/usr/share/code_saturne/user_examples/cs_user_physical_properties-richards_sat.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_physical_properties-richards_sat.f90
!>
!> \brief Definition of physical variable laws example.
!>
!> See \subpage physical_properties for examples.
!>
!-------------------------------------------------------------------------------
subroutine usphyv &
( nvar , nscal , &
mbrom , &
dt )
use paramx
use pointe
use numvar
use optcal
use cstphy
use entsor
use parall
use period
use ppppar
use ppthch
use ppincl
use field
use mesh
use darcy_module
!===============================================================================
implicit none
! Arguments
integer nvar , nscal
integer mbrom
double precision dt(ncelet)
! Local variables
double precision darcy_isotropic_dispersion, molecular_diffusion
double precision velocity_norm
integer iel, ii, fid
integer ncelt, icelt, ifcvsl
character*80 fname
integer, allocatable, dimension(:) :: lstcel
integer, allocatable, dimension(:) :: delay_id
double precision, dimension(:), pointer :: delay, capacity, permeability
double precision, dimension(:,:), pointer :: tensor_permeability
double precision, dimension(:), pointer :: cpro_vscalt, saturation
double precision, dimension(:,:), pointer :: vel
double precision, dimension(:), pointer :: cvar_pr
!===============================================================================
! Initialisation
!===============================================================================
! Initialisation of delay table for each solute
allocate(delay_id(nscal))
do ii = 1, nscal
! Name of the scalar ivar
call field_get_name(ivarfl(isca(ii)), fname)
! Index of the corresponding field
call field_get_id(trim(fname)//'_delay', delay_id(ii))
enddo
! Index field for the capacity table (C = grad(theta)/grad(h))
call field_get_val_s_by_name('capacity', capacity)
! Index field for the saturation table (theta)
call field_get_val_s_by_name('saturation', saturation)
! Index field for permeability for the flow part
if (darcy_anisotropic_permeability.eq.0) then
call field_get_val_s_by_name('permeability', permeability)
else
call field_get_id('permeability',fid)
call field_get_val_v(fid, tensor_permeability)
endif
! Index for hydraulic head (H=h+z) and darcian velocity
call field_get_val_s(ivarfl(ipr), cvar_pr)
call field_get_val_v(ivarfl(iu), vel)
!===============================================================================
! Example of the physical properties definition of two fully saturated soils
!===============================================================================
! Flow part
!==========
allocate(lstcel(ncel))
!< [richards_flow_soils]
! Set parameters for soil 1
call getcel('SOIL1', ncelt, lstcel)
! Loop on cell of the list
do icelt = 1, ncelt
! Cell number
iel = lstcel(icelt)
! Set saturation and capacity (0 if saturated)
saturation(iel) = 0.6d0
capacity(iel) = 0.d0
! Set permeability
if (darcy_anisotropic_permeability.eq.0) then
permeability(iel) = 1.d-1
else
tensor_permeability(1,iel) = 1.d-1
tensor_permeability(2,iel) = 1.d-1
tensor_permeability(3,iel) = 1.d-2
tensor_permeability(4:6,iel) = 0.d0
endif
enddo
! Set parameters for soil 2
call getcel('SOIL2', ncelt, lstcel)
! Loop on cell of the list
do icelt = 1, ncelt
! Cell number
iel = lstcel(icelt)
! Set saturation and capacity (0 if saturated)
saturation(iel) = 0.4d0
capacity(iel) = 0.d0
! Set permeability
if (darcy_anisotropic_permeability.eq.0) then
permeability(iel) = 5.d-1
else
tensor_permeability(1,iel) = 5.d-1
tensor_permeability(2,iel) = 5.d-1
tensor_permeability(3,iel) = 5.d-2
tensor_permeability(4:6,iel) = 0.d0
endif
enddo
!< [richards_flow_soils]
!===============
! Transport part
!===============
! Loop on solute
do ii = 1, nscal
! Index field for delay
call field_get_val_s(delay_id(ii), delay)
! Index field for diffusion (dispersion and molecular diffusion) for the transport part
call field_get_key_int(ivarfl(isca(ii)), kivisl, ifcvsl)
if (ifcvsl.ge.0) then
call field_get_val_s(ifcvsl, cpro_vscalt)
else
cpro_vscalt => NULL()
endif
!< [richards_flow_solut]
! Definition of the isotropic diffusion (dispersion and moleculer diffusion)
call getcel ('SOIL1', ncelt, lstcel)
darcy_isotropic_dispersion = 1.d0
molecular_diffusion = 1.d-6
do icelt = 1, ncelt
iel = lstcel(icelt)
if (ifcvsl.ge.0) then
velocity_norm = sqrt(vel(1,iel)**2+vel(2,iel)**2+vel(3,iel)**2)
cpro_vscalt(iel) = darcy_isotropic_dispersion * velocity_norm + &
saturation(iel) * molecular_diffusion
endif
enddo
! Definition of the isotropic diffusion (dispersion and moleculer diffusion)
call getcel ('SOIL2', ncelt, lstcel)
darcy_isotropic_dispersion = 0.2d0
molecular_diffusion = 1.d-8
do icelt = 1, ncelt
iel = lstcel(icelt)
if (ifcvsl.ge.0) then
velocity_norm = sqrt(vel(1,iel)**2+vel(2,iel)**2+vel(3,iel)**2)
cpro_vscalt(iel) = darcy_isotropic_dispersion * velocity_norm + &
saturation(iel) * molecular_diffusion
endif
enddo
! No delay for both soils
do iel = 1, ncel
delay(iel) = 1.d0
enddo
!< [richards_flow_solut]
enddo
deallocate(delay_id)
!===============================================================================
return
end subroutine usphyv
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