TURB_LesTestRhoV.F90

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!******************************************************************************
!
! Purpose: Compute test filtered density and velocities at cell centers.
!
! Description: We filter mixture cv using cell to cell (test) filtering.
!              The cell filtered cv is then processed to get Favre filtered
!              velocities.
!
! Input: region = data of current region
!
! Output: ccVar = cell filtered rho and u_i
!
! Notes: none.
!
!******************************************************************************
!
! $Id: TURB_LesTestRhoV.F90,v 1.6 2008/12/06 08:44:42 mtcampbe Exp $
!
! Copyright: (c) 2001 by the University of Illinois
!
!******************************************************************************

SUBROUTINE turb_lestestrhov( region,ibc,iec )

  USE moddatatypes
  USE moddatastruct, ONLY : t_region
  USE modglobal, ONLY     : t_global
#ifdef RFLO
  USE turb_modinterfaces, ONLY : turb_flolesunifiltcc, turb_flolesgenfiltcc 

#include "Indexing.h"
#endif
  USE modturbulence
  USE moderror
  USE modparameters
  USE turb_modparameters
  IMPLICIT NONE

! ... parameters
  TYPE(t_region) :: region
  INTEGER        :: ibc, iec

! ... loop variables
  INTEGER :: i, j, k, ijkc

! ... local variables
  CHARACTER(CHRLEN)       :: rcsidentstring
  TYPE(t_global), POINTER :: global

  INTEGER :: idbeg,idend,tndel(diri:dirk)
  REAL(RFREAL), POINTER :: cv(:,:), ccvar(:,:)

#ifdef RFLO
  INTEGER :: ilev
#endif

!******************************************************************************

  rcsidentstring = '$RCSfile: TURB_LesTestRhoV.F90,v $'

  global => region%global
  CALL registerfunction( global,'TURB_LesTestRhoV',&
  'TURB_LesTestRhoV.F90' )

! get indices and pointers --------------------------------------------------

#ifdef RFLO
  ilev  =  region%currLevel
  cv    => region%levels(ilev)%mixt%cv
  ccvar => region%levels(ilev)%turb%ccVar
#endif
#ifdef RFLU
  cv    => region%mixt%cv
  ccvar => region%turb%ccVar
#endif

! test filter width is twice bar filter width

  tndel(diri) = 2*region%turbInput%filterWidth(diri)
#ifdef RFLO
  tndel(dirj) = 2*region%turbInput%filterWidth(dirj)
  tndel(dirk) = 2*region%turbInput%filterWidth(dirk)
#endif

! we calculate vi=test[bar(rho*ui)]/test[bar(rho)] from bar(rho) and 
! bar(rho*ui) already available as mixt%cv; the filtered conservative
! variables and returned at cell centers including dummies in ccVar

  idbeg = cv_turb_dens
  idend = cv_turb_zmom
#ifdef RFLO
  IF (region%turbInput%filterType == filtype_uniform) THEN
    CALL turb_flolesunifiltcc( region,tndel,idbeg,idend,cv,ccvar )
  ELSE
    CALL turb_flolesgenfiltcc( region,tndel,idbeg,idend,cv,ccvar )
  ENDIF
#endif
#ifdef RFLU
!  CALL TURB_FluLesFiltCC( region,tNDel,idBeg,idEnd,cv,ccVar )
  ccvar(idbeg:idend,:) = cv(idbeg:idend,:)
#endif

! for efficiency we store 1/test(bar[rho]) in ccVar(CV_TURB_DENS,:)

  DO ijkc=ibc,iec
    ccvar(cv_turb_dens,ijkc) = 1._rfreal/ccvar(cv_turb_dens,ijkc)
  ENDDO

! then compute vi and store these in ccVar

  DO ijkc=ibc,iec
    ccvar(cv_turb_uvel,ijkc) = ccvar(cv_turb_xmom,ijkc)* &
                               ccvar(cv_turb_dens,ijkc)
    ccvar(cv_turb_vvel,ijkc) = ccvar(cv_turb_ymom,ijkc)* &
                               ccvar(cv_turb_dens,ijkc)
    ccvar(cv_turb_wvel,ijkc) = ccvar(cv_turb_zmom,ijkc)* &
                               ccvar(cv_turb_dens,ijkc)
  ENDDO

! finalize --------------------------------------------------------------------

  CALL deregisterfunction( global )

END SUBROUTINE turb_lestestrhov

!******************************************************************************
!
! RCS Revision history:
!
! $Log: TURB_LesTestRhoV.F90,v $
! Revision 1.6  2008/12/06 08:44:42  mtcampbe
! Updated license.
!
! Revision 1.5  2008/11/19 22:17:54  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.4  2005/12/31 23:28:15  wasistho
! copy cv to ccVar for rocflu temporarily
!
! Revision 1.3  2004/03/19 02:51:34  wasistho
! prepared for RFLU
!
! Revision 1.2  2004/03/12 02:55:35  wasistho
! changed rocturb routine names
!
! Revision 1.1  2004/03/05 04:37:00  wasistho
! changed nomenclature
!
! Revision 1.3  2003/05/16 05:43:44  wasistho
! modified array range of CC-filtered
!
! Revision 1.2  2003/05/15 02:57:06  jblazek
! Inlined index function.
!
! Revision 1.1  2002/10/14 23:55:30  wasistho
! Install Rocturb
!
!
!******************************************************************************