Files
LBPM/tests/TestPoissonSolver.cpp
2020-09-02 11:37:23 -04:00

103 lines
3.9 KiB
C++

#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <iostream>
#include <exception>
#include <stdexcept>
#include <fstream>
#include <math.h>
#include "models/PoissonSolver.h"
using namespace std;
//********************************************************
// Test lattice-Boltzmann solver of Poisson equation
//********************************************************
int main(int argc, char **argv)
{
// Initialize MPI
int provided_thread_support = -1;
MPI_Init_thread(&argc,&argv,MPI_THREAD_MULTIPLE,&provided_thread_support);
MPI_Comm comm;
MPI_Comm_dup(MPI_COMM_WORLD,&comm);
int rank = comm_rank(comm);
int nprocs = comm_size(comm);
if ( rank==0 && provided_thread_support<MPI_THREAD_MULTIPLE ){
std::cerr << "Warning: Failed to start MPI with necessary thread support, thread support will be disabled" << std::endl;
}
// Limit scope so variables that contain communicators will free before MPI_Finialize
{
if (rank == 0){
printf("********************************************************\n");
printf("Running Test for LB-Poisson Solver \n");
printf("********************************************************\n");
}
//PROFILE_ENABLE_TRACE();
//PROFILE_ENABLE_MEMORY();
PROFILE_SYNCHRONIZE();
PROFILE_START("Main");
Utilities::setErrorHandlers();
auto filename = argv[1];
ScaLBL_Poisson PoissonSolver(rank,nprocs,comm);
// Initialize LB-Poisson model
PoissonSolver.ReadParams(filename);
PoissonSolver.SetDomain();
PoissonSolver.ReadInput();
PoissonSolver.Create();
PoissonSolver.Initialize();
PoissonSolver.getElectricPotential(0);
//Initialize dummy charge density for test
PoissonSolver.DummyChargeDensity();
PoissonSolver.Run(PoissonSolver.ChargeDensityDummy);
PoissonSolver.getElectricPotential(1);
PoissonSolver.getElectricField(1);
//int timestep=0;
//while (timestep < Study.timestepMax){
//
// timestep++;
// //if (rank==0) printf("timestep=%i; running Poisson solver\n",timestep);
// PoissonSolver.Run(IonModel.ChargeDensity);//solve Poisson equtaion to get steady-state electrical potental
// //PoissonSolver.getElectricPotential(timestep);
// //if (rank==0) printf("timestep=%i; running StokesModel\n",timestep);
// StokesModel.Run_Lite(IonModel.ChargeDensity, PoissonSolver.ElectricField);// Solve the N-S equations to get velocity
// //StokesModel.getVelocity(timestep);
// //if (rank==0) printf("timestep=%i; running Ion model\n",timestep);
// IonModel.Run(StokesModel.Velocity,PoissonSolver.ElectricField); //solve for ion transport and electric potential
// //IonModel.getIonConcentration(timestep);
//
//
// timestep++;//AA operations
// //--------------------------------------------
// //potentially leave analysis module for future
// //--------------------------------------------
//}
//StokesModel.getVelocity(timestep);
//PoissonSolver.getElectricPotential(timestep);
//PoissonSolver.getElectricField(timestep);
//IonModel.getIonConcentration(timestep);
if (rank==0) printf("Maximum timestep is reached and the simulation is completed\n");
if (rank==0) printf("*************************************************************\n");
PROFILE_STOP("Main");
PROFILE_SAVE("TestPoissonSolver",1);
// ****************************************************
MPI_Barrier(comm);
} // Limit scope so variables that contain communicators will free before MPI_Finialize
MPI_Comm_free(&comm);
MPI_Finalize();
}