RFLU_ScalarSecondPatch.F90

Go to the documentation of this file.

! *********************************************************************
! * Rocstar Simulation Suite                                          *
! * Copyright@2015, Illinois Rocstar LLC. All rights reserved.        *
! *                                                                   *
! * Illinois Rocstar LLC                                              *
! * Champaign, IL                                                     *
! * www.illinoisrocstar.com                                           *
! * sales@illinoisrocstar.com                                         *
! *                                                                   *
! * License: See LICENSE file in top level of distribution package or *
! * http://opensource.org/licenses/NCSA                               *
! *********************************************************************
! *********************************************************************
! * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,   *
! * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES   *
! * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND          *
! * NONINFRINGEMENT.  IN NO EVENT SHALL THE CONTRIBUTORS OR           *
! * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER       *
! * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,   *
! * Arising FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE    *
! * USE OR OTHER DEALINGS WITH THE SOFTWARE.                          *
! *********************************************************************
! ******************************************************************************
!
! Purpose: Compute second-order accurate discretization of scalar inviscid flux
!   through boundary faces.
!
! Description: None.
!
! Input: 
!   pRegion             Pointer to data of current region
!   pPatch              Pointer to data of current patch
!   nVarScal            Number of scalars
!   cvScal              Vector of conserved scalar variables
!   gradCellScal        Cell gradients of scalar variables
!   valScal             Boundary values of scalar variables     
!
! Output: 
!   resScal             Residual of scalar variables
!
! Notes: None.
!
! ******************************************************************************
!
! $Id: RFLU_ScalarSecondPatch.F90,v 1.8 2008/12/06 08:44:13 mtcampbe Exp $
!
! Copyright: (c) 2004-2006 by the University of Illinois
!
! ******************************************************************************

SUBROUTINE rflu_scalarsecondpatch(pRegion,pPatch,nVarScal,cvScal, & 
                                  gradcellscal,valscal,resscal)

  USE modglobal, ONLY: t_global
  USE moddatatypes
  USE modbndpatch, ONLY: t_bcvalues,t_patch
  USE moddatastruct, ONLY: t_region
  USE modgrid, ONLY: t_grid
  USE moderror
  USE modparameters
    
  IMPLICIT NONE

! ******************************************************************************
! Definitions and declarations
! ******************************************************************************

! ==============================================================================
! Arguments
! ==============================================================================

  INTEGER, INTENT(IN) :: nvarscal
  REAL(RFREAL), DIMENSION(:,:), INTENT(IN) :: cvscal
  REAL(RFREAL), DIMENSION(:,:), INTENT(INOUT) :: resscal
  REAL(RFREAL), DIMENSION(:,:,:), INTENT(IN) :: gradcellscal  
  TYPE(t_bcvalues) :: valscal
  TYPE(t_patch), POINTER :: ppatch
  TYPE(t_region), POINTER :: pregion

! ==============================================================================
! Locals
! ==============================================================================

  CHARACTER(CHRLEN) :: rcsidentstring
  INTEGER :: c1,bctype,distscal,ifc,ivarscal
  REAL(RFREAL) :: dx,dy,dz,flx,mf,sl
  REAL(RFREAL), DIMENSION(:), POINTER :: pmfmixt
  REAL(RFREAL), DIMENSION(:,:), POINTER :: rhs 
  TYPE(t_global), POINTER :: global
  TYPE(t_grid), POINTER :: pgrid
  
! ******************************************************************************
! Start
! ******************************************************************************

  rcsidentstring = '$RCSfile: RFLU_ScalarSecondPatch.F90,v $ $Revision: 1.8 $'

  global => pregion%global

  CALL registerfunction(global,'RFLU_ScalarSecondPatch',&
  'RFLU_ScalarSecondPatch.F90')

! ******************************************************************************
! Checks: Defensive coding, should never occur
! ******************************************************************************
 
  IF ( pregion%mixtInput%indMfMixt /= 1 ) THEN 
    CALL errorstop(global,err_indmfmixt_invalid,__line__)
  END IF ! pRegion%mixtInput%indMfMixt
  
! ******************************************************************************
! Set pointers and variables
! ******************************************************************************
      
  pgrid   => pregion%grid     
  pmfmixt => ppatch%mfMixt
  
  bctype   = ppatch%bcType  
  distscal = valscal%distrib  

! ******************************************************************************
! Select boundary type
! ******************************************************************************

  SELECT CASE ( bctype )

! ==============================================================================  
!   Inflow
! ==============================================================================

    CASE ( bc_inflow_totang,bc_inflow_veltemp ) 
      DO ifc = 1,ppatch%nBFaces
        c1 = ppatch%bf2c(ifc)
                    
        mf = pmfmixt(ifc)
                                                                        
        DO ivarscal = 1,nvarscal                                      
          flx = mf*valscal%vals(ivarscal,distscal*ifc)
          
          resscal(ivarscal,c1) = resscal(ivarscal,c1) + flx
        END DO ! iVarScal
      END DO ! ifc
            
! ==============================================================================  
!   Outflow
! ==============================================================================

    CASE ( bc_outflow )           
      DO ifc = 1,ppatch%nBFaces
        c1 = ppatch%bf2c(ifc)
        
        dx = ppatch%fc(xcoord,ifc) - pgrid%cofg(xcoord,c1)
        dy = ppatch%fc(ycoord,ifc) - pgrid%cofg(ycoord,c1)
        dz = ppatch%fc(zcoord,ifc) - pgrid%cofg(zcoord,c1)            

        mf = pmfmixt(ifc)   
                                                                                                        
        DO ivarscal = 1,nvarscal  
          sl = cvscal(ivarscal,c1)
                      
          sl = sl + gradcellscal(xcoord,ivarscal,c1)*dx & 
                  + gradcellscal(ycoord,ivarscal,c1)*dy & 
                  + gradcellscal(zcoord,ivarscal,c1)*dz            
                      
          flx = mf*sl
                                  
          resscal(ivarscal,c1) = resscal(ivarscal,c1) + flx
        END DO ! iVarScal 
      END DO ! ifc

! ==============================================================================  
!   Slip wall 
! ==============================================================================
    
    CASE ( bc_slipwall ) 

! ==============================================================================  
!   No-slip wall
! ==============================================================================
 
    CASE ( bc_noslipwall_hflux,bc_noslipwall_temp ) 

! ==============================================================================  
!   Farfield
! ==============================================================================

    CASE ( bc_farfield )
      DO ifc = 1,ppatch%nBFaces            
        c1 = ppatch%bf2c(ifc)      

        mf = pmfmixt(ifc)   

        IF ( mf > 0.0_rfreal ) THEN ! Outflow
          dx = ppatch%fc(xcoord,ifc) - pgrid%cofg(xcoord,c1)
          dy = ppatch%fc(ycoord,ifc) - pgrid%cofg(ycoord,c1)
          dz = ppatch%fc(zcoord,ifc) - pgrid%cofg(zcoord,c1)            
                  
          DO ivarscal = 1,nvarscal        
            sl = cvscal(ivarscal,c1)

            sl = sl + gradcellscal(xcoord,ivarscal,c1)*dx & 
                    + gradcellscal(ycoord,ivarscal,c1)*dy & 
                    + gradcellscal(zcoord,ivarscal,c1)*dz           

            flx = mf*sl 
                        
            resscal(ivarscal,c1) = resscal(ivarscal,c1) + flx
          END DO ! iVarScal                      
        ELSE ! Inflow
          DO ivarscal = 1,nvarscal 
            flx = mf*valscal%vals(ivarscal,distscal*ifc)
                      
            resscal(ivarscal,c1) = resscal(ivarscal,c1) + flx
          END DO ! iVarScal
        END IF ! mf           
      END DO ! ifc      
    
! ==============================================================================  
!   Injection
! ==============================================================================

    CASE ( bc_injection )
      DO ifc = 1,ppatch%nBFaces
        c1 = ppatch%bf2c(ifc)
             
        mf = pmfmixt(ifc)               
                                        
        DO ivarscal = 1,nvarscal                
          flx = mf*valscal%vals(ivarscal,distscal*ifc)
                                  
          resscal(ivarscal,c1) = resscal(ivarscal,c1) + flx
        END DO ! iVarScal                           
      END DO ! ifc

! ==============================================================================
!   Boundaries for which fluxes must not or need not be computed
! ==============================================================================

    CASE ( bc_periodic, &
           bc_symmetry, & 
           bc_virtual )
           
! ==============================================================================  
!   Default
! ==============================================================================

    CASE default 
      CALL errorstop(global,err_reached_default,__line__)
  END SELECT ! bcType

! ******************************************************************************
! End
! ******************************************************************************

  CALL deregisterfunction(global)

END SUBROUTINE rflu_scalarsecondpatch

! ******************************************************************************
!
! RCS Revision history:
!
! $Log: RFLU_ScalarSecondPatch.F90,v $
! Revision 1.8  2008/12/06 08:44:13  mtcampbe
! Updated license.
!
! Revision 1.7  2008/11/19 22:17:26  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.6  2006/04/07 15:19:16  haselbac
! Removed tabs
!
! Revision 1.5  2006/03/26 20:28:42  haselbac
! Removed unnecessary BC_RANGE
!
! Revision 1.4  2006/03/25 21:43:47  haselbac
! Added CASEs for sype patches
!
! Revision 1.3  2005/11/10 02:03:16  haselbac
! Added virtual boundary, cleaned up CASE statements
!
! Revision 1.2  2005/04/20 14:40:15  haselbac
! Removed CHECK_UNIFLOW code section, cosmetics
!
! Revision 1.1  2004/01/29 22:56:14  haselbac
! Initial revision
!
! ******************************************************************************