SPEC_RFLU_AllocateMemoryTStep.F90

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! * Arising FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE    *
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!******************************************************************************
!
! Purpose: Allocate memory for species related to time stepping.
!
! Description: None.
!
! Input: 
!   pRegion     Region pointer
!
! Output: None.
!
! Notes: None.
!
!******************************************************************************
!
! $Id: SPEC_RFLU_AllocateMemoryTStep.F90,v 1.7 2008/12/06 08:44:40 mtcampbe Exp $
!
! Copyright: (c) 2003-2004 by the University of Illinois
!
!******************************************************************************

SUBROUTINE spec_rflu_allocatememorytstep(pRegion)

  USE moddatatypes
  USE moderror
  USE modparameters  
  USE modglobal, ONLY: t_global
  USE modbndpatch, ONLY: t_patch  
  USE modgrid, ONLY: t_grid
  USE moddatastruct, ONLY: t_region
  USE modmixture, ONLY: t_mixt_input  
  USE modmpi

  USE modinterfaces, ONLY: rflu_decideneedbgradface  
 
  IMPLICIT NONE

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

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

  TYPE(t_region), POINTER :: pregion

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

  CHARACTER(CHRLEN) :: rcsidentstring
  INTEGER :: errorflag,ipatch,nbfaces,nbfacestot,nspecies
  TYPE(t_global), POINTER :: global  
  TYPE(t_grid), POINTER :: pgrid 
  TYPE(t_mixt_input), POINTER :: pmixtinput  
  TYPE(t_patch), POINTER :: ppatch 

! ******************************************************************************
! Start
! ******************************************************************************

  rcsidentstring = '$RCSfile: SPEC_RFLU_AllocateMemoryTStep.F90,v $ $Revision: 1.7 $'

  global => pregion%global

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

! ******************************************************************************
! Set pointers and variables 
! ******************************************************************************

  pgrid      => pregion%grid
  pmixtinput => pregion%mixtInput

  nspecies = pregion%specInput%nSpecies

! ******************************************************************************
! Allocate memory
! ******************************************************************************

! ==============================================================================
! Compute number of boundary faces for later use
! ==============================================================================

  nbfaces    = 0 
  nbfacestot = 0 
     
  DO ipatch = 1,pgrid%nPatches
    ppatch => pregion%patches(ipatch)

    nbfaces    = nbfaces    + ppatch%nBTris    + ppatch%nBQuads
    nbfacestot = nbfacestot + ppatch%nBTrisTot + ppatch%nBQuadsTot
  END DO ! iPatch
  
! ==============================================================================     
! Old state vector
! ==============================================================================

  ALLOCATE(pregion%spec%cvOld(nspecies,pgrid%nCellsTot),stat=errorflag)
  global%error = errorflag
  IF (global%error /= err_none) THEN 
    CALL errorstop(global,err_allocate,__line__,'pRegion%spec%cvOld')
  END IF ! global%error  

! ==============================================================================     
! Residuals 
! ==============================================================================
  
  ALLOCATE(pregion%spec%rhs(nspecies,pgrid%nCellsTot),stat=errorflag)
  global%error = errorflag
  IF (global%error /= err_none) THEN 
    CALL errorstop(global,err_allocate,__line__,'pRegion%spec%rhs')
  END IF ! global%error  
  
  ALLOCATE(pregion%spec%diss(nspecies,pgrid%nCellsTot),stat=errorflag)
  global%error = errorflag
  IF (global%error /= err_none) THEN 
    CALL errorstop(global,err_allocate,__line__,'pRegion%spec%diss')
  END IF ! global%error  

  IF ( global%flowType == flow_unsteady ) THEN
    ALLOCATE(pregion%spec%rhsSum(nspecies,pgrid%nCellsTot),stat=errorflag)
    global%error = errorflag
    IF (global%error /= err_none) THEN 
      CALL errorstop(global,err_allocate,__line__,'pRegion%spec%rhsSum')
    END IF ! global%error              
  ELSE
    nullify(pregion%spec%rhsSum)
  END IF ! global%flowType   

! ============================================================================== 
! Gradients 
! ==============================================================================
  
! ------------------------------------------------------------------------------
! Cell gradients
! ------------------------------------------------------------------------------  
  
  IF ( pmixtinput%spaceOrder > 1 ) THEN 
    ALLOCATE(pregion%spec%gradCell(xcoord:zcoord,nspecies,pgrid%nCellsTot), &
             stat=errorflag)
    global%error = errorflag         
    IF ( global%error /= err_none ) THEN 
      CALL errorstop(global,err_allocate,__line__,'pRegion%spec%gradCell')
    END IF ! global%error     
  ELSE 
    nullify(pregion%spec%gradCell)
  END IF ! pMixtInput%spaceOrder  
  
! ------------------------------------------------------------------------------
! Face gradients
! ------------------------------------------------------------------------------  
  
  IF ( pmixtinput%flowModel == flow_navst ) THEN 
    ALLOCATE(pregion%spec%gradFace(xcoord:zcoord,nspecies,pgrid%nFaces), &
             stat=errorflag)
    global%error = errorflag         
    IF ( global%error /= err_none ) THEN 
      CALL errorstop(global,err_allocate,__line__,'pRegion%spec%gradFace')
    END IF ! global%error
  ELSE 
    nullify(pregion%spec%gradFace)
  END IF ! pMixtInput%flowModel  
   
  IF ( pgrid%nPatches > 0 ) THEN         
    DO ipatch = 1,pregion%grid%nPatches
      ppatch => pregion%patches(ipatch)

      IF ( rflu_decideneedbgradface(pregion,ppatch) .EQV. .true. ) THEN
        ALLOCATE(ppatch%spec%gradFace(xcoord:zcoord,nspecies,ppatch%nBFaces), &
                                        stat=errorflag)
        global%error = errorflag         
        IF ( global%error /= err_none ) THEN 
          CALL errorstop(global,err_allocate,__line__,'pPatch%spec%gradFace')
        END IF ! global%error
      ELSE
        nullify(ppatch%spec%gradFace)         
      END IF ! RFLU_DecideNeedBGradFace
    END DO ! iPatch
  END IF ! pGrid%nPatches
  
! ******************************************************************************
! End
! ******************************************************************************

  CALL deregisterfunction(global)

END SUBROUTINE spec_rflu_allocatememorytstep

!******************************************************************************
!
! RCS Revision history:
!
! $Log: SPEC_RFLU_AllocateMemoryTStep.F90,v $
! Revision 1.7  2008/12/06 08:44:40  mtcampbe
! Updated license.
!
! Revision 1.6  2008/11/19 22:17:52  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.5  2006/10/20 21:34:33  mparmar
! Bug fix in allocation of pPatch%spec%gradFace
!
! Revision 1.4  2006/08/19 15:40:27  mparmar
! Moved region%spec%bGradFace to patch%spec%gradFace
!
! Revision 1.3  2006/04/07 15:19:24  haselbac
! Removed tabs
!
! Revision 1.2  2004/01/29 22:59:38  haselbac
! Added allocation of cell and face gradients
!
! Revision 1.1  2003/11/25 21:08:37  haselbac
! Initial revision
!
!******************************************************************************