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UsesCase_MEDmesh_1.f
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1 C* This file is part of MED.
2 C*
3 C* COPYRIGHT (C) 1999 - 2019 EDF R&D, CEA/DEN
4 C* MED is free software: you can redistribute it and/or modify
5 C* it under the terms of the GNU Lesser General Public License as published by
6 C* the Free Software Foundation, either version 3 of the License, or
7 C* (at your option) any later version.
8 C*
9 C* MED is distributed in the hope that it will be useful,
10 C* but WITHOUT ANY WARRANTY; without even the implied warranty of
11 C* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 C* GNU Lesser General Public License for more details.
13 C*
14 C* You should have received a copy of the GNU Lesser General Public License
15 C* along with MED. If not, see <http://www.gnu.org/licenses/>.
16 C*
17
18 C******************************************************************************
19 C * How to create an unstructured mesh
20 C * Use case 1 : a 2D unstructured mesh with 15 nodes,
21 C * 8 triangular cells, 4 quadrangular cells
22 C *
23 C *****************************************************************************
24 program usescase_medmesh_1
25 C
26 implicit none
27 include 'med.hf77'
28 C
29 C
30 C
31 integer cret
32 integer*8 fid
33
34 integer sdim, mdim, stype, mtype, atype, nnode
35 integer ntria, nquad
36 integer fnum, ngro
37 character*200 cmt1,mdesc
38 character*64 fname
39 character*64 mname
40 character*16 nomcoo(2)
41 character*16 unicoo(2)
42 character*16 dtunit
43 real*8 dt
44 parameter(fname = "UsesCase_MEDmesh_1.med")
45 parameter(mdesc = "A 2D unstructured mesh")
46 parameter(cmt1 = "A 2D unstructured mesh : 15 nodes, 12 cells")
47 parameter(mname = "2D unstructured mesh")
48 parameter(sdim = 2, mdim = 2, nnode=15)
49 parameter(stype=med_sort_dtit, mtype=med_unstructured_mesh)
50 parameter(atype=med_cartesian)
51 parameter(dt=0.0d0)
52 parameter(ntria = 8, nquad = 4)
53 parameter(fnum = 0, ngro = 0)
54 data dtunit /" "/
55 data nomcoo /"x" ,"y" /
56 data unicoo /"cm","cm"/
57 real*8 coo(30)
58 data coo /2.,1.,7.,1.,12.,1.,17.,1.,22.,1.,
59 & 2.,6., 7.,6., 12.,6., 17.,6., 22.,6.,
60 & 2.,11., 7.,11., 12.,11., 17.,11., 22.,11./
61 integer tricon(24)
62 data tricon /1,7,6, 2,7,1, 3,7,2, 8,7,3,
63 & 13,7,8, 12,7,13, 11,7,12, 6,7,11/
64 integer quacon(16)
65 data quacon /3,4,9,8, 4,5,10,9,
66 & 15,14,9,10, 13,8,9,14 /
67 C
68 C
69 C file creation
70 call mfiope(fid,fname,med_acc_creat,cret)
71 if (cret .ne. 0 ) then
72 print *,'ERROR : file creation'
73 call efexit(-1)
74 endif
75 C
76 C
77 C write a comment in the file
78 call mficow(fid,cmt1,cret)
79 if (cret .ne. 0 ) then
80 print *,'ERROR : write file description'
81 call efexit(-1)
82 endif
83 C
84 C
85 C mesh creation
86 call mmhcre(fid, mname, sdim, mdim, mtype,mdesc,
87 & dtunit, stype, atype, nomcoo, unicoo, cret)
88 if (cret .ne. 0 ) then
89 print *,'ERROR : mesh creation'
90 call efexit(-1)
91 endif
92 C
93 C
94 C write nodes coordinates
95 call mmhcow(fid,mname,med_no_dt,med_no_it,dt,
96 & med_full_interlace,nnode,coo,cret)
97 if (cret .ne. 0 ) then
98 print *,'ERROR : write nodes coordinates description'
99 call efexit(-1)
100 endif
101 C
102 C
103 C cells connectiviy is defined in nodal mode with
104 C no iteration and computation step
105 call mmhcyw(fid,mname,med_no_dt,med_no_it,dt,med_cell,
106 & med_tria3,med_nodal,med_full_interlace,
107 & ntria,tricon,cret)
108 print *,cret
109 if (cret .ne. 0 ) then
110 print *,'ERROR : triangular cells connectivity'
111 call efexit(-1)
112 endif
113 C
114 call mmhcyw(fid,mname,med_no_dt,med_no_it,dt,med_cell,
115 & med_quad4,med_nodal,med_full_interlace,
116 & nquad,quacon,cret)
117 print *,cret
118 if (cret .ne. 0 ) then
119 print *,'ERROR : quadrangular cells connectivity'
120 call efexit(-1)
121 endif
122 C
123 C
124 C create family 0 : by default, all mesh entities family number is 0
125 call mfacre(fid,mname,med_no_name,fnum,ngro,med_no_group,cret)
126 print *,cret
127 if (cret .ne. 0 ) then
128 print *,'ERROR : family 0 creation'
129 call efexit(-1)
130 endif
131 C
132 C
133 C close file
134 call mficlo(fid,cret)
135 if (cret .ne. 0 ) then
136 print *,'ERROR : close file'
137 call efexit(-1)
138 endif
139 C
140 C
141 C
142 end
143 C
mmhcow
subroutine mmhcow(fid, name, numdt, numit, dt, swm, n, coo, cret)
Definition: medmesh.f:299
mfacre
subroutine mfacre(fid, name, fname, fnum, ngro, gname, cret)
Definition: medfamily.f:19
mmhcyw
subroutine mmhcyw(fid, name, numdt, numit, dt, entype, geotype, cmode, swm, n, con, cret)
Definition: medmesh.f:578
mfiope
subroutine mfiope(fid, name, access, cret)
Definition: medfile.f:42
usescase_medmesh_1
program usescase_medmesh_1
Definition: UsesCase_MEDmesh_1.f:24
mmhcre
subroutine mmhcre(fid, name, sdim, mdim, mtype, desc, dtunit, stype, atype, aname, aunit, cret)
Definition: medmesh.f:20
mficow
subroutine mficow(fid, cmt, cret)
Definition: medfile.f:99
mficlo
subroutine mficlo(fid, cret)
Definition: medfile.f:82