114 lines
4.4 KiB
C++
114 lines
4.4 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <iostream>
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#include <exception>
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#include <stdexcept>
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#include <fstream>
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#include <math.h>
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#include "models/StokesModel.h"
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#include "models/IonModel.h"
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#include "models/PoissonSolver.h"
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#include "models/MultiPhysController.h"
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using namespace std;
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//***************************************************************************
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// Implementation of Multiphysics simulator using lattice-Boltzmann method
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//***************************************************************************
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int main(int argc, char **argv)
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{
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// Initialize MPI
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int provided_thread_support = -1;
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MPI_Init_thread(&argc,&argv,MPI_THREAD_MULTIPLE,&provided_thread_support);
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MPI_Comm comm;
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MPI_Comm_dup(MPI_COMM_WORLD,&comm);
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int rank = comm_rank(comm);
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int nprocs = comm_size(comm);
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if ( rank==0 && provided_thread_support<MPI_THREAD_MULTIPLE ){
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std::cerr << "Warning: Failed to start MPI with necessary thread support, thread support will be disabled" << std::endl;
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}
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// Limit scope so variables that contain communicators will free before MPI_Finialize
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{
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if (rank == 0){
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printf("********************************************************\n");
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printf("Running Electrokinetic LBM Simulator \n");
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printf("********************************************************\n");
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}
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//PROFILE_ENABLE_TRACE();
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//PROFILE_ENABLE_MEMORY();
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PROFILE_SYNCHRONIZE();
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PROFILE_START("Main");
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Utilities::setErrorHandlers();
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auto filename = argv[1];
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ScaLBL_StokesModel StokesModel(rank,nprocs,comm);
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ScaLBL_IonModel IonModel(rank,nprocs,comm);
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ScaLBL_Poisson PoissonSolver(rank,nprocs,comm);
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ScaLBL_Multiphys_Controller Study(rank,nprocs,comm);//multiphysics controller coordinating multi-model coupling
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// Load controller information
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Study.ReadParams(filename);
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// Initialize LB Navier-Stokes model
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StokesModel.ReadParams(filename,Study.num_iter_Stokes);
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StokesModel.SetDomain();
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StokesModel.ReadInput();
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StokesModel.Create(); // creating the model will create data structure to match the pore structure and allocate variables
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StokesModel.Initialize(); // initializing the model will set initial conditions for variables
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// Initialize LB-Ion model
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IonModel.ReadParams(filename,Study.num_iter_Ion,Study.num_iter_Stokes,StokesModel.time_conv);
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IonModel.SetDomain();
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IonModel.ReadInput();
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IonModel.Create();
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IonModel.Initialize();
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// Initialize LB-Poisson model
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PoissonSolver.ReadParams(filename);
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PoissonSolver.SetDomain();
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PoissonSolver.ReadInput();
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PoissonSolver.Create();
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PoissonSolver.Initialize();
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int timestep=0;
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while (timestep < Study.timestepMax){
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timestep++;
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if (rank==0) printf("timestep=%i; running Poisson solver\n",timestep);
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PoissonSolver.Run(IonModel.ChargeDensity);//solve Poisson equtaion to get steady-state electrical potental
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if (rank==0) printf("timestep=%i; running StokesModel\n",timestep);
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StokesModel.Run_Lite(IonModel.ChargeDensity, PoissonSolver.ElectricField);// Solve the N-S equations to get velocity
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if (rank==0) printf("timestep=%i; running Ion model\n",timestep);
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IonModel.Run(StokesModel.Velocity,PoissonSolver.ElectricField); //solve for ion transport and electric potential
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timestep++;//AA operations
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//--------------------------------------------
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//potentially leave analysis module for future
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//--------------------------------------------
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}
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StokesModel.getVelocity();
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PoissonSolver.getElectricalPotential();
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IonModel.getIonConcentration();
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if (rank==0) printf("Maximum timestep is reached and the simulation is completed\n");
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if (rank==0) printf("*************************************************************\n");
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PROFILE_STOP("Main");
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PROFILE_SAVE("lbpm_electrokinetic_simulator",1);
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// ****************************************************
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MPI_Barrier(comm);
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} // Limit scope so variables that contain communicators will free before MPI_Finialize
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MPI_Comm_free(&comm);
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MPI_Finalize();
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}
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