LBPM/tests/lbpm_TwoPhase_analysis.cpp
2021-12-15 07:35:10 -05:00

240 lines
6.3 KiB
C++

/*
* Compute porous media marching cubes analysis (PMMC) based on input image data
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <iostream>
#include <fstream>
#include <sstream>
#include <functional>
#include "common/Array.h"
#include "common/Domain.h"
#include "common/Communication.h"
#include "common/MPI.h"
#include "IO/MeshDatabase.h"
#include "IO/Mesh.h"
#include "IO/Writer.h"
#include "IO/netcdf.h"
#include "analysis/analysis.h"
#include "analysis/filters.h"
#include "analysis/distance.h"
#include "analysis/Minkowski.h"
#include "analysis/TwoPhase.h"
#include "ProfilerApp.h"
int main(int argc, char **argv)
{
// Initialize MPI
Utilities::startup( argc, argv );
Utilities::MPI comm( MPI_COMM_WORLD );
int rank = comm.getRank();
//int nprocs = comm.getSize();
{
Utilities::setErrorHandlers();
PROFILE_START("Main");
//std::vector<std::string> filenames;
if ( argc<2 ) {
if ( rank == 0 ){
printf("At least one filename must be specified\n");
}
return 1;
}
std::string filename = std::string(argv[1]);
if ( rank == 0 ){
printf("Input data file: %s\n",filename.c_str());
}
auto db = std::make_shared<Database>( filename );
auto domain_db = db->getDatabase( "Domain" );
auto vis_db = db->getDatabase( "Visualization" );
// Read domain parameters
auto Filename = domain_db->getScalar<std::string>( "Filename" );
auto size = domain_db->getVector<int>( "n" );
auto SIZE = domain_db->getVector<int>( "N" );
auto nproc = domain_db->getVector<int>( "nproc" );
auto ReadValues = domain_db->getVector<char>( "ReadValues" );
auto WriteValues = domain_db->getVector<char>( "WriteValues" );
auto nx = size[0];
auto ny = size[1];
auto nz = size[2];
int i,j,k,n;
std::shared_ptr<Domain> Dm = std::shared_ptr<Domain>(new Domain(domain_db,comm)); // full domain for analysis
comm.barrier();
for (k=0;k<nz;k++){
for (j=0;j<ny;j++){
for (i=0;i<nx;i++){
n = k*nx*ny+j*nx+i;
// Initialize the object
Dm->id[n] = 1;
}
}
}
Dm->CommInit();
/* read the data */
if (domain_db->keyExists( "Filename" )){
auto Filename = domain_db->getScalar<std::string>( "Filename" );
Dm->Decomp(Filename);
}
else{
Dm->ReadIDs();
}
fillHalo<double> fillDouble(Dm->Comm, Dm->rank_info, {nx,ny,nz}, {1, 1, 1}, 0, 1);
// Compute the Minkowski functionals
comm.barrier();
std::shared_ptr<TwoPhase> Averages( new TwoPhase(Dm) );
std::shared_ptr<Minkowski> Geometry(new Minkowski(Dm));
// Calculate the distance
// Initialize the domain and communication
nx+=2; ny+=2; nz+=2;
Array<char> id(nx,ny,nz);
DoubleArray Distance(nx,ny,nz);
/* * * * * * * * * * * * * * * * * * * * * */
// Solve for the position of the solid phase
for (k=0;k<nz;k++){
for (j=0;j<ny;j++){
for (i=0;i<nx;i++){
n = k*nx*ny+j*nx+i;
// Initialize the object
if (Dm->id[n] == ReadValues[0]) id(i,j,k) = 0;
else id(i,j,k) = 1;
}
}
}
for (k=0;k<nz;k++){
for (j=0;j<ny;j++){
for (i=0;i<nx;i++){
n=k*nx*ny+j*nx+i;
// Initialize distance to +/- 1
Averages->SDs(i,j,k) = 2.0*double(id(i,j,k))-1.0;
}
}
}
fillDouble.fill(Averages->SDs);
if (rank==0) printf("Initialized solid phase -- Converting to Signed Distance function \n");
CalcDist(Averages->SDs,id,*Dm);
/* move the solid surface by a voxel to improve contact angle measurement
for (k=0;k<nz;k++){
for (j=0;j<ny;j++){
for (i=0;i<nx;i++){
n=k*nx*ny+j*nx+i;
Averages->SDs(i,j,k) -= 1.0;
}
}
}*/
/* * * * * * * * * * * * * * * * * * * * * */
// Solve for the position of the fluid phase
for (k=0;k<nz;k++){
for (j=0;j<ny;j++){
for (i=0;i<nx;i++){
n = k*nx*ny+j*nx+i;
// Initialize the object
if (Dm->id[n] == ReadValues[1]){
id(i,j,k) = 1;
Averages->Phase(i,j,k) = 1.0;
}
else {
id(i,j,k) = 0;
Averages->Phase(i,j,k) = -1.0;
}
}
}
}
for (k=0;k<nz;k++){
for (j=0;j<ny;j++){
for (i=0;i<nx;i++){
n=k*nx*ny+j*nx+i;
// Initialize distance to +/- 1
Distance(i,j,k) = 2.0*double(id(i,j,k))-1.0;
}
}
}
fillDouble.fill(Averages->Phase);
fillDouble.fill(Distance);
if (rank==0) printf("Initialized fluid phase -- Converting to Signed Distance function \n");
CalcDist(Distance,id,*Dm);
Mean3D(Distance,Averages->SDn);
/* * * * * * * * * * * * * * * * * * * * * */
if (rank==0) printf("Computing Minkowski functionals \n");
Geometry->ComputeScalar(Distance,0.f);
Geometry->PrintAll();
Averages->Initialize();
Averages->UpdateMeshValues();
Averages->ComputeStatic();
Averages->Reduce();
Averages->PrintStatic();
/*
Averages.Initialize();
Averages.ComponentAverages();
Averages.SortBlobs();
Averages.PrintComponents(timestep);
*/
auto format = vis_db->getWithDefault<string>("format", "hdf5");
vis_db = db->getDatabase("Visualization");
std::vector<IO::MeshDataStruct> visData;
fillHalo<double> fillData(Dm->Comm, Dm->rank_info,
{Dm->Nx - 2, Dm->Ny - 2, Dm->Nz - 2},
{1, 1, 1}, 0, 1);
auto PhaseVar = std::make_shared<IO::Variable>();
auto SignDistVar = std::make_shared<IO::Variable>();
IO::initialize("", format, "false");
// Create the MeshDataStruct
visData.resize(1);
visData[0].meshName = "domain";
visData[0].mesh = std::make_shared<IO::DomainMesh>(
Dm->rank_info, Dm->Nx - 2, Dm->Ny - 2, Dm->Nz - 2, Dm->Lx, Dm->Ly,
Dm->Lz);
SignDistVar->name = "SignDist";
SignDistVar->type = IO::VariableType::VolumeVariable;
SignDistVar->dim = 1;
SignDistVar->data.resize(Dm->Nx - 2, Dm->Ny - 2, Dm->Nz - 2);
visData[0].vars.push_back(SignDistVar);
PhaseVar->name = "Phase";
PhaseVar->type = IO::VariableType::VolumeVariable;
PhaseVar->dim = 1;
PhaseVar->data.resize(Dm->Nx - 2, Dm->Ny - 2, Dm->Nz - 2);
visData[0].vars.push_back(PhaseVar);
Array<double> &SignData = visData[0].vars[0]->data;
Array<double> &PhaseData = visData[0].vars[1]->data;
ASSERT(visData[0].vars[0]->name == "SignDist");
ASSERT(visData[0].vars[1]->name == "Phase");
fillData.copy(Averages->SDs, SignData);
fillData.copy(Averages->SDn, PhaseData);
int timestep = 0;
IO::writeData(timestep, visData, Dm->Comm);
}
PROFILE_STOP("Main");
PROFILE_SAVE("TwoPhase",true);
Utilities::shutdown();
return 0;
}