RFLU_ModGridUtils.F90

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! *********************************************************************
! * Rocstar Simulation Suite                                          *
! * Copyright@2015, Illinois Rocstar LLC. All rights reserved.        *
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! * Illinois Rocstar LLC                                              *
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! * 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           *
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! * 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: Collection of utility routines for grid.
!
! Description: None.
!
! Notes: None. 
!
! ******************************************************************************
!
! $Id: RFLU_ModGridUtils.F90,v 1.3 2008/12/06 08:44:22 mtcampbe Exp $
!
! Copyright: (c) 2006 by the University of Illinois
!
! ******************************************************************************

MODULE rflu_modgridutils

  USE modparameters
  USE moddatatypes  
  USE modglobal, ONLY: t_global
  USE modgrid, ONLY: t_grid
  USE modbndpatch, ONLY: t_patch  
  USE moddatastruct, ONLY: t_region
  USE moderror
  USE modmpi
  
  IMPLICIT NONE
  
! ******************************************************************************
! Definitions and declarations
! ******************************************************************************

! ==============================================================================
! Private data
! ==============================================================================

  CHARACTER(CHRLEN), PRIVATE :: & 
    RCSIdentString = '$RCSfile: RFLU_ModGridUtils.F90,v $ $Revision: 1.3 $'        

! ==============================================================================
! Public functions
! ==============================================================================
  
  PUBLIC :: rflu_distortgrid

! ==============================================================================
! Private functions
! ==============================================================================



! ******************************************************************************
! Routines
! ******************************************************************************

  CONTAINS
  
  
     
   
   
! ******************************************************************************
!
! Purpose: Distort grid.
!
! Description: None.
!
! Input:
!   pRegion             Pointer to region data
!
! Output: None.
!
! Notes: None.
!
! ******************************************************************************

SUBROUTINE rflu_distortgrid(pRegion)
  
  USE modrandom, ONLY: rand1uniform
  
  USE rflu_modboundarytests, ONLY: rflu_testisboundaryvertex    
      
  IMPLICIT NONE

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

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

  TYPE(t_region), POINTER :: pregion

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

  INTEGER :: errorflag,ivg
  REAL(RFREAL) :: dx,dy,dz,xrand,yrand,zrand
  TYPE(t_global), POINTER :: global
  TYPE(t_grid), POINTER :: pgrid

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

  global => pregion%global

  CALL registerfunction(global,'RFLU_DistortGrid',&
  'RFLU_ModGridUtils.F90')

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

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

  pgrid => pregion%grid

  dx = global%distortX
  dy = global%distortY
  dz = global%distortZ

! ******************************************************************************
! Loop over vertices
! ******************************************************************************

  DO ivg = 1,pgrid%nVertTot
    IF ( rflu_testisboundaryvertex(pregion,ivg) .EQV. .false. ) THEN 
      xrand = rand1uniform(pregion%randData)
      yrand = rand1uniform(pregion%randData)
      zrand = rand1uniform(pregion%randData)            
    
      pgrid%xyz(xcoord,ivg) = pgrid%xyz(xcoord,ivg) + xrand*dx
      pgrid%xyz(ycoord,ivg) = pgrid%xyz(ycoord,ivg) + yrand*dy
      pgrid%xyz(zcoord,ivg) = pgrid%xyz(zcoord,ivg) + zrand*dz           
    END IF ! RFLU_TestIsBoundaryVertex
  END DO ! iPatch

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

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

END SUBROUTINE rflu_distortgrid
   
   
   
  


END MODULE rflu_modgridutils

! ******************************************************************************
!
! RCS Revision history:
!
! $Log: RFLU_ModGridUtils.F90,v $
! Revision 1.3  2008/12/06 08:44:22  mtcampbe
! Updated license.
!
! Revision 1.2  2008/11/19 22:17:33  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.1  2006/08/04 02:59:30  haselbac
! Initial revision
!
! ******************************************************************************