BCInitialize.c File Reference

Initialize boundary-conditions-related function pointers. More...

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

Go to the source code of this file.

Functions
int	BCInitialize (void *b, int flag_gpu)

Detailed Description

Initialize boundary-conditions-related function pointers.

Author

Debojyoti Ghosh, Youngdae Kim

Definition in file BCInitialize.c.

Function Documentation

int BCInitialize	(	void *	b,
		int	flag_gpu
	)

Assign the function pointers for boundary condition application depending on the boundary type, for a given boundary object

Parameters

b	Boundary object of type DomainBoundary
flag_gpu	Flag to indicate if GPU is being used

Definition at line 12 of file BCInitialize.c.

{
  DomainBoundary *boundary = (DomainBoundary*) b;

#if defined(HAVE_CUDA)
  if (flag_gpu) {

    if      (!strcmp(boundary->bctype,_PERIODIC_)) {
      boundary->BCFunctionU = gpuBCPeriodicU;
    } else if (!strcmp(boundary->bctype,_SLIP_WALL_)) {
      boundary->BCFunctionU = gpuBCSlipWallU;
    } else {
      fprintf(stderr,"[GPU] Error in BCInitialize(): \"%s\" is not a supported boundary condition.\n",
              boundary->bctype);
      return 1;
    }

  } else {
#endif

    if      (!strcmp(boundary->bctype,_PERIODIC_                    )) boundary->BCFunctionU = BCPeriodicU;
    else if (!strcmp(boundary->bctype,_EXTRAPOLATE_                 )) boundary->BCFunctionU = BCExtrapolateU;
    else if (!strcmp(boundary->bctype,_DIRICHLET_                   )) boundary->BCFunctionU = BCDirichletU;  
    else if (!strcmp(boundary->bctype,_REFLECT_                     )) boundary->BCFunctionU = BCReflectU;    
    else if (!strcmp(boundary->bctype,_SPONGE_                      )) boundary->BCFunctionU = BCSpongeUDummy;    
    else if (!strcmp(boundary->bctype,_NOSLIP_WALL_                 )) boundary->BCFunctionU = BCNoslipWallU;    
    else if (!strcmp(boundary->bctype,_SLIP_WALL_                   )) boundary->BCFunctionU = BCSlipWallU;    
    else if (!strcmp(boundary->bctype,_THERMAL_SLIP_WALL_           )) boundary->BCFunctionU = BCThermalSlipWallU;    
    else if (!strcmp(boundary->bctype,_THERMAL_NOSLIP_WALL_         )) boundary->BCFunctionU = BCThermalNoslipWallU;    
    else if (!strcmp(boundary->bctype,_SW_SLIP_WALL_                )) boundary->BCFunctionU = BCSWSlipWallU;    
    else if (!strcmp(boundary->bctype,_SUBSONIC_OUTFLOW_            )) boundary->BCFunctionU = BCSubsonicOutflowU;    
    else if (!strcmp(boundary->bctype,_SUBSONIC_INFLOW_             )) boundary->BCFunctionU = BCSubsonicInflowU;    
    else if (!strcmp(boundary->bctype,_SUBSONIC_AMBIVALENT_         )) boundary->BCFunctionU = BCSubsonicAmbivalentU;    
    else if (!strcmp(boundary->bctype,_SUPERSONIC_OUTFLOW_          )) boundary->BCFunctionU = BCSupersonicOutflowU;    
    else if (!strcmp(boundary->bctype,_SUPERSONIC_INFLOW_           )) boundary->BCFunctionU = BCSupersonicInflowU;    
    else if (!strcmp(boundary->bctype,_TURBULENT_SUPERSONIC_INFLOW_ )) boundary->BCFunctionU = BCTurbulentSupersonicInflowU;    
    else if (!strcmp(boundary->bctype,_NO_FLUX_BC_                  )) boundary->BCFunctionU = BCNoFluxU;    
    else {
      fprintf(stderr,"Error in BCInitialize(): \"%s\" is not a supported boundary condition.\n",
              boundary->bctype);
      return(1);
    }

#if defined(HAVE_CUDA)
  }
#endif

  return 0;
}