param.c

OpenFVM-v1.1 open source cfd code

/***************************************************************************
 *   Copyright (C) 2004-2008 by OpenFVM team                               *
 *   http://sourceforge.net/projects/openfvm/                              *
 *                                                                         *
 *   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.             *
 ***************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "ioutils.h"
#include "globals.h"
#include "param.h"

void
SetDefaults ()
{

  strcpy (parameter.ulength, "m");
  strcpy (parameter.umass, "kg");
  strcpy (parameter.utime, "s");
  strcpy (parameter.uenergy, "J");
  strcpy (parameter.utemperature, "K");

  parameter.inertia = 1;

  parameter.ef[0] = 1.0;
  parameter.ef[1] = 1.0;
  parameter.ef[2] = 1.0;
  parameter.ef[3] = 1.0;
  parameter.ef[4] = 1.0;
  parameter.ef[5] = 1.0;

  parameter.dfactor = 1.0;

  parameter.st = 1.0;

  parameter.timemethod[0] = 1;
  parameter.timemethod[1] = 1;
  parameter.timemethod[2] = 1;
  parameter.timemethod[3] = 1;
  parameter.timemethod[4] = 1;
  parameter.timemethod[5] = 1;

  parameter.scheme[0] = 1;
  parameter.scheme[1] = 1;
  parameter.scheme[2] = 1;
  parameter.scheme[3] = 1;
  parameter.scheme[4] = 1;
  parameter.scheme[5] = 1;

  parameter.steady = 0;

  parameter.ftol[0] = 1E-6;
  parameter.ftol[1] = 1E-6;
  parameter.ftol[2] = 1E-6;
  parameter.ftol[3] = 1E-6;
  parameter.ftol[4] = 1E-6;
  parameter.ftol[5] = 1E-6;

  parameter.wbinary = 0;
  parameter.nsav = 1;

  parameter.calc[0] = 0;
  parameter.calc[1] = 0;
  parameter.calc[2] = 0;
  parameter.calc[3] = 0;
  parameter.calc[4] = 0;
  parameter.calc[5] = 0;

  parameter.savflux = 0;

  parameter.fsav[0] = 0;
  parameter.fsav[1] = 0;
  parameter.fsav[2] = 0;
  parameter.fsav[3] = 0;
  parameter.fsav[4] = 0;
  parameter.fsav[5] = 0;

  parameter.csav[0] = 0;
  parameter.csav[1] = 0;
  parameter.csav[2] = 0;
  parameter.csav[3] = 0;
  parameter.csav[4] = 0;
  parameter.csav[5] = 0;

  parameter.probe[0] = 0;
  parameter.probe[1] = 0;
  parameter.probe[2] = 0;
  parameter.probe[3] = 0;
  parameter.probe[4] = 0;
  parameter.probe[5] = 0;

  parameter.smooth = 1;

  parameter.vortex[0] = 0;
  parameter.vortex[1] = 0;
  parameter.vortex[2] = 0;

  parameter.streamf = 0;

  parameter.fvec = 0;
  parameter.cvec = 0;

  parameter.kq = 2.0;
  parameter.ncicsamcor = 2;

  parameter.g[0] = 0.0;
  parameter.g[1] = 0.0;
  parameter.g[2] = 0.0;

  parameter.msolver[0] = 8;
  parameter.msolver[1] = 8;
  parameter.msolver[2] = 8;
  parameter.msolver[3] = 8;
  parameter.msolver[4] = 8;
  parameter.msolver[5] = 3;

  parameter.mprecond[0] = 3;
  parameter.mprecond[1] = 3;
  parameter.mprecond[2] = 3;
  parameter.mprecond[3] = 3;
  parameter.mprecond[4] = 3;
  parameter.mprecond[5] = 3;

  parameter.northocor = 0;
  parameter.orthof = 0.0;

  parameter.mtol[0] = 1E-8;
  parameter.mtol[1] = 1E-8;
  parameter.mtol[2] = 1E-8;
  parameter.mtol[3] = 1E-8;
  parameter.mtol[4] = 1E-8;
  parameter.mtol[5] = 1E-8;

  parameter.miter[0] = 500;
  parameter.miter[1] = 500;
  parameter.miter[2] = 500;
  parameter.miter[3] = 500;
  parameter.miter[4] = 500;
  parameter.miter[5] = 500;

  parameter.restart = 10000;
  parameter.adjdt = 0;
  parameter.maxCp = 0.25;

  parameter.t0 = 0.0;
  parameter.t1 = 0.001;
  parameter.dt = 0.001;

  parameter.fill = 0;
  parameter.pf = 99.5;

  parameter.vofastemp = 0;

}

int
ParImportPAR (char *file)
{

  int i, j, n;

  int inull;

  int tcode;
  int nbpar;

  FILE *fp;
  char descr[512];

  //Set default values
  SetDefaults ();

  fp = fopen (file, "r");

  if (fp == NULL)
    {
      printf ("\nError: Parameter file not found!\n");
      printf ("%s\n\n", file);
      exit (LOGICAL_ERROR);
    }

  printf ("\nReading parameters file: %s ...\n", file);

  printf ("\n");

  do
    {

      do
	{
	  fscanf (fp, "%s", descr);

	  if (strcmp (descr, "$Parameter") == 0)
	    break;

	  if (strcmp (descr, "$EndFile") == 0)
	    break;

	}
      while (!feof (fp));

      if (strcmp (descr, "$EndFile") == 0)
	break;

      if (strcmp (descr, "$Parameter") == 0)
	{

	  fscanf (fp, "%d %d ", &inull, &nbpar);

	  GetLine (fp);

	  for (i = 0; i < nbpar; i++)
	    {

	      fscanf (fp, "%d %d", &tcode, &n);

	      switch (tcode)
		{
		case 30001:

		  // Units (length, mass, time, temperature)
		  GetLine (fp);
		  fscanf (fp, "%s", parameter.ulength);
		  fscanf (fp, "%s", parameter.umass);
		  fscanf (fp, "%s", parameter.utime);
		  fscanf (fp, "%s", parameter.uenergy);
		  fscanf (fp, "%s", parameter.utemperature);

		  printf ("Units:\n");
		  printf ("Length:      \t\t\t\t\t[%s]\n", parameter.ulength);
		  printf ("Mass:        \t\t\t\t\t[%s]\n", parameter.umass);
		  printf ("Time:        \t\t\t\t\t[%s]\n", parameter.utime);
		  printf ("Energy:      \t\t\t\t\t[%s]\n", parameter.uenergy);
		  printf ("Temperature: \t\t\t\t\t[%s]\n",
			  parameter.utemperature);
		  printf ("\n");

		  break;

		case 30003:

		  // Inertia
		  GetLine (fp);
		  fscanf (fp, "%d", &parameter.inertia);

		  if (parameter.inertia == 1)
		    printf ("Solve momentum\n");
		  else
		    printf ("Do not solve momentum\n");

		  printf ("\n");

		  break;

		case 30005:

		  // Convection interpolation scheme
		  GetLine (fp);
		  for (j = 0; j < nphi; j++)
		    fscanf (fp, "%d", &parameter.scheme[j]);

		  printf ("Variable: \t\t\t\t\t[ u v w p T s]\n");
		  printf ("Interpolation scheme a): \t\t\t[");
		  for (j = 0; j < nphi; j++)
		    printf (" %d", parameter.scheme[j]);
		  printf ("]\n");
		  printf ("\n");

		  break;

		case 30009:

		  // Diffusion factor
		  GetLine (fp);
		  fscanf (fp, "%f", &parameter.dfactor);

		  printf ("Diffusion factor: \t\t\t\t%.3f\n",
			  parameter.dfactor);
		  printf ("\n");

		  break;

		case 30010:

		  // Restart files
		  GetLine (fp);
		  fscanf (fp, "%d", &parameter.restart);

		  printf ("Save restart file every %d iterations\n",
			  parameter.restart);
		  printf ("\n");

		  break;

		case 30020:

		  // Binary output
		  GetLine (fp);
		  fscanf (fp, "%d", &parameter.wbinary);

		  if (parameter.wbinary == LOGICAL_TRUE)
		    printf ("Save results in binary format.\n");
		  else
		    printf ("Save results in ascii format.\n");
		  printf ("\n");

		  break;

		case 30030:

		  // Time advancement method 
		  GetLine (fp);
		  for (j = 0; j < nphi; j++)
		    fscanf (fp, "%d", &parameter.timemethod[j]);

		  printf ("Variable: \t\t\t\t\t[ u v w p T s]\n");
		  printf ("Time advancement method: b) \t\t\t[");
		  for (j = 0; j < nphi; j++)
		    printf (" %d", parameter.timemethod[j]);
		  printf ("]\n");
		  printf ("\n");

		  break;

		case 30031:

		  // Explicit factor
		  GetLine (fp);
		  for (j = 0; j < nphi; j++)
		    fscanf (fp, "%f", &parameter.ef[j]);

		  printf ("Variable: \t\t\t\t\t[ u v w p T s]\n");
		  printf ("Explicit factor: \t\t\t\t[");
		  for (j = 0; j < nphi; j++)
		    printf (" %.1f", parameter.ef[j]);
		  printf ("]\n");
		  printf ("\n");

		  break;

		case 30040:

		  // Calculate nth variable 
		  GetLine (fp);
		  for (j = 0; j < nphi; j++)
		    fscanf (fp, "%d", &parameter.calc[j]);

		  printf ("Variable: \t\t\t\t\t[ u v w p T s]\n");
		  printf ("Calculate: \t\t\t\t\t[");
		  for (j = 0; j < nphi; j++)
		    printf (" %d", parameter.calc[j]);
		  printf ("]\n");
		  printf ("\n");

		  break;

		case 30090:

		  // Stability factor 
		  GetLine (fp);
		  fscanf (fp, "%f", &parameter.st);

		  printf ("Stability factor: \t\t\t\t%.3f\n", parameter.st);
		  printf ("\n");

		  break;

		case 30100:

		  // Steady state
		  GetLine (fp);
		  fscanf (fp, "%d", &parameter.steady);

		  if (parameter.steady == LOGICAL_TRUE)
		    {
		      printf ("Calculate until steady state is reached.\n");
		    }
		  else
		    printf ("Stop simulation at end time.\n");
		  printf ("\n");

		  break;

		case 30105:

		  // Convergence criterion for steady state    
		  GetLine (fp);
		  for (j = 0; j < nphi; j++)
		    fscanf (fp, "%f", &parameter.ftol[j]);

		  printf ("Variable: \t\t\t\t\t[ u v w p T s]\n");
		  printf ("Convergence criterion for steady state: \t[");
		  for (j = 0; j < nphi; j++)
		    printf (" %+.3E", parameter.ftol[j]);
		  printf ("]\n");
		  printf ("\n");