UsesCase_MEDmesh_1.f
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C* This file is part of MED.
C*
C* COPYRIGHT (C) 1999 - 2021 EDF R&D, CEA/DEN
C* MED is free software: you can redistribute it and/or modify
C* it under the terms of the GNU Lesser General Public License as published by
C* the Free Software Foundation, either version 3 of the License, or
C* (at your option) any later version.
C*
C* MED is distributed in the hope that it will be useful,
C* but WITHOUT ANY WARRANTY; without even the implied warranty of
C* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
C* GNU Lesser General Public License for more details.
C*
C* You should have received a copy of the GNU Lesser General Public License
C* along with MED. If not, see <http://www.gnu.org/licenses/>.
C*
C******************************************************************************
C * How to create an unstructured mesh
C * Use case 1 : a 2D unstructured mesh with 15 nodes,
C * 8 triangular cells, 4 quadrangular cells
C *
C *****************************************************************************
program usescase_medmesh_1
C
implicit none
include 'med.hf77'
C
C
C
integer cret
integer*8 fid
integer sdim, mdim, stype, mtype, atype, nnode
integer ntria, nquad
integer fnum, ngro
character*200 cmt1,mdesc
character*64 fname
character*64 mname
character*16 nomcoo(2)
character*16 unicoo(2)
character*16 dtunit
real*8 dt
parameter(fname = "UsesCase_MEDmesh_1.med")
parameter(mdesc = "A 2D unstructured mesh")
parameter(cmt1 = "A 2D unstructured mesh : 15 nodes, 12 cells")
parameter(mname = "2D unstructured mesh")
parameter(sdim = 2, mdim = 2, nnode=15)
parameter(stype=med_sort_dtit, mtype=med_unstructured_mesh)
parameter(atype=med_cartesian)
parameter(dt=0.0d0)
parameter(ntria = 8, nquad = 4)
parameter(fnum = 0, ngro = 0)
data dtunit /" "/
data nomcoo /"x" ,"y" /
data unicoo /"cm","cm"/
real*8 coo(30)
data coo /2.,1.,7.,1.,12.,1.,17.,1.,22.,1.,
& 2.,6., 7.,6., 12.,6., 17.,6., 22.,6.,
& 2.,11., 7.,11., 12.,11., 17.,11., 22.,11./
integer tricon(24)
data tricon /1,7,6, 2,7,1, 3,7,2, 8,7,3,
& 13,7,8, 12,7,13, 11,7,12, 6,7,11/
integer quacon(16)
data quacon /3,4,9,8, 4,5,10,9,
& 15,14,9,10, 13,8,9,14 /
C
C
C file creation
call mfiope(fid,fname,med_acc_creat,cret)
if (cret .ne. 0 ) then
print *,'ERROR : file creation'
call efexit(-1)
endif
C
C
C write a comment in the file
call mficow(fid,cmt1,cret)
if (cret .ne. 0 ) then
print *,'ERROR : write file description'
call efexit(-1)
endif
C
C
C mesh creation
call mmhcre(fid, mname, sdim, mdim, mtype,mdesc,
& dtunit, stype, atype, nomcoo, unicoo, cret)
if (cret .ne. 0 ) then
print *,'ERROR : mesh creation'
call efexit(-1)
endif
C
C
C write nodes coordinates
call mmhcow(fid,mname,med_no_dt,med_no_it,dt,
& med_full_interlace,nnode,coo,cret)
if (cret .ne. 0 ) then
print *,'ERROR : write nodes coordinates description'
call efexit(-1)
endif
C
C
C cells connectiviy is defined in nodal mode with
C no iteration and computation step
call mmhcyw(fid,mname,med_no_dt,med_no_it,dt,med_cell,
& med_tria3,med_nodal,med_full_interlace,
& ntria,tricon,cret)
print *,cret
if (cret .ne. 0 ) then
print *,'ERROR : triangular cells connectivity'
call efexit(-1)
endif
C
call mmhcyw(fid,mname,med_no_dt,med_no_it,dt,med_cell,
& med_quad4,med_nodal,med_full_interlace,
& nquad,quacon,cret)
print *,cret
if (cret .ne. 0 ) then
print *,'ERROR : quadrangular cells connectivity'
call efexit(-1)
endif
C
C
C create family 0 : by default, all mesh entities family number is 0
call mfacre(fid,mname,med_no_name,fnum,ngro,med_no_group,cret)
print *,cret
if (cret .ne. 0 ) then
print *,'ERROR : family 0 creation'
call efexit(-1)
endif
C
C
C close file
call mficlo(fid,cret)
if (cret .ne. 0 ) then
print *,'ERROR : close file'
call efexit(-1)
endif
C
C
C
end
C
mficlo
subroutine mficlo(fid, cret)
Fermeture d'un fichier MED.
Definition: medfile.f:82
mmhcow
subroutine mmhcow(fid, name, numdt, numit, dt, swm, n, coo, cret)
Cette routine permet d'écrire dans un maillage le tableau des coordonnées des noeuds,...
Definition: medmesh.f:299
usescase_medmesh_1
program usescase_medmesh_1
Definition: UsesCase_MEDmesh_1.f:24
mmhcyw
subroutine mmhcyw(fid, name, numdt, numit, dt, entype, geotype, cmode, swm, n, con, cret)
Cette routine permet d'écrire dans un maillage le tableau des connectivités pour un type géométrique ...
Definition: medmesh.f:578
mmhcre
subroutine mmhcre(fid, name, sdim, mdim, mtype, desc, dtunit, stype, atype, aname, aunit, cret)
Cette routine permet de créer un maillage dans un fichier.
Definition: medmesh.f:20
mfiope
subroutine mfiope(fid, name, access, cret)
Ouverture d'un fichier MED.
Definition: medfile.f:42
mfacre
subroutine mfacre(fid, name, fname, fnum, ngro, gname, cret)
Cette routine permet la création d'une famille portant sur les entités d'un maillage.
Definition: medfamily.f:19
mficow
subroutine mficow(fid, cmt, cret)
Ecriture d'un descripteur dans un fichier MED.
Definition: medfile.f:99