/usr/share/code_saturne/user_examples/cs_user_initialization-gas_ebu.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.
!-------------------------------------------------------------------------------
!===============================================================================
! Purpose:
! -------
!> \file cs_user_initialization-gas_ebu.f90
!>
!> \brief EBU gas example
!>
!> See \subpage cs_user_initialization for examples.
!>
!
!-------------------------------------------------------------------------------
!-------------------------------------------------------------------------------
! Arguments
!______________________________________________________________________________.
! mode name role !
!______________________________________________________________________________!
!> \param[in] nvar total number of variables
!> \param[in] nscal total number of scalars
!> \param[in] dt time step (per cell)
!_______________________________________________________________________________
subroutine cs_user_f_initialization &
( nvar , nscal , &
dt )
!===============================================================================
!===============================================================================
! Module files
!===============================================================================
use paramx
use pointe
use numvar
use optcal
use cstphy
use cstnum
use entsor
use parall
use period
use ppppar
use ppthch
use coincl
use cpincl
use ppincl
use atincl
use ctincl
use ppcpfu
use cs_coal_incl
use cs_fuel_incl
use mesh
use field
!===============================================================================
implicit none
! Arguments
integer nvar , nscal
double precision dt(ncelet)
! Local variables
!< [loc_var_dec]
integer iel, mode, igg, izone
double precision hinit, coefg(ngazgm)
double precision sommqf, sommqt, sommq, tentm, fmelm
integer, allocatable, dimension(:) :: lstelt
double precision, dimension(:), pointer :: cvar_ygfm, cvar_fm, cvar_scalt
!< [loc_var_dec]
!===============================================================================
!---------------
! Initialization
!---------------
call field_get_val_s(ivarfl(isca(iygfm)), cvar_ygfm)
call field_get_val_s(ivarfl(isca(ifm)), cvar_fm)
call field_get_val_s(ivarfl(isca(iscalt)), cvar_scalt)
!< [init]
allocate(lstelt(ncel)) ! temporary array for cells selection
! Control output
write(nfecra,9001)
do igg = 1, ngazgm
coefg(igg) = zero
enddo
!===============================================================================
! Variables initialization:
!
! ONLY done if there is no restart computation
!===============================================================================
if ( isuite.eq.0 ) then
! a. Preliminary calculations
sommqf = zero
sommq = zero
sommqt = zero
! For multiple inlets
do izone = 1, nozapm
sommqf = sommqf + qimp(izone)*fment(izone)
sommqt = sommqt + qimp(izone)*tkent(izone)
sommq = sommq + qimp(izone)
enddo
if (abs(sommq).gt.epzero) then
fmelm = sommqf / sommq
tentm = sommqt / sommq
else
fmelm = zero
tentm = t0
endif
! ----- Calculation of the Enthalpy of the mean gas mixture
! (unburned - or fresh- gas at mean mixture fraction)
if ( ippmod(icoebu).eq.1 .or. ippmod(icoebu).eq.3 ) then
coefg(1) = fmelm
coefg(2) = (1.d0-fmelm)
coefg(3) = zero
mode = -1
! Converting the mean boundary conditions into
! enthalpy values
call cothht &
!==========
( mode , ngazg , ngazgm , coefg , &
npo , npot , th , ehgazg , &
hinit , tentm )
endif
! b. Initialisation
do iel = 1, ncel
! ----- Mass fraction of Unburned Gas
cvar_ygfm(iel) = 5.d-1
! ----- Mean Mixture Fraction
if ( ippmod(icoebu).eq.2 .or. ippmod(icoebu).eq.3 ) then
cvar_fm(iel) = fmelm
endif
! ----- Enthalpy
if ( ippmod(icoebu).eq.1 .or. ippmod(icoebu).eq.3 ) then
cvar_scalt(iel) = hinit
endif
enddo
endif
!< [init]
!--------
! Formats
!--------
9001 format( /,&
' Variables intialisation by user' ,/,&
/)
!----
! End
!----
deallocate(lstelt) ! temporary array for cells selection
return
end subroutine cs_user_f_initialization
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