RFLU_DestroyGrid.F90

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! *********************************************************************
! ******************************************************************************
!
! Purpose: Destroy grid.
!
! Description: None.
!
! Input:
!   pRegion             Region pointer
!
! Output: None.
!
! Notes: 
!   1. Patch array deallocated at end of routine.
!
! ******************************************************************************
!
! $Id: RFLU_DestroyGrid.F90,v 1.10 2008/12/06 08:44:12 mtcampbe Exp $
!
! Copyright: (c) 2003-2006 by the University of Illinois
!
! ******************************************************************************

SUBROUTINE rflu_destroygrid(pRegion)

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

! ******************************************************************************
! Declarations and definitions
! ******************************************************************************

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

  TYPE(t_region), POINTER :: pregion

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

  CHARACTER(CHRLEN) :: rcsidentstring
  INTEGER :: errorflag,ipatch
  TYPE(t_grid), POINTER :: pgrid
  TYPE(t_patch), POINTER :: ppatch
  TYPE(t_global), POINTER :: global

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

  rcsidentstring = '$RCSfile: RFLU_DestroyGrid.F90,v $ $Revision: 1.10 $'

  global => pregion%global

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

  IF ( global%myProcid == masterproc .AND. & 
       global%verbLevel >= verbose_high ) THEN 
    WRITE(stdout,'(A,1X,A)') solver_name,'Destroying grid...'
  END IF ! global%verbLevel

! ******************************************************************************
! Set grid pointer
! ******************************************************************************

  pgrid => pregion%grid

! ******************************************************************************
! Coordinates and vertex flags
! ******************************************************************************

  DEALLOCATE(pgrid%xyz,stat=errorflag)
  global%error = errorflag         
  IF ( global%error /= err_none ) THEN 
    CALL errorstop(global,err_deallocate,__line__,'region%grid%xyz')
  END IF ! global%error
  
  nullify(pgrid%xyz)

! ******************************************************************************
! Connectivity
! ******************************************************************************

! ==============================================================================
! Tetrahedra
! ==============================================================================

  IF ( pgrid%nTetsTot > 0 ) THEN 
    DEALLOCATE(pgrid%tet2v,stat=errorflag) 
    global%error = errorflag         
    IF ( global%error /= err_none ) THEN 
      CALL errorstop(global,err_deallocate,__line__,'region%grid%tet2v')
    END IF ! global%error
      
    nullify(pgrid%tet2v)   
  END IF ! pGrid%nTetsTot

! ==============================================================================
! Hexahedra
! ==============================================================================

  IF ( pgrid%nHexsTot > 0 ) THEN 
    DEALLOCATE(pgrid%hex2v,stat=errorflag) 
    global%error = errorflag 
    IF ( global%error /= err_none ) THEN 
      CALL errorstop(global,err_deallocate,__line__,'region%grid%hex2v')
    END IF ! global%error 
     
    nullify(pgrid%hex2v)      
  END IF ! pGrid%nHexsTot

! ==============================================================================
! Prisms
! ==============================================================================

  IF ( pgrid%nPrisTot > 0 ) THEN 
    DEALLOCATE(pgrid%pri2v,stat=errorflag)
    global%error = errorflag          
    IF ( global%error /= err_none ) THEN 
      CALL errorstop(global,err_deallocate,__line__,'region%grid%pri2v')
    END IF ! global%error
     
    nullify(pgrid%pri2v)      
  END IF ! pGrid%nPrisTot               
        
! ==============================================================================
! Pyramids 
! ==============================================================================

  IF ( pgrid%nPyrsTot > 0 ) THEN 
    DEALLOCATE(pgrid%pyr2v,stat=errorflag)
    global%error = errorflag          
    IF ( global%error /= err_none ) THEN 
      CALL errorstop(global,err_deallocate,__line__,'region%grid%pyr2v')
    END IF ! global%error
    
    nullify(pgrid%pyr2v)   
  END IF ! pGrid%nPyrsTot

! ******************************************************************************
! Patches
! ******************************************************************************

! ==============================================================================
! Loop over patches
! ==============================================================================

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

    IF ( ppatch%nBTrisTot > 0 ) THEN 
      DEALLOCATE(ppatch%bTri2v,stat=errorflag)
      global%error = errorflag             
      IF ( global%error /= err_none ) THEN 
        CALL errorstop(global,err_deallocate,__line__,'region%patches%bTri2v')
      END IF ! global%error
      nullify(ppatch%bTri2v)       
    END IF ! pPatch%nBTrisTot

    IF ( ppatch%nBQuadsTot > 0 ) THEN     
      DEALLOCATE(ppatch%bQuad2v,stat=errorflag)
      global%error = errorflag             
      IF ( global%error /= err_none ) THEN 
        CALL errorstop(global,err_deallocate,__line__,'region%patch%bQuad2v')
      END IF ! global%error
      nullify(ppatch%bQuad2v)           
    END IF ! pPatch%nBQuadsTot 
    
    IF ( ppatch%nBCellsVirt > 0 ) THEN                                                                          
      DEALLOCATE(ppatch%bvc,stat=errorflag)
      global%error = errorflag
      IF ( global%error /= err_none ) THEN
        CALL errorstop(global,err_allocate,__line__,'pPatch%bvc')
      END IF ! global%error
      nullify(ppatch%bvc)        
    END IF ! pPatch%bcType                  
  END DO ! iPatch

! ******************************************************************************
! Deallocate actual patch array
! ******************************************************************************

  IF ( pgrid%nPatches > 0 ) THEN
    DEALLOCATE(pregion%patches,stat=errorflag)  
    global%error = errorflag         
    IF ( global%error /= err_none ) THEN 
      CALL errorstop(global,err_deallocate,__line__,'region%patches')
    END IF ! global%error
    nullify(pregion%patches)   
  END IF ! pGrid%nPatches

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

  IF ( global%myProcid == masterproc .AND. & 
       global%verbLevel >= verbose_high ) THEN 
    WRITE(stdout,'(A,1X,A)') solver_name,'Destroying grid done.'
  END IF ! global%verbLevel

  CALL deregisterfunction(global)

END SUBROUTINE rflu_destroygrid

! ******************************************************************************
!
! RCS Revision history:
!
! $Log: RFLU_DestroyGrid.F90,v $
! Revision 1.10  2008/12/06 08:44:12  mtcampbe
! Updated license.
!
! Revision 1.9  2008/11/19 22:17:25  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.8  2006/04/07 15:19:16  haselbac
! Removed tabs
!
! Revision 1.7  2006/03/25 21:42:18  haselbac
! Changes made bcos of sype boundaries
!
! Revision 1.6  2004/11/03 16:58:55  haselbac
! Removed deallocation of vertex and cell flags
!
! Revision 1.5  2004/10/19 19:24:15  haselbac
! Made consistent with changes in RFLU_CreateGrid.F90, cosmetics
!
! Revision 1.4  2003/12/10 03:58:02  haselbac
! Major bug fix: Fixed dealloc of patches if nPatches = 0
!
! Revision 1.3  2003/12/04 03:23:51  haselbac
! Clean-up
!
! Revision 1.2  2003/03/15 16:53:34  haselbac
! Clean up, bug fixes
!
! Revision 1.1  2003/01/28 15:53:32  haselbac
! Initial revision
!
! ******************************************************************************