usecases/f/UsesCase_MEDmesh_9.f
C* This file is part of MED.
C*
C* COPYRIGHT (C) 1999 - 2020 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 *
C * Use case 9 : 2D unstructured mesh with moving grid transformation
C *
C *
C *****************************************************************************
program usescase_medmesh_9
C
implicit none
include 'med.hf77'
C
C
integer cret
integer*8 fid
C
character (MED_NAME_SIZE) mname
character (MED_NAME_SIZE) fname
character (MED_COMMENT_SIZE) cmt1,mdesc
integer sdim, mdim
C axis name
character (MED_SNAME_SIZE) axname(2)
C unit name
character (MED_SNAME_SIZE) unname(2)
real*8 inicoo(30)
integer nnodes, ntria3, nquad4
C tria connectivity
integer triacy(24)
C quad connectivity
integer quadcy(16)
C transformation matrix step 1
real*8 trama1(7)
C transformation matrix step 2
real*8 trama2(7)
parameter(fname = "UsesCase_MEDmesh_9.med")
parameter(cmt1 = "A 2D unstructured mesh : 15 nodes, 12 cells")
parameter(mdesc = "A 2D unstructured mesh")
parameter(mname="2D unstructured mesh")
parameter(sdim=2, mdim=2)
parameter(nnodes=15,ntria3=8,nquad4=4)
data axname /"x", "y"/
data unname /"cm", "cm"/
data inicoo /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./
data triacy /1,7,6, 2,7,1, 3,7,2, 8,7,3,
& 13,7,8, 12,7,13, 11,7,12, 6,7,11/
data quadcy /3,4,9,8, 4,5,10,9,
& 15,14,9,10, 13,8,9,14/
C transformation matrix (step 1) : rotation about the Y-axis : 45 degrees
data trama1 /0.0, 0.0, 0.0, 0.92388, 0.0, 0.38268, 0.0/
C transformation matrix (step 2) : rotation about the Y-axis : 90 degrees
data trama2 /0.0, 0.0, 0.0, 0.707, 0.0, 0.707, 0.0/
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 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 mesh creation : a 2D unstructured mesh
call mmhcre(fid, mname, sdim, mdim, med_unstructured_mesh, mdesc,
& "", med_sort_dtit, med_cartesian, axname, unname, cret)
if (cret .ne. 0 ) then
print *,"ERROR : mesh creation"
call efexit(-1)
endif
C
C
C initial nodes coordinates in a cartesian axis in full interlace mode
C (X1,Y1, X2,Y2, X3,Y3, ...) with no iteration and computation step
call mmhcpw(fid, mname, med_no_dt, med_no_it, 0.0d0,
& med_compact_stmode, med_no_profile,
& med_full_interlace, med_all_constituent,
& nnodes, inicoo, cret)
if (cret .ne. 0 ) then
print *,"ERROR : nodes coordinates"
call efexit(-1)
endif
C
C
C cells connectivity is defined in nodal mode
call mmhypw(fid, mname, med_no_dt, med_no_it, 0.0d0,
& med_cell, med_tria3, med_nodal,
& med_compact_stmode, med_no_profile,
& med_full_interlace, med_all_constituent,
& ntria3, triacy, cret)
if (cret .ne. 0 ) then
print *,"ERROR : triangular cells connectivity"
call efexit(-1)
endif
C
C
call mmhypw(fid, mname, med_no_dt, med_no_it, 0.0d0,
& med_cell, med_quad4, med_nodal,
& med_compact_stmode, med_no_profile,
& med_full_interlace, med_all_constituent,
& nquad4, quadcy, cret)
if (cret .ne. 0 ) then
print *,"ERROR : quadrangular cells connectivity"
call efexit(-1)
endif
C
C
C Mesh deformation (nodes coordinates) in 2 steps
C A rotation by step for each node
C
C STEP 1 : dt1 = 5.5, it = 1
call mmhtfw(fid, mname, 1, 1, 5.5d0, trama1, cret)
C
C
C STEP 2 : dt2 = 8.9, it = 1
call mmhtfw(fid, mname, 2, 1, 8.9d0, trama2, cret)
C
C
C create family 0 : by default, all mesh entities family number is 0
call mfacre(fid, mname,med_no_name, 0, 0, med_no_group, cret)
if (cret .ne. 0 ) then
print *,"ERROR : create family 0"
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
end
C
usescase_medmesh_9
program usescase_medmesh_9
Definition UsesCase_MEDmesh_9.f:25
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
mfiope
subroutine mfiope(fid, name, access, cret)
Ouverture d'un fichier MED.
Definition medfile.f:42
mficow
subroutine mficow(fid, cmt, cret)
Ecriture d'un descripteur dans un fichier MED.
Definition medfile.f:99
mficlo
subroutine mficlo(fid, cret)
Fermeture d'un fichier MED.
Definition medfile.f:82
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
mmhcpw
subroutine mmhcpw(fid, name, numdt, numit, dt, stm, pname, swm, dim, n, coo, cret)
Definition medmesh.f:340
mmhtfw
subroutine mmhtfw(fid, name, numdt, numit, dt, tsf, cret)
Definition medmesh.f:1249
mmhypw
subroutine mmhypw(fid, name, numdt, numit, dt, entype, geotype, cmode, stmode, pname, swm, dim, n, con, cret)
Definition medmesh.f:621