Revision 7384d4ccc87dcf602f3183125733cfc04af1a86b authored by Eh Tan on 14 June 2007, 17:55:31 UTC, committed by Eh Tan on 14 June 2007, 17:55:31 UTC
1 parent 25bb6b1
Problem_related.c
/*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
*<LicenseText>
*
* CitcomS by Louis Moresi, Shijie Zhong, Lijie Han, Eh Tan,
* Clint Conrad, Michael Gurnis, and Eun-seo Choi.
* Copyright (C) 1994-2005, California Institute of Technology.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*</LicenseText>
*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#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;
{
(E->solver.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;
{
(E->solver.read_input_files_for_timesteps)(E,3,1); /* read element material(3) and output(1) */
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);
}
return(age_in_MY);
}
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