RFLU_ReadTbcInputFile.F90

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! *********************************************************************
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! * Arising FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE    *
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! *********************************************************************
! ******************************************************************************
!
! Purpose: Read in user input related to time-dependent boundary conditions
!   (done on all processors).
!
! Description: None.
!
! Input:
!   pRegion     Pointer to region
!
! Output: None.
!
! Notes: 
!   1. Reads TBCs for all modules
!
! ******************************************************************************
!
! $Id: RFLU_ReadTbcInputFile.F90,v 1.5 2008/12/06 08:44:12 mtcampbe Exp $
!
! Copyright: (c) 2003-2005 by the University of Illinois
!
! ******************************************************************************

SUBROUTINE rflu_readtbcinputfile(pRegion)

  USE moddatatypes
  USE moddatastruct, ONLY: t_region
  USE modglobal, ONLY: t_global
  USE moderror
  USE modparameters
  USE modmpi

  USE modinterfaces, ONLY : rflu_readtbcsection

  IMPLICIT NONE

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

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

  TYPE(t_region), POINTER :: pregion

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

  CHARACTER(CHRLEN+9) :: fname
  CHARACTER(256)      :: line

  INTEGER :: errorflag,loopcounter

  TYPE(t_global), POINTER :: global

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

  global => pregion%global

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

! ******************************************************************************
! Open file
! ******************************************************************************

  WRITE(fname,'(A)') trim(global%inDir)//trim(global%casename)//'.bc'
  OPEN(if_input,file=fname,form='formatted',status='old',iostat=errorflag)
  global%error = errorflag
  IF (global%error /= 0) &
    CALL errorstop( global,err_file_open,__line__,'File: '//trim(fname) )

! read file looking for keywords

  loopcounter = 0

  DO
    READ(if_input,'(A256)',err=10) line
    
    SELECT CASE( trim(line) )

    CASE ('# TBC_PIECEWISE')
      CALL rflu_readtbcsection( pregion, tbc_piecewise )

    CASE ('# TBC_SINUSOIDAL')
      CALL rflu_readtbcsection( pregion, tbc_sinusoidal )

    CASE ('# TBC_STOCHASTIC')
      CALL rflu_readtbcsection( pregion, tbc_stochastic )

    CASE ('# TBC_WHITENOISE')
      CALL rflu_readtbcsection( pregion, tbc_whitenoise )

    CASE ('# END')
      EXIT
    END SELECT ! TRIM(line)

    loopcounter = loopcounter + 1 ! Prevent infinite loop
    IF ( loopcounter >= limit_infinite_loop ) THEN 
      CALL errorstop(global,err_infinite_loop ,__line__)
    END IF ! loopCounter
  ENDDO ! <empty>

! close file

  CLOSE(if_input,iostat=errorflag)
  global%error = errorflag
  IF (global%error /= 0) THEN 
    CALL errorstop(global,err_file_close,__line__,'File: '//trim(fname))
  END IF ! global%error

! finalization & error handling -----------------------------------------------

  goto 999

! error handling

10  CONTINUE
  CALL errorstop(global,err_file_read,__line__,'File: '//trim(fname))

999 CONTINUE

  IF ( global%myProcid == masterproc .AND. &
       global%verbLevel >= verbose_high ) THEN    
    WRITE(stdout,'(A,1X,A)') solver_name,'Reading Rocflu time-dependent '// & 
                             'boundary condition file done.'
  END IF ! global%verbLevel

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

  CALL deregisterfunction(global)

END SUBROUTINE rflu_readtbcinputfile

! ******************************************************************************
!
! RCS Revision history:
!
! $Log: RFLU_ReadTbcInputFile.F90,v $
! Revision 1.5  2008/12/06 08:44:12  mtcampbe
! Updated license.
!
! Revision 1.4  2008/11/19 22:17:25  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.3  2005/04/27 02:08:02  haselbac
! Cosmetics only
!
! Revision 1.2  2003/06/10 22:54:42  jferry
! Added Piecewise TBC
!
! Revision 1.1  2003/06/04 20:05:54  jferry
! re-worked implementation of TBCs in unstructured code
!
! ******************************************************************************