コード例 #1
0
ファイル: fc2d_driver.c プロジェクト: xhub/siconos
int fc2d_driver(FrictionContactProblem* problem, double *reaction , double *velocity, SolverOptions* options, NumericsOptions* global_options)
{

#ifdef DUMP_PROBLEM
  char fname[256];
  sprintf(fname, "FrictionContactProblem%.5d.dat", fccounter++);
  printf("Dump of FrictionContactProblem%.5d.dat", fccounter);
  
  FILE * foutput  =  fopen(fname, "w");
  frictionContact_printInFile(problem, foutput);
  fclose(foutput);
#endif

  if (options == NULL || global_options == NULL)
    numericsError("fc2d_driver", "null input for solver and/or global options");

  /* Set global options */
  setNumericsOptions(global_options);

  /* Checks inputs */
  if (problem == NULL || reaction == NULL || velocity == NULL)
    numericsError("fc2d_driver", "null input for FrictionContactProblem and/or unknowns (reaction,velocity)");

  /* If the options for solver have not been set, read default values in .opt file */
  int NoDefaultOptions = options->isSet; /* true(1) if the SolverOptions structure has been filled in else false(0) */

  if (!NoDefaultOptions)
    readSolverOptions(3, options);

  if (verbose > 0)
    printSolverOptions(options);





  /* Solver name */
  /*char * name = options->solverName;*/


  int info = -1 ;

  if (problem->dimension != 2)
    numericsError("fc2d_driver", "Dimension of the problem : problem-> dimension is not compatible or is not set");


  /* Non Smooth Gauss Seidel (NSGS) */

  if (problem->M->storageType == 1)
  {

    if (options->solverId == SICONOS_FRICTION_2D_NSGS)
    {
      if (verbose)
        printf(" ======================= Call Sparse NSGS solver for Friction-Contact 2D problem ======================\n");
      fc2d_sparse_nsgs(problem, reaction , velocity , &info , options);
    }
    else
    {
      fprintf(stderr, "fc2d_driver error: unknown solver named: %s\n", idToName(options->solverId));
      exit(EXIT_FAILURE);
    }
  }
  else if (problem->M->storageType == 0)
  {

    switch (options->solverId)
    {
      /****** NLGS algorithm ******/
    case SICONOS_FRICTION_2D_PGS:
    case SICONOS_FRICTION_2D_NSGS:
    {
      if (verbose)
        printf(" ========================== Call NLGS solver for Friction-Contact 2D problem ==========================\n");
      fc2d_nsgs(problem, reaction, velocity, &info, options);
      break;
    }
    /****** CPG algorithm ******/
    case SICONOS_FRICTION_2D_CPG:
    {
      if (verbose)
        printf(" ========================== Call CPG solver for Friction-Contact 2D problem ==========================\n");
      fc2d_cpg(problem, reaction, velocity, &info, options);
      break;
    }
    /****** Latin algorithm ******/
    case SICONOS_FRICTION_2D_LATIN:
    {
      if (verbose)
        printf(" ========================== Call Latin solver for Friction-Contact 2D problem ==========================\n");
      fc2d_latin(problem, reaction, velocity, &info, options);
      break;
    }
    /****** Lexicolemke algorithm ******/
    case SICONOS_FRICTION_2D_LEMKE:
    {
      if (verbose)
        printf(" ========================== Call Lemke solver for Friction-Contact 2D problem ==========================\n");
      fc2d_lexicolemke(problem, reaction, velocity, &info, options, global_options);
      break;
    }
    /****** Enum algorithm ******/
    case SICONOS_FRICTION_2D_ENUM:
    {
      if (verbose)
        printf(" ========================== Call Enumerative solver for Friction-Contact 2D problem ==========================\n");
      fc2d_enum(problem, reaction, velocity, &info, options, global_options);
      break;
    }
    /*error */
    default:
    {
      fprintf(stderr, "fc2d_driver error: unknown solver named: %s\n", idToName(options->solverId));
      exit(EXIT_FAILURE);
    }
    }
#ifdef DUMP_PROBLEM_IF_INFO
    if (info)
    {
      char fname[256];
      sprintf(fname, "FrictionContactProblem%.5d.dat", fccounter++);
      printf("Dump of FrictionContactProblem%.5d.dat\n", fccounter);

      FILE * foutput  =  fopen(fname, "w");
      frictionContact_printInFile(problem, foutput);
      fclose(foutput);
    }
#endif
  }
  else
  {
    numericsError("fc2d_driver", 
                  " error: unknown storagetype named");
    exit(EXIT_FAILURE);
  }

  return info;

}
コード例 #2
0
int frictionContact_test_function(FILE * f, SolverOptions * options)
{

  int k, info = -1 ;
  FrictionContactProblem* problem = (FrictionContactProblem *)malloc(sizeof(FrictionContactProblem));

  info = frictionContact_newFromFile(problem, f);

  FILE * foutput  =  fopen("checkinput.dat", "w");
  info = frictionContact_printInFile(problem, foutput);

  NumericsOptions global_options;
  setDefaultNumericsOptions(&global_options);
  global_options.verboseMode = 1; // turn verbose mode to off by default

  int NC = problem->numberOfContacts;
  int dim = problem->dimension;
  //int dim = problem->numberOfContacts;
  
  double *reaction = (double*)calloc(dim * NC, sizeof(double));
  double *velocity = (double*)calloc(dim * NC, sizeof(double));

  if (dim == 2)
  {
    info = frictionContact2D_driver(problem,
                                    reaction , velocity,
                                    options, &global_options);
  }
  else if (dim == 3)
  {
    info = frictionContact3D_driver(problem,
                                    reaction , velocity,
                                    options, &global_options);
  }
  else
  {
    info = 1;
  }
  printf("\n");

  int print_size =10;

  if  (dim * NC >= print_size)
  {
    printf("First values (%i)\n", print_size);
    for (k = 0 ; k < print_size; k++)
    {
      printf("Velocity[%i] = %12.8e \t \t Reaction[%i] = %12.8e\n", k, velocity[k], k , reaction[k]);
    }
    printf(" ..... \n");
  }
  else
  {
    for (k = 0 ; k < dim * NC; k++)
    {
      printf("Velocity[%i] = %12.8e \t \t Reaction[%i] = %12.8e\n", k, velocity[k], k , reaction[k]);
    }
    printf("\n");
  }

  /* for (k = 0 ; k < dim * NC; k++) */
  /* { */
  /*   printf("Velocity[%i] = %12.8e \t \t Reaction[%i] = %12.8e\n", k, velocity[k], k , reaction[k]); */
  /* } */
  /* printf("\n"); */

  if (!info)
  {
    printf("test successful, residual = %g\n", options->dparam[1]);
  }
  else
  {
    printf("test unsuccessful, residual = %g\n", options->dparam[1]);
  }
  free(reaction);
  free(velocity);

  freeFrictionContactProblem(problem);
  fclose(foutput);

  return info;

}