/*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
*<LicenseText>
*=====================================================================
*
* CitcomS
* ---------------------------------
*
* Authors:
* Louis Moresi, Shijie Zhong, Lijie Han, Eh Tan,
* Clint Conrad, Michael Gurnis, and Eun-seo Choi
* (c) California Institute of Technology 1994-2005
*
* By downloading and/or installing this software you have
* agreed to the CitcomS.py-LICENSE bundled with this software.
* Free for non-commercial academic research ONLY.
* This program is distributed WITHOUT ANY WARRANTY whatsoever.
*
*=====================================================================
*
* Copyright June 2005, by the California Institute of Technology.
* ALL RIGHTS RESERVED. United States Government Sponsorship Acknowledged.
*
* Any commercial use must be negotiated with the Office of Technology
* Transfer at the California Institute of Technology. This software
* may be subject to U.S. export control laws and regulations. By
* accepting this software, the user agrees to comply with all
* applicable U.S. export laws and regulations, including the
* International Traffic and Arms Regulations, 22 C.F.R. 120-130 and
* the Export Administration Regulations, 15 C.F.R. 730-744. User has
* the responsibility to obtain export licenses, or other export
* authority as may be required before exporting such information to
* foreign countries or providing access to foreign nationals. In no
* event shall the California Institute of Technology be liable to any
* party for direct, indirect, special, incidental or consequential
* damages, including lost profits, arising out of the use of this
* software and its documentation, even if the California Institute of
* Technology has been advised of the possibility of such damage.
*
* The California Institute of Technology specifically disclaims any
* warranties, including the implied warranties or merchantability and
* fitness for a particular purpose. The software and documentation
* provided hereunder is on an "as is" basis, and the California
* Institute of Technology has no obligations to provide maintenance,
* support, updates, enhancements or modifications.
*
*=====================================================================
*</LicenseText>
*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
/* Functions relating to the building and use of mesh locations ... */
#include <math.h>
#include <sys/types.h>
#include "element_definitions.h"
#include "global_defs.h"
void coord_of_cap(E,m,icap)
struct All_variables *E;
int icap,m;
{
int i,j,k,lev,temp,elx,ely,nox,noy,noz,node,nodes;
int nprocxl,nprocyl,nproczl;
int nnproc;
int gnox,gnoy,gnoz;
int nodesx,nodesy;
char output_file[255];
char a[100];
int nn,step;
FILE *fp;
float *theta1[MAX_LEVELS],*fi1[MAX_LEVELS];
double *SX[2];
double *tt,*ff;
double dt,df;
double myatan();
void parallel_process_termination();
void even_divide_arc12();
m=1;
gnox=E->mesh.nox;
gnoy=E->mesh.noy;
gnoz=E->mesh.noz;
nox=E->lmesh.nox;
noy=E->lmesh.noy;
noz=E->lmesh.noz;
nprocxl=E->parallel.nprocx;
nprocyl=E->parallel.nprocy;
nproczl=E->parallel.nprocz;
nnproc=nprocyl*nprocxl*nproczl;
temp = max(E->mesh.NOY[E->mesh.levmax],E->mesh.NOX[E->mesh.levmax]);
if(E->control.coor==1) {
for(i=E->mesh.gridmin;i<=E->mesh.gridmax;i++) {
theta1[i] = (float *)malloc((temp+1)*sizeof(float));
fi1[i] = (float *)malloc((temp+1)*sizeof(float));
}
temp = E->mesh.NOY[E->mesh.levmax]*E->mesh.NOX[E->mesh.levmax];
sprintf(output_file,"%s",E->control.coor_file);
fp=fopen(output_file,"r");
if (fp == NULL) {
fprintf(E->fp,"(Sphere_related #1) Cannot open %s\n",output_file);
exit(8);
}
fscanf(fp,"%s %d",a,&nn);
for(i=1;i<=gnox;i++) {
fscanf(fp,"%d %e",&nn,&theta1[E->mesh.gridmax][i]);
}
E->control.theta_min = theta1[E->mesh.gridmax][1];
E->control.theta_max = theta1[E->mesh.gridmax][gnox];
fscanf(fp,"%s %d",a,&nn);
for(i=1;i<=gnoy;i++) {
fscanf(fp,"%d %e",&nn,&fi1[E->mesh.gridmax][i]);
}
E->control.fi_min = fi1[E->mesh.gridmax][1];
E->control.fi_max = fi1[E->mesh.gridmax][gnox];
fclose(fp);
for (lev=E->mesh.gridmin;lev<=E->mesh.gridmax;lev++) {
if (E->control.NMULTIGRID||E->control.EMULTIGRID)
step = (int) pow(2.0,(double)(E->mesh.levmax-lev));
else
step = 1;
for (i=1;i<=E->mesh.NOX[lev];i++)
theta1[lev][i] = theta1[E->mesh.gridmax][(i-1)*step+1];
for (i=1;i<=E->mesh.NOY[lev];i++)
fi1[lev][i] = fi1[E->mesh.gridmax][(i-1)*step+1];
}
for (lev=E->mesh.gridmin;lev<=E->mesh.gridmax;lev++) {
elx = E->lmesh.ELX[lev];
ely = E->lmesh.ELY[lev];
nox = E->lmesh.NOX[lev];
noy = E->lmesh.NOY[lev];
noz = E->lmesh.NOZ[lev];
/* evenly divide arc linking 1 and 2, and the arc linking 4 and 3 */
/* get the coordinates for the entire cap */
for (j=1;j<=nox;j++)
for (k=1;k<=noy;k++) {
nodesx = E->lmesh.NXS[lev]+j-1;
nodesy = E->lmesh.NYS[lev]+k-1;
for (i=1;i<=noz;i++) {
node = i + (j-1)*noz + (k-1)*nox*noz;
/* theta,fi,and r coordinates */
E->SX[lev][m][1][node] = theta1[lev][nodesx];
E->SX[lev][m][2][node] = fi1[lev][nodesy];
E->SX[lev][m][3][node] = E->sphere.R[lev][i];
/* x,y,and z oordinates */
E->X[lev][m][1][node] =
E->sphere.R[lev][i]*sin(theta1[lev][nodesx])*cos(fi1[lev][nodesy]);
E->X[lev][m][2][node] =
E->sphere.R[lev][i]*sin(theta1[lev][nodesx])*sin(fi1[lev][nodesy]);
E->X[lev][m][3][node] =
E->sphere.R[lev][i]*cos(theta1[lev][nodesx]);
}
}
} /* end for lev */
for (lev=E->mesh.gridmin;lev<=E->mesh.gridmax;lev++) {
free ((void *)theta1[lev]);
free ((void *)fi1[lev] );
}
}
else if(E->control.coor==0) {
/*
for(i=1;i<=5;i++) {
x[i] = (double *) malloc((E->parallel.nproc+1)*sizeof(double));
y[i] = (double *) malloc((E->parallel.nproc+1)*sizeof(double));
z[i] = (double *) malloc((E->parallel.nproc+1)*sizeof(double));
*/
tt = (double *) malloc((4+1)*sizeof(double));
ff = (double *) malloc((4+1)*sizeof(double));
temp = E->lmesh.NOY[E->mesh.levmax]*E->lmesh.NOX[E->mesh.levmax];
SX[0] = (double *)malloc((temp+1)*sizeof(double));
SX[1] = (double *)malloc((temp+1)*sizeof(double));
tt[1] = E->sphere.cap[m].theta[1]+(E->sphere.cap[m].theta[2] -E->sphere.cap[m].theta[1])/nprocxl*(E->parallel.me_loc[1]);
tt[2] = E->sphere.cap[m].theta[1]+(E->sphere.cap[m].theta[2] -E->sphere.cap[m].theta[1])/nprocxl*(E->parallel.me_loc[1]+1);
tt[3] = tt[2];
tt[4] = tt[1];
ff[1] = E->sphere.cap[m].fi[1]+(E->sphere.cap[m].fi[4] -E->sphere.cap[1].fi[1])/nprocyl*(E->parallel.me_loc[2]);
ff[2] = ff[1];
ff[3] = E->sphere.cap[m].fi[1]+(E->sphere.cap[m].fi[4] -E->sphere.cap[1].fi[1])/nprocyl*(E->parallel.me_loc[2]+1);
ff[4] = ff[3];
for (lev=E->mesh.levmin;lev<=E->mesh.levmax;lev++) {
elx = E->lmesh.ELX[lev];
ely = E->lmesh.ELY[lev];
nox = E->lmesh.NOX[lev];
noy = E->lmesh.NOY[lev];
noz = E->lmesh.NOZ[lev];
/* evenly divide arc linking 1 and 2, and the arc linking 4 and 3 */
for(j=1;j<=nox;j++) {
dt=(tt[3]-tt[1])/elx;
df=(ff[3]-ff[1])/ely;
for (k=1;k<=noy;k++) {
nodes = j + (k-1)*nox;
SX[0][nodes] = tt[1]+dt*(j-1);
SX[1][nodes] = ff[1]+df*(k-1);
}
} /* end for j */
/* get the coordinates for the entire cap */
for (j=1;j<=nox;j++)
for (k=1;k<=noy;k++) {
nodes = j + (k-1)*nox;
for (i=1;i<=noz;i++) {
node = i + (j-1)*noz + (k-1)*nox*noz;
/* theta,fi,and r coordinates */
E->SX[lev][m][1][node] = SX[0][nodes];
E->SX[lev][m][2][node] = SX[1][nodes];
E->SX[lev][m][3][node] = E->sphere.R[lev][i];
/* x,y,and z oordinates */
E->X[lev][m][1][node] =
E->sphere.R[lev][i]*sin(SX[0][nodes])*cos(SX[1][nodes]);
E->X[lev][m][2][node] =
E->sphere.R[lev][i]*sin(SX[0][nodes])*sin(SX[1][nodes]);
E->X[lev][m][3][node] =
E->sphere.R[lev][i]*cos(SX[0][nodes]);
}
}
} /* end for lev */
free ((void *)SX[0]);
free ((void *)SX[1]);
free ((void *)tt);
free ((void *)ff);
}
return;
}
/* =================================================
this routine evenly divides the arc between points
1 and 2 in a great cicle. The word "evenly" means
anglewise evenly.
=================================================*/
void even_divide_arc12(elx,x1,y1,z1,x2,y2,z2,theta,fi)
double x1,y1,z1,x2,y2,z2,*theta,*fi;
int elx;
{
double dx,dy,dz,xx,yy,zz,myatan();
int j, nox;
nox = elx+1;
dx = (x2 - x1)/elx;
dy = (y2 - y1)/elx;
dz = (z2 - z1)/elx;
for (j=1;j<=nox;j++) {
xx = x1 + dx*(j-1) + 5.0e-32;
yy = y1 + dy*(j-1);
zz = z1 + dz*(j-1);
theta[j] = acos(zz/sqrt(xx*xx+yy*yy+zz*zz));
fi[j] = myatan(yy,xx);
}
return;
}
/* =================================================
rotate the mesh
=================================================*/
void rotate_mesh(E,m,icap)
struct All_variables *E;
int icap,m;
{
int i,lev;
double t[4],myatan();
for (lev=E->mesh.levmin;lev<=E->mesh.levmax;lev++) {
for (i=1;i<=E->lmesh.NNO[lev];i++) {
t[0] = E->X[lev][m][1][i]*E->sphere.dircos[1][1]+
E->X[lev][m][2][i]*E->sphere.dircos[1][2]+
E->X[lev][m][3][i]*E->sphere.dircos[1][3];
t[1] = E->X[lev][m][1][i]*E->sphere.dircos[2][1]+
E->X[lev][m][2][i]*E->sphere.dircos[2][2]+
E->X[lev][m][3][i]*E->sphere.dircos[2][3];
t[2] = E->X[lev][m][1][i]*E->sphere.dircos[3][1]+
E->X[lev][m][2][i]*E->sphere.dircos[3][2]+
E->X[lev][m][3][i]*E->sphere.dircos[3][3];
E->X[lev][m][1][i] = t[0];
E->X[lev][m][2][i] = t[1];
E->X[lev][m][3][i] = t[2];
E->SX[lev][m][1][i] = acos(t[2]/E->SX[lev][m][3][i]);
E->SX[lev][m][2][i] = myatan(t[1],t[0]);
}
} /* lev */
return;
}
