https://github.com/geodynamics/citcoms
Tip revision: 74e1fe0aaa5811939f0483e545b9712885ca4722 authored by Eh Tan on 15 May 2003, 07:07:54 UTC
first created
first created
Tip revision: 74e1fe0
Problem_related.c
#include <math.h>
#include <sys/types.h>
#include "element_definitions.h"
#include "global_defs.h"
/*=======================================================================
read velocity vectors at the top surface from files
=========================================================================*/
void read_velocity_boundary_from_file(E)
struct All_variables *E;
{
void read_input_files_for_timesteps();
read_input_files_for_timesteps(E,1,1); /* read velocity(1) and output(1) */
return;
}
/*=======================================================================
construct material array
=========================================================================*/
void read_mat_from_file(E)
struct All_variables *E;
{
float find_age_in_MY();
int nn,m,i,j,k,kk,el,lev,els;
int elx,ely,elz,e,elg,emax,gmax;
float *VIP1,*VIP2;
float age1,newage1,newage2;
int nodea,nage;
int llayer;
int layers();
FILE *fp,*fp1,*fp2,*fp3,*fp4;
char output_file[255];
const int dims=E->mesh.nsd,dofs=E->mesh.dof;
const int ends=enodes[dims];
elx=E->lmesh.elx;
elz=E->lmesh.elz;
ely=E->lmesh.ely;
emax=E->mesh.elx*E->mesh.elz*E->mesh.ely;
gmax=E->mesh.elx*E->mesh.ely;
VIP1 = (float*) malloc ((gmax+1)*sizeof(float));
VIP2 = (float*) malloc ((gmax+1)*sizeof(float));
for(m=1;m<=E->sphere.caps_per_proc;m++)
for (el=1; el<=elx*ely*elz; el++) {
nodea = E->ien[m][el].node[2];
llayer = layers(E,m,nodea);
if (llayer) { /* for layers:1-lithosphere,2-upper, 3-trans, and 4-lower mantle */
E->mat[m][el] = llayer;
}
}
if(E->control.mat_control==1) {
age1 = find_age_in_MY(E);
nage=age1/1.;
newage1=1.*nage;
sprintf(output_file,"%s%0.0f",E->control.mat_file,newage1);
if(E->parallel.me==0)
fprintf(E->fp,"%s %f %s\n","newage1",newage1,output_file);
fp1=fopen(output_file,"r");
if (fp1 == NULL) {
fprintf(E->fp,"(Problem_related #1) Cannot open %s\n",output_file);
exit(8);
}
newage2=newage1+1.;
sprintf(output_file,"%s%0.0f",E->control.mat_file,newage2);
if(E->parallel.me==0)
fprintf(E->fp,"%s %f %s\n","newage2",newage2,output_file);
fp2=fopen(output_file,"r");
if (fp2 == NULL) {
fprintf(E->fp,"(Problem_related #2) Cannot open %s\n",output_file);
exit(8);
}
for(i=1;i<=gmax;i++) {
fscanf(fp1,"%d %f", &nn,&(VIP1[i]));
fscanf(fp2,"%d %f", &nn,&(VIP2[i]));
}
fclose(fp1);
fclose(fp2);
for (m=1;m<=E->sphere.caps_per_proc;m++)
for (k=1;k<=ely;k++)
for (i=1;i<=elx;i++) {
elg = E->lmesh.exs+i + (E->lmesh.eys+k-1)*E->mesh.elx;
for (j=1;j<=elz;j++) {
el = j + (i-1)*E->lmesh.elz + (k-1)*E->lmesh.elz*E->lmesh.elx;
if(E->sx[m][3][E->ien[m][el].node[2]]>=E->sphere.ro-E->viscosity.zlith)
E->VIP[m][el] = VIP1[elg]+(VIP2[elg]-VIP1[elg])/(newage2-newage1)*(age1-newage1);
} /* end for j */
} /* end for m */
} /* end for E->control.mat==1 */
/*
sprintf(output_file,"mat.%d",E->parallel.me);
fp=fopen(output_file,"w");
if (fp == NULL) {
fprintf(E->fp,"(Problem_related #3) Cannot open %s\n",output_file);
exit(8);
}
for (m=1;m<=E->sphere.caps_per_proc;m++)
for(el=1;el<=E->lmesh.nel;el++)
fprintf(fp,"%d %d %f\n", el,E->mat[m][el],E->VIP[m][el]);
fclose(fp);
*/
free ((void *) VIP1);
free ((void *) VIP2);
return;
}
/*=======================================================================
Calculate ages (MY) for opening input files -> material, ages, velocities
Open these files, read in results, and average if necessary
=========================================================================*/
void read_input_files_for_timesteps(E,action,output)
struct All_variables *E;
int action, output;
{
float find_age_in_MY();
FILE *fp1, *fp2;
float age, newage1, newage2;
char output_file1[255],output_file2[255];
float *VB1[4],*VB2[4], inputage1, inputage2;
int nox,noz,noy,nnn,nox1,noz1,noy1,lev;
int i,ii,ll,mm,j,k,n,nodeg,nodel,node;
int intage, pos_age;
const int dims=E->mesh.nsd;
pos_age = 1;
nox=E->mesh.nox;
noy=E->mesh.noy;
noz=E->mesh.noz;
nox1=E->lmesh.nox;
noz1=E->lmesh.noz;
noy1=E->lmesh.noy;
lev=E->mesh.levmax;
age=find_age_in_MY(E);
intage = age;
newage1 = 1.0*intage;
newage2 = 1.0*intage + 1.0;
if (newage1 < 0.0) { /* age is negative -> use age=0 for input files */
newage1 = 0.0;
pos_age = 0;
}
switch (action) { /* set up files to open */
case 1: /* read velocity boundary conditions */
sprintf(output_file1,"%s%0.0f",E->control.velocity_boundary_file,newage1);
sprintf(output_file2,"%s%0.0f",E->control.velocity_boundary_file,newage2);
fp1=fopen(output_file1,"r");
if (fp1 == NULL) {
fprintf(E->fp,"(Problem_related #4) Cannot open %s\n",output_file1);
exit(8);
}
if (pos_age) {
fp2=fopen(output_file2,"r");
if (fp2 == NULL) {
fprintf(E->fp,"(Problem_related #5) Cannot open %s\n",output_file2);
exit(8);
}
}
if((E->parallel.me==0) && (output==1)) {
fprintf(E->fp,"Velocity: Starting Age = %g, Elapsed time = %g, Current Age = %g\n",E->control.start_age,E->monitor.elapsed_time,age);
fprintf(E->fp,"Velocity: File1 = %s\n",output_file1);
if (pos_age)
fprintf(E->fp,"Velocity: File2 = %s\n",output_file2);
else
fprintf(E->fp,"Velocity: File2 = No file inputted (negative age)\n");
}
break;
case 2: /* read ages for lithosphere tempperature boundary conditions */
sprintf(output_file1,"%s%0.0f",E->control.lith_age_file,newage1);
sprintf(output_file2,"%s%0.0f",E->control.lith_age_file,newage2);
fp1=fopen(output_file1,"r");
if (fp1 == NULL) {
fprintf(E->fp,"(Problem_related #6) Cannot open %s\n",output_file1);
exit(8);
}
if (pos_age) {
fp2=fopen(output_file2,"r");
if (fp2 == NULL) {
fprintf(E->fp,"(Problem_related #7) Cannot open %s\n",output_file2);
exit(8);
}
}
if((E->parallel.me==0) && (output==1)) {
fprintf(E->fp,"Age: Starting Age = %g, Elapsed time = %g, Current Age = %g\n",E->control.start_age,E->monitor.elapsed_time,age);
fprintf(E->fp,"Age: File1 = %s\n",output_file1);
if (pos_age)
fprintf(E->fp,"Age: File2 = %s\n",output_file2);
else
fprintf(E->fp,"Age: File2 = No file inputted (negative age)\n");
}
break;
} /* end switch */
switch (action) { /* Read the contents of files and average */
case 1: /* velocity boundary conditions */
nnn=nox*noy;
for(i=1;i<=dims;i++) {
VB1[i]=(float*) malloc ((nnn+1)*sizeof(float));
VB2[i]=(float*) malloc ((nnn+1)*sizeof(float));
}
for(i=1;i<=nnn;i++) {
fscanf(fp1,"%f %f",&(VB1[1][i]),&(VB1[2][i]));
VB1[1][i]=E->data.timedir*VB1[1][i];
VB1[2][i]=E->data.timedir*VB1[2][i];
if (pos_age) {
fscanf(fp2,"%f %f",&(VB2[1][i]),&(VB2[2][i]));
VB2[1][i]=E->data.timedir*VB2[1][i];
VB2[2][i]=E->data.timedir*VB2[2][i];
}
}
fclose(fp1);
if (pos_age) fclose(fp2);
if(E->parallel.me_locl[3]==E->parallel.nproczl-1 ) {
for(k=1;k<=noy1;k++)
for(i=1;i<=nox1;i++) {
nodeg = E->lmesh.nxs+i-1 + (E->lmesh.nys+k-2)*nox;
nodel = (k-1)*nox1*noz1 + (i-1)*noz1+noz1;
if (pos_age) { /* positive ages - we must interpolate */
E->sphere.cap[1].VB[1][nodel] = (VB1[1][nodeg] + (VB2[1][nodeg]-VB1[1][nodeg])/(newage2-newage1)*(age-newage1))*E->data.scalev;
E->sphere.cap[1].VB[2][nodel] = (VB1[2][nodeg] + (VB2[2][nodeg]-VB1[2][nodeg])/(newage2-newage1)*(age-newage1))*E->data.scalev;
E->sphere.cap[1].VB[3][nodel] = 0.0;
}
else { /* negative ages - don't do the interpolation */
E->sphere.cap[1].VB[1][nodel] = VB1[1][nodeg];
E->sphere.cap[1].VB[2][nodel] = VB1[2][nodeg];
E->sphere.cap[1].VB[3][nodel] = 0.0;
}
}
} /* end of E->parallel.me_loc[3]==E->parallel.nproczl-1 */
for(i=1;i<=dims;i++) {
free ((void *) VB1[i]);
free ((void *) VB2[i]);
}
break;
case 2: /* ages for lithosphere temperature boundary conditions */
for(i=1;i<=noy;i++)
for(j=1;j<=nox;j++) {
node=j+(i-1)*nox;
fscanf(fp1,"%f",&inputage1);
if (pos_age) { /* positive ages - we must interpolate */
fscanf(fp2,"%f",&inputage2);
E->age_t[node] = (inputage1 + (inputage2-inputage1)/(newage2-newage1)*(age-newage1))/E->data.scalet;
}
else { /* negative ages - don't do the interpolation */
E->age_t[node] = inputage1;
}
}
fclose(fp1);
if (pos_age) fclose(fp2);
break;
} /* end switch */
return;
}
/*=======================================================================
Open restart file to get initial elapsed time, or calculate the right value
=========================================================================*/
void get_initial_elapsed_time(E)
struct All_variables *E;
{
FILE *fp;
int ll, mm;
char output_file[255],input_s[1000];
E->monitor.elapsed_time = 0.0;
if ((E->control.restart || E->control.post_p)) {
sprintf(output_file, "%s.velo.%d.%d",E->control.old_P_file,E->parallel.me,E->monitor.solution_cycles_init);
fp=fopen(output_file,"r");
if (fp == NULL) {
fprintf(E->fp,"(Problem_related #8) Cannot open %s\n",output_file);
exit(8);
}
fgets(input_s,1000,fp);
sscanf(input_s,"%d %d %f",&ll,&mm,&E->monitor.elapsed_time);
fclose(fp);
} /* end control.restart */
return;
}
/*=======================================================================
Sets the elapsed time to zero, if desired.
=========================================================================*/
void set_elapsed_time(E)
struct All_variables *E;
{
if (E->control.zero_elapsed_time) /* set elapsed_time to zero */
E->monitor.elapsed_time = 0.0;
return;
}
/*=======================================================================
Resets the age at which to start time (startage) to the end of the previous
run, if desired.
=========================================================================*/
void set_starting_age(E)
struct All_variables *E;
{
/* remember start_age is in MY */
if (E->control.reset_startage)
E->control.start_age = E->monitor.elapsed_time*E->data.scalet;
return;
}
/*=======================================================================
Returns age at which to open an input file (velocity, material, age)
NOTE: Remember that ages are positive, but going forward in time means
making ages SMALLER!
=========================================================================*/
float find_age_in_MY(E)
struct All_variables *E;
{
float age_in_MY, e_4;
e_4=1.e-4;
if (E->data.timedir >= 0) { /* forward convection */
age_in_MY = E->control.start_age - E->monitor.elapsed_time*E->data.scalet;
}
else { /* backward convection */
age_in_MY = E->control.start_age + E->monitor.elapsed_time*E->data.scalet;
}
if (((age_in_MY+e_4) < 0.0) && (E->monitor.solution_cycles <= 1)) {
if (E->parallel.me == 0) fprintf(stderr,"Age = %g Ma, Initial age should not be negative!\n",age_in_MY);
exit(11);
}
else {
age_in_MY = fabs(age_in_MY);
}
return(age_in_MY);
}