// Read part_struct data
void cgns_fill_parts(void)
{
// Open cgns file and get cgns file index number fn
char buf[FILE_NAME_SIZE];
sprintf(buf, "%s/%s/%s", SIM_ROOT_DIR, OUTPUT_DIR, partFiles[partFileMap[tt]]);
int fn;
int ier = cg_open(buf, CG_MODE_READ, &fn);
if (ier != 0 ) {
printf("\nCGNS Error on file %s\n", buf);
free_vars();
cg_close(fn);
cg_error_exit();
}
fflush(stdout);
// Set base, zone, and solutions index numbers
int bn = 1;
int zn = 1;
int sn = 1;
// Read part coords
double *x = malloc(nparts * sizeof(double));
double *y = malloc(nparts * sizeof(double));
double *z = malloc(nparts * sizeof(double));
for (int p = 0; p < nparts; p++) {
x[p] = 0;
y[p] = 0;
z[p] = 0;
}
cgsize_t range_min = 1;
cgsize_t range_max = nparts;
cg_coord_read(fn,bn,zn, "CoordinateX", RealDouble, &range_min, &range_max, x);
cg_coord_read(fn,bn,zn, "CoordinateY", RealDouble, &range_min, &range_max, y);
cg_coord_read(fn,bn,zn, "CoordinateZ", RealDouble, &range_min, &range_max, z);
for (int p = 0; p < nparts; p++) {
parts[p].x = x[p];
parts[p].y = y[p];
parts[p].z = z[p];
}
// Read part vel
cg_field_read(fn,bn,zn,sn, "VelocityX", RealDouble, &range_min, &range_max, up);
cg_field_read(fn,bn,zn,sn, "VelocityY", RealDouble, &range_min, &range_max, vp);
cg_field_read(fn,bn,zn,sn, "VelocityZ", RealDouble, &range_min, &range_max, wp);
// Calculate kinetic energy
for (int p = 0; p < nparts; p++) {
ke[p] = 0.5*(up[p]*up[p] + vp[p]*vp[p] + wp[p]*wp[p]);
//ke[p] = 0.5*wp[p]*wp[p];
}
free(x);
free(y);
free(z);
cg_close(fn);
}
int main()
{
/*
dimension statements (note that tri-dimensional arrays
r and p must be dimensioned exactly as [N-1][17-1][21-1] (N>=9)
for this particular case or else they will be read from
the CGNS file incorrectly! Other options are to use 1-D
arrays, use dynamic memory, or pass index values to a
subroutine and dimension exactly there):
*/
double r[8][16][20],p[8][16][20];
cgsize_t isize[3][3],irmin[3],irmax[3];
int index_file,index_base,index_zone,index_flow;
char zonename[33],solname[33];
GridLocation_t loc;
/* READ FLOW SOLUTION FROM CGNS FILE */
/* open CGNS file for read-only */
if (cg_open("grid_c.cgns",CG_MODE_READ,&index_file)) cg_error_exit();
/* we know there is only one base (real working code would check!) */
index_base=1;
/* we know there is only one zone (real working code would check!) */
index_zone=1;
/* we know there is only one FlowSolution_t (real working code would check!) */
index_flow=1;
/* get zone size (and name - although not needed here) */
cg_zone_read(index_file,index_base,index_zone,zonename,isize[0]);
/* lower range index */
irmin[0]=1;
irmin[1]=1;
irmin[2]=1;
/* upper range index - use cell dimensions */
/* checking GridLocation first (real working code would check */
/* to make sure there are no Rind cells also!): */
cg_sol_info(index_file,index_base,index_zone,index_flow,solname,&loc);
if (loc != CellCenter)
{
printf("\nError, GridLocation must be CellCenter! Currently: %s\n",
GridLocationName[loc]);
return 1;
}
irmax[0]=isize[1][0];
irmax[1]=isize[1][1];
irmax[2]=isize[1][2];
/* read flow solution */
cg_field_read(index_file,index_base,index_zone,index_flow,"Density", \
RealDouble,irmin,irmax,r[0][0]);
cg_field_read(index_file,index_base,index_zone,index_flow,"Pressure", \
RealDouble,irmin,irmax,p[0][0]);
/* close CGNS file */
cg_close(index_file);
printf("\nSuccessfully read flow solution from file grid_c.cgns\n");
printf(" For example, r,p[7][15][19]= %f, %f\n",r[7][15][19],p[7][15][19]);
printf("\nProgram successful... ending now\n");
return 0;
}
int main()
{
float r[9*17*21],p[9*17*21];
cgsize_t isize[3][1],irmin,irmax;
int index_file,index_base,index_zone,index_flow;
char zonename[33],solname[33];
GridLocation_t loc;
/* READ FLOW SOLUTION FROM CGNS FILE */
/* open CGNS file for read-only */
if (cg_open("grid_c.cgns",CG_MODE_READ,&index_file)) cg_error_exit();
/* we know there is only one base (real working code would check!) */
index_base=1;
/* we know there is only one zone (real working code would check!) */
index_zone=1;
/* we know there is only one FlowSolution_t (real working code would check!) */
index_flow=1;
/* get zone size (and name - although not needed here) */
cg_zone_read(index_file,index_base,index_zone,zonename,isize[0]);
/* lower range index */
irmin=1;
/* upper range index - use vertex dimensions */
/* checking GridLocation first (real working code would check */
/* to make sure there are no Rind cells also!): */
cg_sol_info(index_file,index_base,index_zone,index_flow,solname,&loc);
if (loc != Vertex)
{
printf("\nError, GridLocation must be Vertex! Currently: %s\n",
GridLocationName[loc]);
return 1;
}
irmax=isize[0][0];
/* read flow solution */
cg_field_read(index_file,index_base,index_zone,index_flow,"Density", \
RealSingle,&irmin,&irmax,r);
cg_field_read(index_file,index_base,index_zone,index_flow,"Pressure", \
RealSingle,&irmin,&irmax,p);
/* close CGNS file */
cg_close(index_file);
printf("\nSuccessfully read flow solution from file grid_c.cgns\n");
printf(" For example, r,p[379] = %f, %f\n",r[379],p[379]);
printf(" r,p[3212]= %f, %f\n",r[3212],p[3212]);
printf("\nProgram successful... ending now\n");
return 0;
}
// Read data
void cgns_fill_input(void)
{
// Open cgns file and get cgns file index number fn
char buf[FILE_NAME_SIZE];
sprintf(buf, "%s/data/%s", ANALYSIS_DIR, files[fileMap[tt]]);
int fn;
int ier = cg_open(buf, CG_MODE_READ, &fn);
if (ier != 0 ) {
printf("CGNS Error - double check grid.cgns exists in output\n");
cg_error_exit();
}
fflush(stdout);
// Set base, zone, and solutions index numbers
int bn = 1;
int zn = 1;
int sn = 1;
// Size of array to pull
cgsize_t range_min[3];
range_min[0] = 1;
range_min[1] = 1;
range_min[2] = 1;
cgsize_t range_max[3];
range_max[0] = dom.xn;
range_max[1] = dom.yn;
range_max[2] = dom.zn;
// Read and fill
cg_field_read(fn,bn,zn,sn, "Volume Fraction Real", RealDouble, range_min,
range_max, volume_fraction);
cg_close(fn);
// Zero the averages
for (int i = 0; i < dom.Gcc.s2; i++) {
moving_avg[i] = 0.;
stationary_avg[i] = 0.;
}
}
// Read part_struct data
void cgns_fill_part_struct(void)
{
// Open cgns file and get cgns file index number fn
char buf[FILE_NAME_SIZE];
sprintf(buf, "%s/%s/%s", ROOT_DIR, OUTPUT_DIR, partFiles[fileMap[tt]]);
int fn;
cg_open(buf, CG_MODE_READ, &fn);
// Set base, zone, and solutions index numbers
int bn = 1;
int zn = 1;
int sn = 1;
// Read part coords
double *x = malloc(nparts * sizeof(double));
double *y = malloc(nparts * sizeof(double));
double *z = malloc(nparts * sizeof(double));
for (int p = 0; p < nparts; p++) {
x[p] = 0;
y[p] = 0;
z[p] = 0;
}
cgsize_t range_min = 1;
cgsize_t range_max = nparts;
cg_coord_read(fn,bn,zn, "CoordinateX", RealDouble, &range_min, &range_max, x);
cg_coord_read(fn,bn,zn, "CoordinateY", RealDouble, &range_min, &range_max, y);
cg_coord_read(fn,bn,zn, "CoordinateZ", RealDouble, &range_min, &range_max, z);
for (int p = 0; p < nparts; p++) {
parts[p].x = x[p];
parts[p].y = y[p];
parts[p].z = z[p];
}
// Read part vel
double *u = malloc(nparts * sizeof(double));
double *v = malloc(nparts * sizeof(double));
double *w = malloc(nparts * sizeof(double));
for (int p = 0; p < nparts; p++) {
w[p] = 0;
v[p] = 0;
w[p] = 0;
}
cg_field_read(fn,bn,zn,sn, "VelocityX", RealDouble, &range_min, &range_max, u);
cg_field_read(fn,bn,zn,sn, "VelocityY", RealDouble, &range_min, &range_max, v);
cg_field_read(fn,bn,zn,sn, "VelocityZ", RealDouble, &range_min, &range_max, w);
for (int p = 0; p < nparts; p++) {
parts[p].u = u[p];
parts[p].v = v[p];
parts[p].w = w[p];
}
// Read actual time
cg_goto(fn, bn, "Zone_t", zn, "Etc", 0, "end");
cg_array_read(1, &simTime[tt]);
free(x);
free(y);
free(z);
free(u);
free(v);
free(w);
cg_close(fn);
}
// initialize part_struct
void parts_init(void)
{
parts = (part_struct*) malloc(nparts * sizeof(part_struct));
for(int p = 0; p < nparts; p++) {
parts[p].x = -1.;
parts[p].y = -1.;
parts[p].z = -1.;
parts[p].r = -1.;
parts[p].bin = -1;
parts[p].u = -1.;
parts[p].v = -1.;
parts[p].w = -1.;
parts[p].flipCountX = 0.;
parts[p].flipCountY = 0.;
parts[p].flipCountZ = 0.;
}
// Open cgns file and get cgns file index number fn
char buf[FILE_NAME_SIZE];
sprintf(buf, "%s/%s/%s", ROOT_DIR, OUTPUT_DIR, partFiles[fileMap[0]]);
int fn;
cg_open(buf, CG_MODE_READ, &fn);
// Set base, zone, and solutions index numbers
int bn = 1;
int zn = 1;
int sn = 1;
// Read part coords
double *x = malloc(nparts * sizeof(double));
double *y = malloc(nparts * sizeof(double));
double *z = malloc(nparts * sizeof(double));
for (int p = 0; p < nparts; p++) {
x[p] = 0;
y[p] = 0;
z[p] = 0;
}
cgsize_t range_min = 1;
cgsize_t range_max = nparts;
cg_coord_read(fn,bn,zn, "CoordinateX", RealDouble, &range_min, &range_max, x);
cg_coord_read(fn,bn,zn, "CoordinateY", RealDouble, &range_min, &range_max, y);
cg_coord_read(fn,bn,zn, "CoordinateZ", RealDouble, &range_min, &range_max, z);
for (int p = 0; p < nparts; p++) {
parts[p].x = x[p];
parts[p].y = y[p];
parts[p].z = z[p];
}
// Read part radius
double *r = malloc(nparts * sizeof(double));
for (int p = 0; p < nparts; p++) {
r[p] = 0;
}
cg_field_read(fn,bn,zn,sn, "Radius", RealDouble, &range_min, &range_max, r);
for (int p = 0; p < nparts; p++) {
parts[p].r = r[p];
}
// #ifdef DEBUG
// for (int p = 0; p < nparts; p++) {
// printf(" p = %d, (x,y,z); (%lf, %lf, %lf); %lf\n", p, x[p], y[p], z[p],
// r[p]);
// }
// #endif
cg_close(fn);
free(x);
free(y);
free(z);
free(r);
}
// initialize part_struct
void parts_init(void)
{
parts = (part_struct*) malloc(nparts * sizeof(part_struct));
up = (double*) malloc(nparts * sizeof(double));
vp = (double*) malloc(nparts * sizeof(double));
wp = (double*) malloc(nparts * sizeof(double));
ke = (double*) malloc(nparts * sizeof(double));
for(int p = 0; p < nparts; p++) {
parts[p].x = -1;
parts[p].y = -1;
parts[p].z = -1;
parts[p].r = -1;
up[p] = 0.;
vp[p] = 0.;
wp[p] = 0.;
ke[p] = 0.;
}
// Open cgns file and get cgns file index number fn
char buf[FILE_NAME_SIZE];
sprintf(buf, "%s/%s/%s", SIM_ROOT_DIR, OUTPUT_DIR, partFiles[partFileMap[0]]);
int fn;
int ier = cg_open(buf, CG_MODE_READ, &fn);
if (ier != 0 ) {
printf("\nCGNS Error on file %s\n", buf);
cg_error_exit();
}
fflush(stdout);
// Set base, zone, and solutions index numbers
int bn = 1;
int zn = 1;
int sn = 1;
cgsize_t range_min = 1;
cgsize_t range_max = nparts;
// Read part radius
double *r = malloc(nparts * sizeof(double));
for (int p = 0; p < nparts; p++) {
r[p] = 0;
}
ier = cg_field_read(fn,bn,zn,sn, "Radius", RealDouble, &range_min, &range_max, r);
if (ier != 0 ) {
printf("\nCGNS Error on file %s\n", buf);
cg_error_exit();
}
fflush(stdout);
meanR = 0.;
for (int p = 0; p < nparts; p++) {
parts[p].r = r[p];
meanR += parts[p].r;
}
meanR /= nparts;
cg_close(fn);
free(r);
}
// Read data
void cgns_fill(void)
{
// Open cgns file and get cgns file index number fn
char buf[FILE_NAME_SIZE];
sprintf(buf, "%s/output/%s", SIM_ROOT_DIR, files[fileMap[tt]]);
int fn;
int ier = cg_open(buf, CG_MODE_READ, &fn);
if (ier != 0 ) {
printf("CGNS Error - double check grid.cgns exists");
printf(" in same directory as %s\n", buf);
cg_error_exit();
}
fflush(stdout);
// Set base, zone, and solutions index numbers
int bn = 1;
int zn = 1;
int sn = 1;
// Size of array to pull
cgsize_t range_min = 1;
cgsize_t range_max = nparts;;
// Read and fill
cg_field_read(fn,bn,zn,sn, "VelocityX", RealDouble, &range_min,
&range_max, up);
cg_field_read(fn,bn,zn,sn, "VelocityY", RealDouble, &range_min,
&range_max, vp);
cg_field_read(fn,bn,zn,zn, "VelocityZ", RealDouble, &range_min,
&range_max, wp);
cg_field_read(fn,bn,zn,sn, "AngularVelocityX", RealDouble, &range_min,
&range_max, ox);
cg_field_read(fn,bn,zn,sn, "AngularVelocityY", RealDouble, &range_min,
&range_max, oy);
cg_field_read(fn,bn,zn,zn, "AngularVelocityZ", RealDouble, &range_min,
&range_max, oz);
// Calculate mean
double up_mean = 0.;
double vp_mean = 0.;
double wp_mean = 0.;
double inparts = 1./nparts;
for (int p = 0; p < nparts; p++) {
up_mean += inparts*up[p];
vp_mean += inparts*vp[p];
wp_mean += inparts*wp[p];
}
for (int p = 0; p < nparts; p++) {
// subtract mean
up[p] -= up_mean;
vp[p] -= vp_mean;
wp[p] -= wp_mean;
// Calculate temperatures
T_perp[p] = mass*(up[p]*up[p] + vp[p]*vp[p]);
T_z[p] = mass*(wp[p]*wp[p]);
T[p] = (T_perp[p] + T_z[p])/3.;
// Speed
U[p] = sqrt(up[p]*up[p] + vp[p]*vp[p] + wp[p]*wp[p]);
// Ke
ke_rot[p] = 0.5*meanI*(ox[p]*ox[p] + oy[p]*oy[p] + oz[p]*oz[p]);
ke_trans[p] = 1.5*T[p];
ke[p] = ke_rot[p] + ke_trans[p];
}
cg_close(fn);
}
// Read domain
void domain_init(void)
{
int fret = 0;
fret = fret; // prevent compiler warning
// read nparts from part.config
char fname[FILE_NAME_SIZE] = "";
sprintf(fname, "%s/input/part.config", SIM_ROOT_DIR);
FILE *infile = fopen(fname, "r");
if (infile == NULL) {
printf("Could not open file %s\n", fname);
exit(EXIT_FAILURE);
}
fret = fscanf(infile, "n %d\n", &nparts);
fclose(infile);
// Set up variables
up = (double*) malloc(nparts * sizeof(double));
vp = (double*) malloc(nparts * sizeof(double));
wp = (double*) malloc(nparts * sizeof(double));
ox = (double*) malloc(nparts * sizeof(double));
oy = (double*) malloc(nparts * sizeof(double));
oz = (double*) malloc(nparts * sizeof(double));
U = (double*) malloc(nparts * sizeof(double));
ke = (double*) malloc(nparts * sizeof(double));
ke_rot = (double*) malloc(nparts * sizeof(double));
ke_trans = (double*) malloc(nparts * sizeof(double));
T = (double*) malloc(nparts * sizeof(double));
T_perp = (double*) malloc(nparts * sizeof(double));
T_z = (double*) malloc(nparts * sizeof(double));
for (int i = 0; i < nparts; i++) {
up[i] = 0.;
vp[i] = 0.;
wp[i] = 0.;
ox[i] = 0.;
oy[i] = 0.;
oz[i] = 0.;
U[i] = 0.;
ke[i] = 0.;
ke_rot[i] = 0.;
ke_trans[i] = 0.;
T[i] = 0.;
T_perp[i] = 0.;
T_z[i] = 0.;
}
hist_U = (int*) malloc(nBins * sizeof(int));
hist_ke = (int*) malloc(nBins * sizeof(int));
hist_ke_rot = (int*) malloc(nBins * sizeof(int));
hist_ke_trans = (int*) malloc(nBins * sizeof(int));
hist_T = (int*) malloc(nBins * sizeof(int));
hist_T_perp = (int*) malloc(nBins * sizeof(int));
hist_T_z = (int*) malloc(nBins * sizeof(int));
hist_ux = (int*) malloc(nBins * sizeof(int));
hist_vy = (int*) malloc(nBins * sizeof(int));
hist_wz = (int*) malloc(nBins * sizeof(int));
for (int i = 0; i < nBins; i++) {
hist_U[i] = 0;
hist_ke[i] = 0;
hist_ke_rot[i] = 0;
hist_ke_trans[i] = 0;
hist_T[i] = 0;
hist_T_perp[i] = 0;
hist_T_z[i] = 0;
hist_ux[i] = 0;
hist_vy[i] = 0;
hist_wz[i] = 0;
}
// Init parts
char buf[FILE_NAME_SIZE];
sprintf(buf, "%s/%s/%s", SIM_ROOT_DIR,OUTPUT_DIR, files[fileMap[0]]);
int fn;
cg_open(buf, CG_MODE_READ, &fn);
// SEt base, zone, soln
int bn = 1;
int zn = 1;
int sn = 1;
cgsize_t range_min = 1;
cgsize_t range_max = nparts;
// Read part radius
double *r = malloc(nparts * sizeof(double));
double *rho = malloc(nparts * sizeof(double));
cg_field_read(fn,bn,zn,sn, "Radius", RealDouble, &range_min, &range_max, r);
cg_field_read(fn,bn,zn,sn, "Density", RealDouble, &range_min, &range_max, rho);
// Calculate meanR, rho, meanI, mass
meanR = 0.;
double meanRho = 0.;
for (int p = 0; p < nparts; p++) {
meanR += r[p];
meanRho += rho[p];
}
meanR /= nparts;
meanRho /= nparts;
mass = 4./3.*PI*meanR*meanR*meanR * meanRho;
meanI = 2.*mass*meanR*meanR/5.;
cg_close(fn);
free(r);
free(rho);
}
