RFLU_USER_EnforcePatchCoords.F90

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!******************************************************************************
!
! Purpose: Impose patch coordinates.
!
! Description: None.
!
! Input: 
!   pRegion     Pointer to region data
!
! Output: None.
!
! Notes: 
!   1. This routine is of interest if the grid is known not to satisfy exactly
!      certain coordinate values, which may affect mass conservation tests
!      because the volume is not conserved. 
!   2. This routine will have to be hard-coded for each case.
!   3. Routine coded for flexibility, not efficiency...
!
!******************************************************************************
!
! $Id: RFLU_USER_EnforcePatchCoords.F90,v 1.3 2008/12/06 08:45:03 mtcampbe Exp $
!
! Copyright: (c) 2003 by the University of Illinois
!
!******************************************************************************

SUBROUTINE rflu_user_enforcepatchcoords(pRegion)

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

  IMPLICIT NONE

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

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

  TYPE(t_region), POINTER :: pregion

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

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

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

  rcsidentstring = '$RCSfile: RFLU_USER_EnforcePatchCoords.F90,v $ $Revision: 1.3 $'

  global => pregion%global

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

  IF ( global%verbLevel > verbose_none ) THEN
    WRITE(stdout,'(A,1X,A)') solver_name,'Enforcing patch coordinates...'
  END IF ! global%myProcid

! *****************************************************************************
! Set pointers
! *****************************************************************************

  pgrid => pregion%grid

! *****************************************************************************
! Select case-dependent boundary patch deformation
! *****************************************************************************

  SELECT CASE ( trim(global%casename) ) 
    
! -----------------------------------------------------------------------------
!   Endburner problem (old, edge length 0.1)
! -----------------------------------------------------------------------------

    CASE ( "endburner3pt","endburner5pt","endburner9pt" )      
      DO ipatch=1,pgrid%nPatches
        ppatch => pregion%patches(ipatch)

        IF ( global%verbLevel > verbose_low ) THEN
          WRITE(stdout,'(A,3X,A,1X,I3)') solver_name,'Patch:',ipatch       
        END IF ! global%myProcid 

        DO ibv = 1,ppatch%nBVert
          ivg = ppatch%bv(ibv)

          IF ( ipatch == 1 ) THEN 
            pgrid%xyz(zcoord,ivg) = 0.0_rfreal
          ELSE IF ( ipatch == 2 ) THEN 
            pgrid%xyz(xcoord,ivg) = 0.0_rfreal
          ELSE IF ( ipatch == 3 ) THEN 
            pgrid%xyz(ycoord,ivg) = 0.0_rfreal
          ELSE IF ( ipatch == 4 ) THEN 
            pgrid%xyz(ycoord,ivg) = 0.1_rfreal
          ELSE IF ( ipatch == 5 ) THEN 
            pgrid%xyz(zcoord,ivg) = 0.1_rfreal
          ELSE IF ( ipatch == 6 ) THEN 
            pgrid%xyz(xcoord,ivg) = 0.1_rfreal
          ELSE 
            CALL errorstop(global,err_reached_default,__line__)
          END IF ! iPatch          
        END DO ! ibv
      END DO ! iPatch

! -----------------------------------------------------------------------------
!   Endburner problem (new, edge length 1.0)
! -----------------------------------------------------------------------------

    CASE ( "endburner3ptnew" )    
      DO ipatch=1,pgrid%nPatches
        ppatch => pregion%patches(ipatch)

        IF ( global%verbLevel > verbose_low ) THEN
          WRITE(stdout,'(A,3X,A,1X,I3)') solver_name,'Patch:',ipatch       
        END IF ! global%myProcid 

        DO ibv = 1,ppatch%nBVert
          ivg = ppatch%bv(ibv)

          IF ( ipatch == 1 ) THEN 
            pgrid%xyz(zcoord,ivg) = 1.0_rfreal
          ELSE IF ( ipatch == 2 ) THEN 
            pgrid%xyz(ycoord,ivg) = 0.0_rfreal
          ELSE IF ( ipatch == 3 ) THEN 
            pgrid%xyz(xcoord,ivg) = 1.0_rfreal
          ELSE IF ( ipatch == 4 ) THEN 
            pgrid%xyz(xcoord,ivg) = 0.0_rfreal
          ELSE IF ( ipatch == 5 ) THEN 
            pgrid%xyz(ycoord,ivg) = 1.0_rfreal
          ELSE IF ( ipatch == 6 ) THEN 
            pgrid%xyz(zcoord,ivg) = 0.0_rfreal
          ELSE 
            CALL errorstop(global,err_reached_default,__line__)
          END IF ! iPatch          
        END DO ! ibv
      END DO ! iPatch

! -----------------------------------------------------------------------------
!   Endburner problem (angled, edge length 0.1)
! -----------------------------------------------------------------------------

    CASE ( "endburner3pt_angled" )      
      DO ipatch=1,pgrid%nPatches
        ppatch => pregion%patches(ipatch)

        IF ( global%verbLevel > verbose_low ) THEN
          WRITE(stdout,'(A,3X,A,1X,I3)') solver_name,'Patch:',ipatch       
        END IF ! global%myProcid 

        DO ibv = 1,ppatch%nBVert
          ivg = ppatch%bv(ibv)

          IF ( ipatch == 1 ) THEN 
            pgrid%xyz(zcoord,ivg) = 0.0_rfreal
          ELSE IF ( ipatch == 2 ) THEN 
            pgrid%xyz(xcoord,ivg) = 0.0_rfreal
          ELSE IF ( ipatch == 3 ) THEN 
            pgrid%xyz(ycoord,ivg) = 0.0_rfreal
          ELSE IF ( ipatch == 4 ) THEN 
            pgrid%xyz(ycoord,ivg) = 0.1_rfreal
          ELSE IF ( ipatch == 5 ) THEN 
            pgrid%xyz(zcoord,ivg) = 0.1_rfreal
          ELSE IF ( ipatch == 6 ) THEN 
            pgrid%xyz(xcoord,ivg) = 0.1_rfreal
          ELSE 
            CALL errorstop(global,err_reached_default,__line__)
          END IF ! iPatch          
        END DO ! ibv
      END DO ! iPatch

! ----------------------------------------------------------------------------
!   Default - reaching this here is no error
! ----------------------------------------------------------------------------

    CASE default
      IF ( global%verbLevel > verbose_low ) THEN
        WRITE(stdout,'(A,3X,A)') solver_name,'Nothing to be done.'
      END IF ! global%myProcid       
  END SELECT ! global%casename

  IF ( global%verbLevel > verbose_none ) THEN
    WRITE(stdout,'(A,1X,A,1X,A)') solver_name,'Enforcing patch coordinates', &
                                  'done.'
  END IF ! global%myProcid

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

  CALL deregisterfunction(global)

END SUBROUTINE rflu_user_enforcepatchcoords

!******************************************************************************
!
! RCS Revision history:
!
! $Log: RFLU_USER_EnforcePatchCoords.F90,v $
! Revision 1.3  2008/12/06 08:45:03  mtcampbe
! Updated license.
!
! Revision 1.2  2008/11/19 22:18:14  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.1  2005/04/15 15:09:19  haselbac
! Initial revision
!
! Revision 1.3  2003/03/31 16:22:20  haselbac
! Added CASE for endburner3pt_angled
!
! Revision 1.2  2003/03/20 20:02:32  haselbac
! Modified RegFun call to avoid probs with
! long 'RFLU_USER_EnforcePatchCoords.F90' names
!
! Revision 1.1  2003/02/01 01:14:42  haselbac
! Initial revision
! 
!******************************************************************************