = Mask->PoreCount();
//...........................................................................
if (rank == 0)
printf("Create ScaLBL_Communicator \n");
// Create a communicator for the device (will use optimized layout)
// ScaLBL_Communicator ScaLBL_Comm(Mask); // original
ScaLBL_Comm =
std::shared_ptr<ScaLBL_Communicator>(new ScaLBL_Communicator(Mask));
//ScaLBL_Comm_Regular = std::shared_ptr<ScaLBL_Communicator>(new ScaLBL_Communicator(Mask));
ScaLBL_Comm_WideHalo = std::shared_ptr<ScaLBLWideHalo_Communicator>(
new ScaLBLWideHalo_Communicator(Mask, 2));
// create the layout for the LBM
int Npad = (Np / 16 + 2) * 16;
if (rank == 0)
printf("Set up memory efficient layout, %i | %i | %i \n", Np, Npad, N);
Map.resize(Nx, Ny, Nz);
Map.fill(-2);
auto neighborList = new int[18 * Npad];
Np = ScaLBL_Comm->MemoryOptimizedLayoutAA(Map, neighborList,
Mask->id.data(), Np, 1);
comm.barrier();
//...........................................................................
// MAIN VARIABLES ALLOCATED HERE
//...........................................................................
// LBM variables
if (rank == 0)
printf("Allocating distributions \n");
//......................device distributions.................................
dist_mem_size = Np * sizeof(double);
neighborSize = 18 * (Np * sizeof(int));
//...........................................................................
//ScaLBL_AllocateDeviceMemory((void **) &NeighborList, neighborSize);
ScaLBL_AllocateDeviceMemory((void **)&dvcMap, sizeof(int) * Np);
//ScaLBL_AllocateDeviceMemory((void **) &gqbar, 19*dist_mem_size);
//ScaLBL_AllocateDeviceMemory((void **) &hq, 7*dist_mem_size);
//ScaLBL_AllocateDeviceMemory((void **) &mu_phi, dist_mem_size);
//ScaLBL_AllocateDeviceMemory((void **) &Den, dist_mem_size);
ScaLBL_AllocateDeviceMemory((void **)&Phi, sizeof(double) * Nh);
//ScaLBL_AllocateDeviceMemory((void **) &Pressure, sizeof(double)*Np);
//ScaLBL_AllocateDeviceMemory((void **) &Velocity, 3*sizeof(double)*Np);
ScaLBL_AllocateDeviceMemory((void **)&ColorGrad, 3 * sizeof(double) * Np);
//...........................................................................
// Update GPU data structures
if (rank == 0)
printf("Setting up device map and neighbor list \n");
fflush(stdout);
int *TmpMap;
TmpMap = new int[Np];
for (int k = 1; k < Nz - 1; k++) {
for (int j = 1; j < Ny - 1; j++) {
for (int i = 1; i < Nx - 1; i++) {
int idx = Map(i, j, k);
if (!(idx < 0))
TmpMap[idx] = ScaLBL_Comm_WideHalo->Map(i, j, k);
}
}
}
// check that TmpMap is valid
for (int idx = 0; idx < ScaLBL_Comm->LastExterior(); idx++) {
auto n = TmpMap[idx];
if (n > Nxh * Nyh * Nzh) {
printf("Bad value! idx=%i \n", n);
TmpMap[idx] = Nxh * Nyh * Nzh - 1;
}
}
for (int idx = ScaLBL_Comm->FirstInterior();
idx < ScaLBL_Comm->LastInterior(); idx++) {
auto n = TmpMap[idx];
if (n > Nxh * Nyh * Nzh) {
printf("Bad value! idx=%i \n", n);
TmpMap[idx] = Nxh * Nyh * Nzh - 1;
}
}
// copy the device map
ScaLBL_CopyToDevice(dvcMap, TmpMap, sizeof(int) * Np);
// copy the neighbor list
//ScaLBL_CopyToDevice(NeighborList, neighborList, neighborSize);
comm.barrier();
double *phase;
phase = new double[Nh];
for (int k = 0; k < Nzh; k++) {
for (int j = 0; j < Nyh; j++) {
for (int i = 0; i < Nxh; i++) {
//idx for double-halo array 'phase'
int nh = k * Nxh * Nyh + j * Nxh + i;
//idx for single-halo array Mask->id[n]
int x = i - 1;
int y = j - 1;
int z = k - 1;
if (x < 0)
x = 0;
if (y < 0)
y = 0;
if (z < 0)
z = 0;
if (x >= Nx)
x = Nx - 1;
if (y >= Ny)
y = Ny - 1;
if (z >= Nz)
z = Nz - 1;
int n = z * Nx * Ny + y * Nx + x;
phase[nh] = id[n];
}
}
}
ScaLBL_CopyToDevice(Phi, phase, Nh * sizeof(double));
ScaLBL_Comm->Barrier();
comm.barrier();
delete[] TmpMap;
delete[] neighborList;
delete[] phase;
}
void ScaLBL_FreeLeeModel::MGTest() {
comm.barrier();
ScaLBL_Comm_WideHalo->Send(Phi);
ScaLBL_D3Q9_MGTest(dvcMap, Phi, ColorGrad, Nxh, Nxh * Nyh,
ScaLBL_Comm->FirstInterior(),
ScaLBL_Comm->LastInterior(), Np);
ScaLBL_Comm_WideHalo->Recv(Phi);
ScaLBL_D3Q9_MGTest(dvcMap, Phi, ColorGrad, Nxh, Nxh * Nyh, 0,
ScaLBL_Comm->LastExterior(), Np);
//check the sum of ColorGrad
double cgx_loc = 0.0;
double cgy_loc = 0.0;
double cgz_loc = 0.0;
double cgx, cgy, cgz;
double *ColorGrad_host;
ColorGrad_host = new double[3 * Np];
ScaLBL_CopyToHost(&ColorGrad_host[0], &ColorGrad[0],
3 * Np * sizeof(double));
for (int i = ScaLBL_Comm->FirstInterior(); i < ScaLBL_Comm->LastInterior();
i++) {
cgx_loc += ColorGrad_host[0 * Np + i];
cgy_loc += ColorGrad_host[1 * Np + i];
cgz_loc += ColorGrad_host[2 * Np + i];
}
for (int i = 0; i < ScaLBL_Comm->LastExterior(); i++) {
cgx_loc += ColorGrad_host[0 * Np + i];
cgy_loc += ColorGrad_host[1 * Np + i];
cgz_loc += ColorGrad_host[2 * Np + i];
}
cgx = Dm->Comm.sumReduce(cgx_loc);
cgy = Dm->Comm.sumReduce(cgy_loc);
cgz = Dm->Comm.sumReduce(cgz_loc);
if (rank == 0) {
printf("Sum of all x-component of the mixed gradient = %.2g \n", cgx);
printf("Sum of all y-component of the mixed gradient = %.2g \n", cgy);
printf("Sum of all z-component of the mixed gradient = %.2g \n", cgz);
}
delete[] ColorGrad_host;
}
Reference in New Issue View Git Blame Copy Permalink