/usr/share/code_saturne/user_examples/cs_user_porosity.f90 is in code-saturne-data 4.3.3+repack-1build1.
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! Code_Saturne version 4.3.3
! --------------------------
! This file is part of Code_Saturne, a general-purpose CFD tool.
!
! Copyright (C) 1998-2016 EDF S.A.
!
! This program is free software; you can redistribute it and/or modify it under
! the terms of the GNU General Public License as published by the Free Software
! Foundation; either version 2 of the License, or (at your option) any later
! version.
!
! This program is distributed in the hope that it will be useful, but WITHOUT
! ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
! FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
! details.
!
! You should have received a copy of the GNU General Public License along with
! this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
! Street, Fifth Floor, Boston, MA 02110-1301, USA.
!-------------------------------------------------------------------------------
!===============================================================================
! Function:
! ---------
!> \file cs_user_porosity.f90
!>
!> \brief This function computes the porosity (volume factor \f$ \epsilon \f$
!> when porosity module is activated (iporos = 1 in cs_user_parameters.f90).
!>
!> See \subpage cs_porosity for examples.
!>
!-------------------------------------------------------------------------------
!-------------------------------------------------------------------------------
! Arguments
!______________________________________________________________________________.
! mode name role !
!______________________________________________________________________________!
!_______________________________________________________________________________
subroutine usporo
!================
!===============================================================================
!===============================================================================
! Module files
!===============================================================================
use paramx
use numvar
use optcal
use cstnum
use parall
use period
use mesh
use field
!===============================================================================
implicit none
! Local variables
!< [loc_var_dec]
integer iel, ii, jj
double precision x, pormin, pormax, hc, ll, dhc
double precision, dimension(:), pointer :: cpro_porosi
!< [loc_var_dec]
!===============================================================================
!< [init]
! Retrieve porosity field
call field_get_val_s(ipori, cpro_porosi)
!< [init]
!< [example_1]
! Example: fixe a linear by part porosity profile
ll = 2.d0
dhc = 1.d0
do iel = 1, ncel
x = xyzcen(1,iel)
if (x.le.(ll/2.d0)) then
hc = 1.d0 - 2.d0*dhc*x/ll
else
hc = 1.d0 - dhc + dhc*(2.d0*x-ll)/ll
endif
cpro_porosi(iel) = hc
pormin = min(pormin,cpro_porosi(iel))
pormax = max(pormax,cpro_porosi(iel))
enddo
!< [example_1]
!< [parallelism]
! Periodicity and parallelism treatment
if (irangp.ge.0) then
call parmax (pormax)
call parmin (pormin)
endif
!< [parallelism]
return
end subroutine usporo
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