LBPM/tests/lbpm_inkbottle_pp.cpp
2021-01-04 19:33:27 -05:00

227 lines
6.8 KiB
C++

#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <iostream>
#include <exception>
#include <stdexcept>
#include <fstream>
#include "common/ScaLBL.h"
#include "common/Communication.h"
#include "analysis/TwoPhase.h"
#include "common/MPI_Helpers.h"
int main(int argc, char **argv)
{
//*****************************************
// ***** MPI STUFF ****************
//*****************************************
// Initialize MPI
Utilities::startup( argc, argv );
Utilities::MPI comm( MPI_COMM_WORLD );
int rank = comm.getRank();
int nprocs = comm.getSize();
{
// parallel domain size (# of sub-domains)
int nprocx,nprocy,nprocz;
int iproc,jproc,kproc;
//*****************************************
// MPI ranks for all 18 neighbors
//**********************************
int rank_x,rank_y,rank_z,rank_X,rank_Y,rank_Z;
int rank_xy,rank_XY,rank_xY,rank_Xy;
int rank_xz,rank_XZ,rank_xZ,rank_Xz;
int rank_yz,rank_YZ,rank_yZ,rank_Yz;
//**********************************
double UpperTubeRadius =15.0;
double LowerTubeRadius =15.0;
int BC;
int BubbleTop,BubbleBottom;
double BulbRadius;
LowerTubeRadius=strtod(argv[1],NULL);
LowerTubeRadius=strtod(argv[2],NULL);
BulbRadius=strtod(argv[3],NULL);
BubbleBottom = atoi(argv[4]);
BubbleTop = atoi(argv[5]);
BC=0;
if (rank == 0){
printf("********************************************************\n");
printf("Generate ink bottle geometry");
printf( " lower tube radius = %f, upper tube radius=%f, bulb radius %f voxels \n",LowerTubeRadius,UpperTubeRadius,BulbRadius);
printf("********************************************************\n");
}
// Variables that specify the computational domain
string FILENAME;
int Nx,Ny,Nz; // local sub-domain size
int nspheres; // number of spheres in the packing
double Lx,Ly,Lz; // Domain length
int i,j,k,n;
// pmmc threshold values
if (rank==0){
//.......................................................................
// Reading the domain information file
//.......................................................................
ifstream domain("Domain.in");
domain >> nprocx;
domain >> nprocy;
domain >> nprocz;
domain >> Nx;
domain >> Ny;
domain >> Nz;
domain >> nspheres;
domain >> Lx;
domain >> Ly;
domain >> Lz;
//.......................................................................
}
// **************************************************************
// Broadcast simulation parameters from rank 0 to all other procs
MPI_Barrier(comm);
// Computational domain
MPI_Bcast(&Nx,1,MPI_INT,0,comm);
MPI_Bcast(&Ny,1,MPI_INT,0,comm);
MPI_Bcast(&Nz,1,MPI_INT,0,comm);
MPI_Bcast(&nprocx,1,MPI_INT,0,comm);
MPI_Bcast(&nprocy,1,MPI_INT,0,comm);
MPI_Bcast(&nprocz,1,MPI_INT,0,comm);
MPI_Bcast(&nspheres,1,MPI_INT,0,comm);
MPI_Bcast(&Lx,1,MPI_DOUBLE,0,comm);
MPI_Bcast(&Ly,1,MPI_DOUBLE,0,comm);
MPI_Bcast(&Lz,1,MPI_DOUBLE,0,comm);
//.................................................
MPI_Barrier(comm);
// **************************************************************
if (nprocs != nprocx*nprocy*nprocz){
printf("nprocx = %i \n",nprocx);
printf("nprocy = %i \n",nprocy);
printf("nprocz = %i \n",nprocz);
INSIST(nprocs == nprocx*nprocy*nprocz,"Fatal error in processor count!");
}
if (rank==0){
printf("********************************************************\n");
printf("Sub-domain size = %i x %i x %i\n",Nz,Nz,Nz);
printf("Parallel domain size = %i x %i x %i\n",nprocx,nprocy,nprocz);
printf("********************************************************\n");
}
// Initialized domain and averaging framework for Two-Phase Flow
std::shared_ptr<Domain> Dm (new Domain(Nx,Ny,Nz,rank,nprocx,nprocy,nprocz,Lx,Ly,Lz,BC));
Dm->CommInit();
std::shared_ptr<TwoPhase> Averages( new TwoPhase(Dm) );
InitializeRanks( rank, nprocx, nprocy, nprocz, iproc, jproc, kproc,
rank_x, rank_y, rank_z, rank_X, rank_Y, rank_Z,
rank_xy, rank_XY, rank_xY, rank_Xy, rank_xz, rank_XZ, rank_xZ, rank_Xz,
rank_yz, rank_YZ, rank_yZ, rank_Yz );
MPI_Barrier(comm);
Nz += 2;
Nx = Ny = Nz; // Cubic domain
int N = Nx*Ny*Nz;
int dist_mem_size = N*sizeof(double);
//.......................................................................
// Filenames used
char LocalRankString[8];
char LocalRankFilename[40];
char LocalRestartFile[40];
char tmpstr[10];
sprintf(LocalRankString,"%05d",rank);
sprintf(LocalRankFilename,"%s%s","ID.",LocalRankString);
sprintf(LocalRestartFile,"%s%s","Restart.",LocalRankString);
// printf("Local File Name = %s \n",LocalRankFilename);
// .......... READ THE INPUT FILE .......................................
// char value;
char *id;
id = new char[N];
int sum = 0;
double sum_local;
double iVol_global = 1.0/(1.0*(Nx-2)*(Ny-2)*(Nz-2)*nprocs);
//if (pBC) iVol_global = 1.0/(1.0*(Nx-2)*nprocx*(Ny-2)*nprocy*((Nz-2)*nprocz-6));
double pore_vol;
sum=0;
double BulbDist;
for (k=0;k<Nz;k++){
for (j=0;j<Ny;j++){
for (i=0;i<Nx;i++){
n = k*Nx*Ny + j*Nz + i;
// Cylindrical capillary tube aligned with the z direction
if (k<Nz/2)
Averages->SDs(i,j,k) = LowerTubeRadius-sqrt(1.0*((i-Nx/2)*(i-Nx/2)
+ (j-Ny/2)*(j-Ny/2)));
else
Averages->SDs(i,j,k) = UpperTubeRadius-sqrt(1.0*((i-Nx/2)*(i-Nx/2)
+ (j-Ny/2)*(j-Ny/2)));
BulbDist = BulbRadius-sqrt(1.0*((i-Nx/2)*(i-Nx/2)+ (j-Ny/2)*(j-Ny/2) + (k-Nz/2)*(k-Nz/2)));
if (BulbDist > Averages->SDs(i,j,k)) Averages->SDs(i,j,k) = BulbDist;
// Initialize phase positions
if (Averages->SDs(i,j,k) < 0.0){
id[n] = 0;
}
else if (Dm->kproc()*Nz+k<BubbleBottom){
id[n] = 2;
sum++;
}
else if (Dm->kproc()*Nz+k<BubbleTop){
id[n] = 1;
sum++;
}
else{
id[n] = 2;
sum++;
}
}
}
}
// Compute the pore volume
sum_local = 0.0;
for ( k=1;k<Nz-1;k++){
for ( j=1;j<Ny-1;j++){
for ( i=1;i<Nx-1;i++){
n = k*Nx*Ny+j*Nx+i;
if (id[n] > 0){
sum_local += 1.0;
}
}
}
}
MPI_Allreduce(&sum_local,&pore_vol,1,MPI_DOUBLE,MPI_SUM,comm);
//.........................................................
// don't perform computations at the eight corners
id[0] = id[Nx-1] = id[(Ny-1)*Nx] = id[(Ny-1)*Nx + Nx-1] = 0;
id[(Nz-1)*Nx*Ny] = id[(Nz-1)*Nx*Ny+Nx-1] = id[(Nz-1)*Nx*Ny+(Ny-1)*Nx] = id[(Nz-1)*Nx*Ny+(Ny-1)*Nx + Nx-1] = 0;
//.........................................................
sprintf(LocalRankFilename,"SignDist.%05i",rank);
FILE *DIST = fopen(LocalRankFilename,"wb");
fwrite(Averages->SDs.data(),8,Averages->SDs.length(),DIST);
fclose(DIST);
sprintf(LocalRankFilename,"ID.%05i",rank);
FILE *ID = fopen(LocalRankFilename,"wb");
fwrite(id,1,N,ID);
fclose(ID);
}
// ****************************************************
comm.barrier();
Utilities::shutdown();
// ****************************************************
}