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io_utils.c
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io_utils.c
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/*
* io_utils.c
*
* Created by Bernard Giroux on 10-08-28.
*
*/
/*
* Copyright (c) 2011, Bernard Giroux
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the University of California, Berkeley nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/stat.h>
#include <ctype.h>
#include <errno.h>
#include <math.h>
#include <unistd.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <netcdf.h>
/* Handle errors by printing an error message and exiting with a
* non-zero status. */
#define ERRCODE 2
#define ERR(e) {printf("Error: %s\n", nc_strerror(e)); exit(ERRCODE);}
#include "io_utils.h"
extern int verbose;
extern char *parFormat;
extern char *modelFormat;
extern char *srcFormat;
extern char *rcvFormat;
extern char *optarg;
void set_defaults(struct grid *g, struct inputParams *p) {
g->coord = CARTESIAN;
g->nx = 300;
g->nz = 360;
g->x0 = 0.0;
g->z0 = 0.0;
g->dx = 5.0;
g->dz = 5.0;
g->ab.np = 20;
g->ab.alfa = 0.16;
g->ab.vmax = 5000.0;
g->ab.pmlOrder = 2.;
g->ab.Rc = 1.e-5;
g->ab.kappa_max = 1.;
g->ab.alpha_max = 1;
g->Qdamping = 0;
p->iwipe = 0;
p->plotStrips = 0;
p->checkpoint = 0;
p->segy = 0;
p->check_model = 0;
p->chkpt_inc = 0;
p->dt = 1.e-4;
p->duration = 1.2;
strcpy(p->basename, "run01");
p->saveEnergy = 0;
p->roiExmin = 0.0;
p->roiExmax = 0.0;
p->roiEzmin = 0.0;
p->roiEzmax = 0.0;
p->shotpt_no = 1;
p->simulateCMP = 0;
p->n = 0;
}
void set_defaults_3d(struct grid3d *g, struct inputParams *p) {
g->nx = 300;
g->ny = 300;
g->nx = 360;
g->x0 = 0.0;
g->y0 = 0.0;
g->z0 = 0.0;
g->dx = 5.0;
g->dy = 5.0;
g->dz = 5.0;
g->ab.np = 20;
g->ab.alfa = 0.16;
g->ab.vmax = 5000.0;
g->ab.pmlOrder = 2.;
g->ab.Rc = 1.e-5;
g->ab.kappa_max = 1.;
g->ab.alpha_max = 1;
p->iwipe = 0;
p->plotStrips = 0;
p->checkpoint = 0;
p->segy = 0;
p->check_model = 0;
p->chkpt_inc = 0;
p->dt = 1.e-4;
p->duration = 1.2;
strcpy(p->basename, "run01");
p->saveEnergy = 0;
p->roiExmin = 0.0;
p->roiExmax = 0.0;
p->roiEzmin = 0.0;
p->roiEzmax = 0.0;
p->shotpt_no = 1;
p->simulateCMP = 0;
}
void print_usage( char *prog, FILE *out, int exit_code ) {
fprintf(out, "Usage: %s [options] -p parameter_file.dat\n", prog);
fprintf(out, "\noptions are:\n");
fprintf(out, " -h Print this message\n");
fprintf(out, " -v Verbose mode (type twice for increased verbosity)\n");
fprintf(out, " -c checkpoint_file.dat Restart run using data in checkpoint_file.dat (-p argument ignored)\n\n");
fprintf(out, "\n /*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\ \n\n");
fprintf(out, "%s", parFormat);
fprintf(out, "\n /*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\ \n\n");
fprintf(out, "%s", modelFormat);
fprintf(out, "\n /*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\ \n\n");
fprintf(out, "%s", srcFormat);
fprintf(out, "\n /*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\ \n\n");
fprintf(out, "%s", rcvFormat);
fprintf(out, "\n /*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\*/*\\ \n\n");
fflush(out);
exit( exit_code );
}
void process_args(int argc, char * const argv[], struct inputParams *p) {
int next_option;
const char* short_options = "c:hp:v";
char paramfile[80];
int modelSet=0, sourceSet=0, outputSet=0, no_option=1;
do {
next_option = getopt (argc, argv, short_options);
switch (next_option)
{
case 'c' :
strcpy(p->checkpointfile, optarg);
p->checkpoint = 1;
no_option = 0;
break;
case 'h' : /* -h or --help */
/* User has requested usage information. Print it to standard
output, and exit with exit code zero (normal termination). */
print_usage(argv[0], stdout, 0);
case 'p':
strcpy(paramfile, optarg);
no_option = 0;
break;
case 'v':
verbose++;
break;
case '?' : /* The user specified an invalid option. */
/* Print usage information to standard error, and exit with exit
code one (indicating abnormal termination). */
print_usage (argv[0], stderr, 1);
case -1: /* Done with options. */
break;
default: /* Something else: unexpected. */
abort ();
}
} while (next_option != -1);
if ( no_option==1 )
print_usage (argv[0], stderr, 1);
if ( p->checkpoint == 1 ) return;
FILE *fid;
fid = fopen(paramfile, "r");
if ( fid==NULL ) {
fprintf(stderr, "Error, cannot open parameter file %s for reading\n",
paramfile);
exit(1);
}
char line[200], value[50], keyword[50], *s1, *s2;
while ( fgets( line, 200, fid) != NULL ) {
if ( sscanf(line, "%s", value) <= 0 ) {
continue;
}
s1 = strchr(line, '#');
s1++;
s2 = strchr(line, ',');
s2[0] = '\0';
sscanf(s1, "%s", keyword);
if ( strcmp(keyword, "model") == 0 ) {
strcpy(p->modelfile, value);
modelSet = 1;
}
else if ( strcmp(keyword, "source") == 0 ) {
strcpy(p->sourcefile, value);
sourceSet = 1;
}
else if ( strcmp(keyword, "output") == 0 ) {
strcpy(p->outputfile, value);
outputSet = 1;
}
else if ( strcmp(keyword, "basename") == 0 ) {
strcpy(p->basename, value);
}
else if ( strcmp(keyword, "time") == 0 ) {
p->duration = strtod(value, NULL);
}
else if ( strcmp(keyword, "dt") == 0 ) {
p->dt = strtod(value, NULL) * 0.001; // convert ms to s
}
else if ( strcmp(keyword, "abs") == 0 ) {
p->iwipe = (short)atoi(value);
}
else if ( strcmp(keyword, "nl") == 0 ) {
p->ab->np = (size_t)atoi(value);
}
else if ( strcmp(keyword, "plstr") == 0 ) {
p->plotStrips = (short)atoi(value);
}
else if ( strcmp(keyword, "segy") == 0 ) {
p->segy = (short)atoi(value);
}
else if ( strcmp(keyword, "check_model") == 0 ) {
p->check_model = (short)atoi(value);
}
else if ( strcmp(keyword, "chkpt_inc") == 0 ) {
p->chkpt_inc = atoi(value);
}
else if ( strcmp(keyword, "Rc") == 0 ) {
p->ab->Rc = strtod(value, NULL);
}
else if ( strcmp(keyword, "kappa_max") == 0 ) {
p->ab->kappa_max = strtod(value, NULL);
}
else if ( strcmp(keyword, "pml_median") == 0 ) {
p->ab->median = (short)atoi(value);
}
else if ( strcmp(keyword, "alpha_max") == 0 ) {
p->ab->alpha_max = (short)atoi(value);
}
else if ( strcmp(keyword, "saveEnergy") == 0 ) {
p->saveEnergy = (short)atoi(value);
}
else if ( strcmp(keyword, "EnergyROI") == 0 ) {
sscanf(value, "%lf/%lf/%lf/%lf", &(p->roiExmin), &(p->roiExmax),
&(p->roiEzmin), &(p->roiEzmax));
}
else if ( strcmp(keyword, "shotpoint") == 0 ) {
p->shotpt_no = atoi(value);
}
else if ( strcmp(keyword, "simulateCMP") == 0 ) {
p->simulateCMP = atoi(value);
}
else if ( strcmp(keyword, "azimuthal_mode") == 0 ) {
p->n = atoi(value);
}
}
if ( p->iwipe == 0 ) p->ab->np = 0;
}
void read_grid_params(const char filename[], struct grid *g) {
FILE *fid;
fid = fopen(filename, "r");
if ( fid==NULL ) {
fprintf(stderr, "Error, cannot open %s for reading\n", filename);
exit(1);
}
fscanf(fid, "%zd %zd", &(g->nx), &(g->nz));
fscanf(fid, "%lf %lf", &(g->dx), &(g->dz));
fscanf(fid, "%lf %lf", &(g->x0), &(g->z0));
char type[30];
fscanf(fid, "%s", type);
for (size_t i=0; i<strlen(type); ++i ) type[i] = tolower(type[i]);
//short with_pml=0;
if ( strcmp(type, "isotropic_pml") == 0 ) { // pml layers included in model file
g->nx2 = g->nx;
g->nx -= 2*g->ab.np;
g->nz2 = g->nz;
g->nz -= 2*g->ab.np;
}
else if ( strcmp(type, "isotropic_elastic_cyl") == 0) {
g->coord = CYLINDRICAL;
g->nx2 = g->nx + g->ab.np;
g->nz2 = g->nz + 2*g->ab.np;
}
else {
g->nx2 = g->nx + 2*g->ab.np;
g->nz2 = g->nz + 2*g->ab.np;
}
fclose(fid);
}
void read_grid_params_ve_sh(const char filename[], struct grid *g,
struct materialPropertiesVE_SH_VTI *mp) {
FILE *fid;
fid = fopen(filename, "r");
if ( fid==NULL ) {
fprintf(stderr, "Error, cannot open %s for reading\n", filename);
exit(1);
}
fscanf(fid, "%zd %zd", &(g->nx), &(g->nz));
fscanf(fid, "%lf %lf", &(g->dx), &(g->dz));
fscanf(fid, "%lf %lf", &(g->x0), &(g->z0));
char type[30];
fscanf(fid, "%s", type);
for (size_t i=0; i<strlen(type); ++i ) type[i] = tolower(type[i]);
if ( strcmp(type, "vti_sh_viscoelastic") != 0 ) {
fprintf(stderr, "Error, model file %s not for a viscoelastic VTI medium\n", filename);
exit(1);
}
g->nx2 = g->nx + 2*g->ab.np;
g->nz2 = g->nz + 2*g->ab.np;
fclose(fid);
}
void read_grid_params_ve(const char filename[], struct grid *g,
struct materialPropertiesVE_VTI *mp) {
FILE *fid;
fid = fopen(filename, "r");
if ( fid==NULL ) {
fprintf(stderr, "Error, cannot open %s for reading\n", filename);
exit(1);
}
fscanf(fid, "%zd %zd", &(g->nx), &(g->nz));
fscanf(fid, "%lf %lf", &(g->dx), &(g->dz));
fscanf(fid, "%lf %lf", &(g->x0), &(g->z0));
char type[30];
fscanf(fid, "%s", type);
for (size_t i=0; i<strlen(type); ++i ) type[i] = tolower(type[i]);
if ( strcmp(type, "vti_viscoelastic") == 0 ) {
fscanf(fid, "%d", &(mp->L));
} else {
fprintf(stderr, "Error, model file %s not for a viscoelastic VTI medium\n", filename);
exit(1);
}
g->nx2 = g->nx + 2*g->ab.np;
g->nz2 = g->nz + 2*g->ab.np;
fclose(fid);
}
void read_grid3d_params(const char filename[], struct grid3d *g) {
FILE *fid;
fid = fopen(filename, "r");
if ( fid==NULL ) {
fprintf(stderr, "Error, cannot open %s for reading\n", filename);
exit(1);
}
fscanf(fid, "%zd %zd %zd", &(g->nx), &(g->ny), &(g->nz));
fscanf(fid, "%lf %lf %lf", &(g->dx), &(g->dy), &(g->dz));
fscanf(fid, "%lf %lf %lf", &(g->x0), &(g->y0), &(g->z0));
g->nx2 = g->nx + 2*g->ab.np;
g->ny2 = g->ny + 2*g->ab.np;
g->nz2 = g->nz + 2*g->ab.np;
fclose(fid);
}
void read_model(const char filename[], const struct grid *g,
struct materialProperties *mp) {
FILE *fid;
fid = fopen(filename, "r");
if ( fid==NULL ) {
fprintf(stderr, "Error, cannot open %s for reading\n", filename);
exit(1);
}
fscanf(fid, "%*d %*d");
fscanf(fid, "%*f %*f");
fscanf(fid, "%*f %*f");
char type[30];
fscanf(fid, "%s", type);
for (size_t i=0; i<strlen(type); ++i ) type[i] = tolower(type[i]);
short with_pml=0;
if ( strcmp(type, "isotropic_pml") == 0 ) {
with_pml = 1;
}
else if ( strcmp(type, "isotropic") != 0 ) {
fprintf(stderr, "Error, model in %s not isotropic\n", filename);
exit(1);
}
int flag1D=0, nread;
if ( with_pml == 0 ) {
size_t nv=0;
for (size_t i=0; i<g->nx; ++i) {
size_t ind = (i+g->ab.np)*g->nz2 + g->ab.np;
nread = fscanf(fid, "%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf",
&(mp->K_m[ind]),
&(mp->K_s[ind]),
&(mp->K_f[ind]),
&(mp->phi[ind]),
&(mp->mu[ind]),
&(mp->rho_s[ind]),
&(mp->rho_f[ind]),
&(mp->T[ind]),
&(mp->eta[ind]),
&(mp->kappa[ind]),
&(mp->Q[ind]),
&(mp->f0[ind]));
if ( nread<=0 && i==1 ) {
flag1D = 1;
break;
}
for (size_t j=1; j<g->nz; ++j, ++nv) {
ind = (i+g->ab.np)*g->nz2 + j+g->ab.np;
nread = fscanf(fid, "%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf",
&(mp->K_m[ind]),
&(mp->K_s[ind]),
&(mp->K_f[ind]),
&(mp->phi[ind]),
&(mp->mu[ind]),
&(mp->rho_s[ind]),
&(mp->rho_f[ind]),
&(mp->T[ind]),
&(mp->eta[ind]),
&(mp->kappa[ind]),
&(mp->Q[ind]),
&(mp->f0[ind]));
if (nread != 12) {
fprintf(stderr, "Error: something wrong with file %s\n", filename);
exit(1);
}
}
}
fclose(fid);
if ( flag1D == 1 ) {
for (size_t i=1; i<g->nx; ++i) {
for (size_t j=0; j<g->nz; ++j, ++nv) {
size_t ind = (i+g->ab.np)*g->nz2 + j+g->ab.np;
size_t ind0 = g->ab.np*g->nz2 + j+g->ab.np;
mp->K_m[ind] = mp->K_m[ind0];
mp->K_s[ind] = mp->K_s[ind0];
mp->K_f[ind] = mp->K_f[ind0];
mp->phi[ind] = mp->phi[ind0];
mp->mu[ind] = mp->mu[ind0];
mp->rho_s[ind] = mp->rho_s[ind0];
mp->rho_f[ind] = mp->rho_f[ind0];
mp->T[ind] = mp->T[ind0];
mp->eta[ind] = mp->eta[ind0];
mp->kappa[ind] = mp->kappa[ind0];
mp->Q[ind] = mp->Q[ind0];
mp->f0[ind] = mp->f0[ind0];
}
}
}
double Qend = 1.0;
// Duplicate values at edges of the model inside the absorbing sides of the grid
for (size_t i=0; i<g->nx; ++i) {
for (size_t j=0; j<g->ab.np; ++j) {
size_t i1 = (i+g->ab.np)*g->nz2 + j;
size_t i2 = (i+g->ab.np)*g->nz2 + g->ab.np;
mp->K_m[i1] = mp->K_m[i2];
mp->K_s[i1] = mp->K_s[i2];
mp->K_f[i1] = mp->K_f[i2];
mp->phi[i1] = mp->phi[i2];
mp->mu[i1] = mp->mu[i2];
mp->rho_s[i1] = mp->rho_s[i2];
mp->rho_f[i1] = mp->rho_f[i2];
mp->T[i1] = mp->T[i2];
mp->eta[i1] = mp->eta[i2];
mp->kappa[i1] = mp->kappa[i2];
mp->f0[i1] = mp->f0[i2];
if ( g->Qdamping == 1 ) {
double K = ( Qend - mp->Q[i1] ) / (g->ab.np*g->ab.np*g->ab.np);
mp->Q[i1] = mp->Q[i2] + K*(j+1)*(j+1)*(j+1);
} else {
mp->Q[i1] = mp->Q[i2];
}
i1 = (i+g->ab.np)*g->nz2 + g->ab.np + g->nz + j;
i2 = (i+g->ab.np)*g->nz2 + g->ab.np + g->nz - 1;
mp->K_m[i1] = mp->K_m[i2];
mp->K_s[i1] = mp->K_s[i2];
mp->K_f[i1] = mp->K_f[i2];
mp->phi[i1] = mp->phi[i2];
mp->mu[i1] = mp->mu[i2];
mp->rho_s[i1] = mp->rho_s[i2];
mp->rho_f[i1] = mp->rho_f[i2];
mp->T[i1] = mp->T[i2];
mp->eta[i1] = mp->eta[i2];
mp->kappa[i1] = mp->kappa[i2];
mp->f0[i1] = mp->f0[i2];
if ( g->Qdamping == 1 ) {
double K = ( Qend - mp->Q[i1] ) / (g->ab.np*g->ab.np*g->ab.np);
mp->Q[i1] = mp->Q[i2] + K*(j+1)*(j+1)*(j+1);
} else {
mp->Q[i1] = mp->Q[i2];
}
}
}
for (size_t i=0; i<g->ab.np; ++i) {
for (size_t j=0; j<g->nz2; ++j) {
size_t i1 = i*g->nz2 + j;
size_t i2 = g->ab.np*g->nz2 + j;
mp->K_m[i1] = mp->K_m[i2];
mp->K_s[i1] = mp->K_s[i2];
mp->K_f[i1] = mp->K_f[i2];
mp->phi[i1] = mp->phi[i2];
mp->mu[i1] = mp->mu[i2];
mp->rho_s[i1] = mp->rho_s[i2];
mp->rho_f[i1] = mp->rho_f[i2];
mp->T[i1] = mp->T[i2];
mp->eta[i1] = mp->eta[i2];
mp->kappa[i1] = mp->kappa[i2];
mp->f0[i1] = mp->f0[i2];
if ( g->Qdamping == 1 ) {
double K = ( Qend - mp->Q[i1] ) / (g->ab.np*g->ab.np*g->ab.np);
mp->Q[i1] = mp->Q[i2] + K*(j+1)*(j+1)*(j+1);
} else {
mp->Q[i1] = mp->Q[i2];
}
i1 = (i+g->nx+g->ab.np)*g->nz2 + j;
i2 = (g->nx+g->ab.np-1)*g->nz2 + j;
mp->K_m[i1] = mp->K_m[i2];
mp->K_s[i1] = mp->K_s[i2];
mp->K_f[i1] = mp->K_f[i2];
mp->phi[i1] = mp->phi[i2];
mp->mu[i1] = mp->mu[i2];
mp->rho_s[i1] = mp->rho_s[i2];
mp->rho_f[i1] = mp->rho_f[i2];
mp->T[i1] = mp->T[i2];
mp->eta[i1] = mp->eta[i2];
mp->kappa[i1] = mp->kappa[i2];
mp->f0[i1] = mp->f0[i2];
if ( g->Qdamping == 1 ) {
double K = ( Qend - mp->Q[i1] ) / (g->ab.np*g->ab.np*g->ab.np);
mp->Q[i1] = mp->Q[i2] + K*(j+1)*(j+1)*(j+1);
} else {
mp->Q[i1] = mp->Q[i2];
}
}
}
} else {
for (size_t i=0, ind=0; i<g->nx2; ++i) {
for (size_t j=0; j<g->nz2; ++j) {
nread = fscanf(fid, "%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf",
&(mp->K_m[ind]),
&(mp->K_s[ind]),
&(mp->K_f[ind]),
&(mp->phi[ind]),
&(mp->mu[ind]),
&(mp->rho_s[ind]),
&(mp->rho_f[ind]),
&(mp->T[ind]),
&(mp->eta[ind]),
&(mp->kappa[ind]),
&(mp->Q[ind]),
&(mp->f0[ind]));
ind++;
if (nread != 12 && ind<(g->nx2*g->nz2) ) {
fprintf(stderr, "Error: something wrong with file, value %zd %s\n",
ind, filename);
exit(1);
}
}
}
fclose(fid);
}
}
void read_modelVTI(const char filename[], const struct grid *g,
struct materialPropertiesVTI *mp) {
FILE *fid;
fid = fopen(filename, "r");
if ( fid==NULL ) {
fprintf(stderr, "Error, cannot open %s for reading\n", filename);
exit(1);
}
fscanf(fid, "%*d %*d");
fscanf(fid, "%*f %*f");
fscanf(fid, "%*f %*f");
char type[30];
fscanf(fid, "%s", type);
for (size_t i=0; i<strlen(type); ++i ) type[i] = tolower(type[i]);
short with_pml=0;
if ( strcmp(type, "anisotropic__vti_pml") == 0 ) {
with_pml = 1;
}
else if ( strcmp(type, "anisotropic_vti") != 0 ) {
fprintf(stderr, "Error, model in %s not VTI anisotropic\n", filename);
exit(1);
}
int flag1D=0, nread;
double tmp1, tmp2;
if ( with_pml == 0 ) {
size_t nv=0;
for (size_t i=0; i<g->nx; ++i) {
size_t ind = (i+g->ab.np)*g->nz2 + g->ab.np;
nread = fscanf(fid, "%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf",
&(mp->K_m[ind]),
&(mp->K_s[ind]),
&(mp->K_f[ind]),
&(mp->phi[ind]),
&(mp->mu[ind]),
&(mp->rho_s[ind]),
&(mp->rho_f[ind]),
&(mp->T3[ind]),
&(mp->eta[ind]),
&(mp->kappa3[ind]),
&(mp->Q[ind]),
&(mp->f0[ind]),
&(mp->epsilon[ind]),
&(mp->delta[ind]),
&tmp1,
&tmp2);
mp->kappa1[ind] = mp->kappa3[ind] / tmp1;
mp->T1[ind] = mp->T3[ind] / tmp2;
if ( nread<=0 && i==1 ) {
flag1D = 1;
break;
}
for (size_t j=1; j<g->nz; ++j, ++nv) {
ind = (i+g->ab.np)*g->nz2 + j+g->ab.np;
nread = fscanf(fid, "%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf",
&(mp->K_m[ind]),
&(mp->K_s[ind]),
&(mp->K_f[ind]),
&(mp->phi[ind]),
&(mp->mu[ind]),
&(mp->rho_s[ind]),
&(mp->rho_f[ind]),
&(mp->T3[ind]),
&(mp->eta[ind]),
&(mp->kappa3[ind]),
&(mp->Q[ind]),
&(mp->f0[ind]),
&(mp->epsilon[ind]),
&(mp->delta[ind]),
&tmp1,
&tmp2);
mp->kappa1[ind] = mp->kappa3[ind] / tmp1;
mp->T1[ind] = mp->T3[ind] / tmp2;
if ( nread != 16 ) {
fprintf(stderr, "Error: something wrong with file %s\n", filename);
exit(1);
}
}
}
fclose(fid);
if ( flag1D == 1 ) {
for (size_t i=1; i<g->nx; ++i) {
for (size_t j=0; j<g->nz; ++j, ++nv) {
size_t ind = (i+g->ab.np)*g->nz2 + j+g->ab.np;
size_t ind0 = g->ab.np*g->nz2 + j+g->ab.np;
mp->K_m[ind] = mp->K_m[ind0];
mp->K_s[ind] = mp->K_s[ind0];
mp->K_f[ind] = mp->K_f[ind0];
mp->phi[ind] = mp->phi[ind0];
mp->mu[ind] = mp->mu[ind0];
mp->rho_s[ind] = mp->rho_s[ind0];
mp->rho_f[ind] = mp->rho_f[ind0];
mp->T1[ind] = mp->T1[ind0];
mp->T3[ind] = mp->T3[ind0];
mp->eta[ind] = mp->eta[ind0];
mp->kappa1[ind] = mp->kappa1[ind0];
mp->kappa3[ind] = mp->kappa3[ind0];
mp->Q[ind] = mp->Q[ind0];
mp->epsilon[ind] = mp->epsilon[ind0];
mp->delta[ind] = mp->delta[ind0];
mp->f0[ind] = mp->f0[ind0];
}
}
}
double Qend = 1.0;
// Duplicate values at edges of the model inside the absorbing sides of the grid
for (size_t i=0; i<g->nx; ++i) {
for (size_t j=0; j<g->ab.np; ++j) {
size_t i1 = (i+g->ab.np)*g->nz2 + j;
size_t i2 = (i+g->ab.np)*g->nz2 + g->ab.np;
mp->K_m[i1] = mp->K_m[i2];
mp->K_s[i1] = mp->K_s[i2];
mp->K_f[i1] = mp->K_f[i2];
mp->phi[i1] = mp->phi[i2];
mp->mu[i1] = mp->mu[i2];
mp->rho_s[i1] = mp->rho_s[i2];
mp->rho_f[i1] = mp->rho_f[i2];
mp->T1[i1] = mp->T1[i2];
mp->T3[i1] = mp->T3[i2];
mp->eta[i1] = mp->eta[i2];
mp->kappa1[i1] = mp->kappa1[i2];
mp->kappa3[i1] = mp->kappa3[i2];
mp->epsilon[i1] = mp->epsilon[i2];
mp->delta[i1] = mp->delta[i2];
mp->f0[i1] = mp->f0[i2];
if ( g->Qdamping == 1 ) {
double K = ( Qend - mp->Q[i1] ) / (g->ab.np*g->ab.np*g->ab.np);
mp->Q[i1] = mp->Q[i2] + K*(j+1)*(j+1)*(j+1);
} else {
mp->Q[i1] = mp->Q[i2];
}
i1 = (i+g->ab.np)*g->nz2 + g->ab.np + g->nz + j;
i2 = (i+g->ab.np)*g->nz2 + g->ab.np + g->nz - 1;
mp->K_m[i1] = mp->K_m[i2];
mp->K_s[i1] = mp->K_s[i2];
mp->K_f[i1] = mp->K_f[i2];
mp->phi[i1] = mp->phi[i2];
mp->mu[i1] = mp->mu[i2];
mp->rho_s[i1] = mp->rho_s[i2];
mp->rho_f[i1] = mp->rho_f[i2];
mp->T1[i1] = mp->T1[i2];
mp->T3[i1] = mp->T3[i2];
mp->eta[i1] = mp->eta[i2];
mp->kappa1[i1] = mp->kappa1[i2];
mp->kappa3[i1] = mp->kappa3[i2];
mp->epsilon[i1] = mp->epsilon[i2];
mp->delta[i1] = mp->delta[i2];
mp->f0[i1] = mp->f0[i2];
if ( g->Qdamping == 1 ) {
double K = ( Qend - mp->Q[i1] ) / (g->ab.np*g->ab.np*g->ab.np);
mp->Q[i1] = mp->Q[i2] + K*(j+1)*(j+1)*(j+1);
} else {
mp->Q[i1] = mp->Q[i2];
}
}
}
for (size_t i=0; i<g->ab.np; ++i) {
for (size_t j=0; j<g->nz2; ++j) {
size_t i1 = i*g->nz2 + j;
size_t i2 = g->ab.np*g->nz2 + j;
mp->K_m[i1] = mp->K_m[i2];
mp->K_s[i1] = mp->K_s[i2];
mp->K_f[i1] = mp->K_f[i2];
mp->phi[i1] = mp->phi[i2];
mp->mu[i1] = mp->mu[i2];
mp->rho_s[i1] = mp->rho_s[i2];
mp->rho_f[i1] = mp->rho_f[i2];
mp->T1[i1] = mp->T1[i2];
mp->T3[i1] = mp->T3[i2];
mp->eta[i1] = mp->eta[i2];
mp->kappa1[i1] = mp->kappa1[i2];
mp->kappa3[i1] = mp->kappa3[i2];
mp->epsilon[i1] = mp->epsilon[i2];
mp->delta[i1] = mp->delta[i2];
mp->f0[i1] = mp->f0[i2];
if ( g->Qdamping == 1 ) {
double K = ( Qend - mp->Q[i1] ) / (g->ab.np*g->ab.np*g->ab.np);
mp->Q[i1] = mp->Q[i2] + K*(j+1)*(j+1)*(j+1);
} else {
mp->Q[i1] = mp->Q[i2];
}
i1 = (i+g->nx+g->ab.np)*g->nz2 + j;
i2 = (g->nx+g->ab.np-1)*g->nz2 + j;
mp->K_m[i1] = mp->K_m[i2];
mp->K_s[i1] = mp->K_s[i2];
mp->K_f[i1] = mp->K_f[i2];
mp->phi[i1] = mp->phi[i2];
mp->mu[i1] = mp->mu[i2];
mp->rho_s[i1] = mp->rho_s[i2];
mp->rho_f[i1] = mp->rho_f[i2];
mp->T1[i1] = mp->T1[i2];
mp->T3[i1] = mp->T3[i2];
mp->eta[i1] = mp->eta[i2];
mp->kappa1[i1] = mp->kappa1[i2];
mp->kappa3[i1] = mp->kappa3[i2];
mp->epsilon[i1] = mp->epsilon[i2];
mp->delta[i1] = mp->delta[i2];
mp->f0[i1] = mp->f0[i2];
if ( g->Qdamping == 1 ) {
double K = ( Qend - mp->Q[i1] ) / (g->ab.np*g->ab.np*g->ab.np);
mp->Q[i1] = mp->Q[i2] + K*(j+1)*(j+1)*(j+1);
} else {
mp->Q[i1] = mp->Q[i2];
}
}
}
} else {
for (size_t i=0, ind=0; i<g->nx2; ++i) {
for (size_t j=0; j<g->nz2; ++j, ind++) {
nread = fscanf(fid, "%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf",
&(mp->K_m[ind]),
&(mp->K_s[ind]),
&(mp->K_f[ind]),
&(mp->phi[ind]),
&(mp->mu[ind]),
&(mp->rho_s[ind]),
&(mp->rho_f[ind]),
&(mp->T3[ind]),
&(mp->eta[ind]),
&(mp->kappa3[ind]),
&(mp->Q[ind]),
&(mp->f0[ind]),
&(mp->epsilon[ind]),
&(mp->delta[ind]),
&tmp1,
&tmp2);
mp->kappa1[ind] = mp->kappa3[ind] / tmp1;
mp->T1[ind] = mp->T3[ind] / tmp2;
if ( nread != 16 ) {
fprintf(stderr, "Error: something wrong with file %s\n", filename);
exit(1);
}
}
}
fclose(fid);
}
}
void read_model_e(const char filename[], const struct grid *g, double *vp,
double *vs, double *rho) {
FILE *fid;
fid = fopen(filename, "r");
if ( fid==NULL ) {
fprintf(stderr, "Error, cannot open %s for reading\n", filename);
exit(1);
}
fscanf(fid, "%*d %*d");
fscanf(fid, "%*f %*f");
fscanf(fid, "%*f %*f");
char type[30];
fscanf(fid, "%s", type);
if ( strcmp(type, "isotropic_elastic") != 0 ) {
fprintf(stderr, "Error, model in %s not isotropic_elastic\n", filename);
exit(1);
}
size_t nv=0;
int flag1D=0, nread;
for (size_t i=0; i<g->nx; ++i) {
size_t ind = i*g->nz;
nread = fscanf(fid, "%lf %lf %lf", &(vp[ind]), &(vs[ind]), &(rho[ind]));
if ( nread<=0 && i==1 ) {
flag1D = 1;
break;
}
for (size_t j=1; j<g->nz; ++j, ++nv) {
ind = i*g->nz + j;
nread = fscanf(fid, "%lf %lf %lf", &(vp[ind]), &(vs[ind]), &(rho[ind]));
if (nread != 3) {
fprintf(stderr, "Error: something wrong with file %s\n", filename);
exit(1);
}
}
}
fclose(fid);
if ( flag1D == 1 ) {
for (size_t i=1; i<g->nx; ++i) {
for (size_t j=0; j<g->nz; ++j, ++nv) {
size_t ind = i*g->nz + j;
vp[ind] = vp[j];
vs[ind] = vs[j];
rho[ind] = rho[j];
}
}
}
}
void read_model_e_cyl(const char filename[], const struct grid *g, double *vp,
double *vs, double *rho) {
FILE *fid;
fid = fopen(filename, "r");
if ( fid==NULL ) {
fprintf(stderr, "Error, cannot open %s for reading\n", filename);
exit(1);
}
fscanf(fid, "%*d %*d");
fscanf(fid, "%*f %*f");
fscanf(fid, "%*f %*f");
char type[30];
fscanf(fid, "%s", type);
if ( strcmp(type, "isotropic_elastic_cyl") != 0 ) {
fprintf(stderr, "Error, model in %s not isotropic_elastic_cyl\n", filename);
exit(1);
}
size_t nv=0;
int flag1D=0, nread;
size_t i=0;
for (size_t j=0; j<g->nz; ++j) {
size_t ind = i*g->nz2 + j+g->ab.np;
nread = fscanf(fid, "%lf %lf %lf", &(vp[ind]), &(vs[ind]), &(rho[ind]));
if ( nread<=0 && j==1 ) {
flag1D = 1;
break;
}
for (i=1; i<g->nx; ++i, ++nv) {
ind = i*g->nz2 + j+g->ab.np;
nread = fscanf(fid, "%lf %lf %lf", &(vp[ind]), &(vs[ind]), &(rho[ind]));
if (nread != 3) {
fprintf(stderr, "Error: something wrong with file %s\n", filename);
exit(1);
}
}
i = 0;
}
fclose(fid);
if ( flag1D == 1 ) {
for (size_t i=0; i<g->nx; ++i) {
for (size_t j=1; j<g->nz; ++j, ++nv) {
size_t ind = i*g->nz2 + j+g->ab.np;
vp[ind] = vp[i*g->nz2 + g->ab.np];