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UsesCase_MEDmesh_9.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
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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 *
21 C * Use case 9 : 2D unstructured mesh with moving grid transformation
22 C *
23 C *
24 C *****************************************************************************
26 C
27  implicit none
28  include 'med.hf77'
29 C
30 C
31  integer cret
32  integer*8 fid
33 
34 C
35  character (MED_NAME_SIZE) mname
36  character (MED_NAME_SIZE) fname
37  character (MED_COMMENT_SIZE) cmt1,mdesc
38  integer sdim, mdim
39 C axis name
40  character (MED_SNAME_SIZE) axname(2)
41 C unit name
42  character (MED_SNAME_SIZE) unname(2)
43  real*8 inicoo(30)
44  integer nnodes, ntria3, nquad4
45 C tria connectivity
46  integer triacy(24)
47 C quad connectivity
48  integer quadcy(16)
49 C transformation matrix step 1
50  real*8 trama1(7)
51 C transformation matrix step 2
52  real*8 trama2(7)
53 
54  parameter(fname = "UsesCase_MEDmesh_9.med")
55  parameter(cmt1 = "A 2D unstructured mesh : 15 nodes, 12 cells")
56  parameter(mdesc = "A 2D unstructured mesh")
57  parameter(mname="2D unstructured mesh")
58  parameter(sdim=2, mdim=2)
59  parameter(nnodes=15,ntria3=8,nquad4=4)
60 
61  data axname /"x", "y"/
62  data unname /"cm", "cm"/
63  data inicoo /2.,1., 7.,1., 12.,1., 17.,1., 22.,1.,
64  & 2.,6., 7.,6., 12.,6., 17.,6., 22.,6.,
65  & 2.,11.,7.,11.,12.,11.,17.,11., 22.,11./
66  data triacy /1,7,6, 2,7,1, 3,7,2, 8,7,3,
67  & 13,7,8, 12,7,13, 11,7,12, 6,7,11/
68  data quadcy /3,4,9,8, 4,5,10,9,
69  & 15,14,9,10, 13,8,9,14/
70 C transformation matrix (step 1) : rotation about the Y-axis : 45 degrees
71  data trama1 /0.0, 0.0, 0.0, 0.92388, 0.0, 0.38268, 0.0/
72 C transformation matrix (step 2) : rotation about the Y-axis : 90 degrees
73  data trama2 /0.0, 0.0, 0.0, 0.707, 0.0, 0.707, 0.0/
74 C
75 C file creation
76  call mfiope(fid,fname,med_acc_creat,cret)
77  if (cret .ne. 0 ) then
78  print *,"ERROR : file creation"
79  call efexit(-1)
80  endif
81 C
82 C write a comment in the file
83  call mficow(fid,cmt1,cret)
84  if (cret .ne. 0 ) then
85  print *,"ERROR : write file description"
86  call efexit(-1)
87  endif
88 C
89 C mesh creation : a 2D unstructured mesh
90  call mmhcre(fid, mname, sdim, mdim, med_unstructured_mesh, mdesc,
91  & "", med_sort_dtit, med_cartesian, axname, unname, cret)
92  if (cret .ne. 0 ) then
93  print *,"ERROR : mesh creation"
94  call efexit(-1)
95  endif
96 C
97 C
98 C initial nodes coordinates in a cartesian axis in full interlace mode
99 C (X1,Y1, X2,Y2, X3,Y3, ...) with no iteration and computation step
100  call mmhcpw(fid, mname, med_no_dt, med_no_it, 0.0d0,
101  & med_compact_stmode, med_no_profile,
102  & med_full_interlace, med_all_constituent,
103  & nnodes, inicoo, cret)
104  if (cret .ne. 0 ) then
105  print *,"ERROR : nodes coordinates"
106  call efexit(-1)
107  endif
108 C
109 C
110 C cells connectivity is defined in nodal mode
111  call mmhypw(fid, mname, med_no_dt, med_no_it, 0.0d0,
112  & med_cell, med_tria3, med_nodal,
113  & med_compact_stmode, med_no_profile,
114  & med_full_interlace, med_all_constituent,
115  & ntria3, triacy, cret)
116  if (cret .ne. 0 ) then
117  print *,"ERROR : triangular cells connectivity"
118  call efexit(-1)
119  endif
120 C
121 C
122  call mmhypw(fid, mname, med_no_dt, med_no_it, 0.0d0,
123  & med_cell, med_quad4, med_nodal,
124  & med_compact_stmode, med_no_profile,
125  & med_full_interlace, med_all_constituent,
126  & nquad4, quadcy, cret)
127  if (cret .ne. 0 ) then
128  print *,"ERROR : quadrangular cells connectivity"
129  call efexit(-1)
130  endif
131 C
132 C
133 C Mesh deformation (nodes coordinates) in 2 steps
134 C A rotation by step for each node
135 C
136 C STEP 1 : dt1 = 5.5, it = 1
137  call mmhtfw(fid, mname, 1, 1, 5.5d0, trama1, cret)
138 C
139 C
140 C STEP 2 : dt2 = 8.9, it = 1
141  call mmhtfw(fid, mname, 2, 1, 8.9d0, trama2, cret)
142 C
143 C
144 C create family 0 : by default, all mesh entities family number is 0
145  call mfacre(fid, mname,med_no_name, 0, 0, med_no_group, cret)
146  if (cret .ne. 0 ) then
147  print *,"ERROR : create family 0"
148  call efexit(-1)
149  endif
150 C
151 C
152 C close file
153  call mficlo(fid,cret)
154  if (cret .ne. 0 ) then
155  print *,"ERROR : close file"
156  call efexit(-1)
157  endif
158 C
159 C
160  end
161 C
mmhtfw
subroutine mmhtfw(fid, name, numdt, numit, dt, tsf, cret)
Definition: medmesh.f:1249
mfacre
subroutine mfacre(fid, name, fname, fnum, ngro, gname, cret)
Definition: medfamily.f:19
usescase_medmesh_9
program usescase_medmesh_9
Definition: UsesCase_MEDmesh_9.f:25
mmhcpw
subroutine mmhcpw(fid, name, numdt, numit, dt, stm, pname, swm, dim, n, coo, cret)
Definition: medmesh.f:340
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
mmhypw
subroutine mmhypw(fid, name, numdt, numit, dt, entype, geotype, cmode, stmode, pname, swm, dim, n, con, cret)
Definition: medmesh.f:621
mfiope
subroutine mfiope(fid, name, access, cret)
Definition: medfile.f:42
mficlo
subroutine mficlo(fid, cret)
Definition: medfile.f:82