MED fichier
usecases/f/UsesCase_MEDfield_4.f
1 C* This file is part of MED.
2 C*
3 C* COPYRIGHT (C) 1999 - 2023 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 *
20 C * Field use case 4 : write a field with computing steps
21 C *
22 C *****************************************************************************
23  program usescase_medfield_4
24 C
25  implicit none
26  include 'med.hf77'
27 C
28 C
29  integer cret
30  integer*8 fid
31 
32 C component number, node number
33  integer ncompo
34 C triangular elements number, quadrangular elements number
35  integer ntria3, nquad4
36 C med file name, link file name
37  character*64 fname, lfname
38 C mesh name, field name, component name, commponent unit
39  character*64 mname, finame, cpname, cpunit
40  character*16 dtunit
41  real*8 dt
42  integer ndt, nit
43 C mesh num dt, mesh num it
44  integer mnumdt, mnumit
45 C
46  real*8 t3vs1(8)
47  real*8 t3vs2(8)
48  real*8 q4vs1(4)
49  real*8 q4vs2(4)
50 C
51  parameter(fname = "UsesCase_MEDfield_4.med")
52  parameter(lfname = "./UsesCase_MEDmesh_1.med")
53  parameter(mname = "2D unstructured mesh")
54  parameter(finame = "TEMPERATURE_FIELD")
55  parameter(cpname ="TEMPERATURE", cpunit = "C")
56  parameter(dtunit = "ms")
57  parameter(ncompo = 1 )
58  parameter(ntria3 = 8, nquad4 = 4)
59 
60  data t3vs1 / 1000., 2000., 3000., 4000.,
61  & 5000., 6000., 7000., 8000. /
62  data q4vs1 / 10000., 20000., 30000., 4000. /
63  data t3vs2 / 1500., 2500., 3500., 4500.,
64  & 5500., 6500., 7500., 8500. /
65  data q4vs2 / 15000., 25000., 35000., 45000. /
66 C
67 C
68 C file creation
69  call mfiope(fid,fname,med_acc_creat,cret)
70  if (cret .ne. 0 ) then
71  print *,'ERROR : file creation'
72  call efexit(-1)
73  endif
74 C
75 C
76 C create mesh link
77  call mlnliw(fid,mname,lfname,cret)
78  if (cret .ne. 0 ) then
79  print *,'ERROR : create mesh link ...'
80  call efexit(-1)
81  endif
82 C
83 C
84 C field creation : temperature field : 1 component in celsius degree
85 C the mesh is the 2D unstructured mesh of
86 C UsecaseMEDmesh_1.f use case. Computation step unit in 'ms'
87  call mfdcre(fid,finame,med_float64,ncompo,cpname,cpunit,dtunit,
88  & mname,cret)
89  if (cret .ne. 0 ) then
90  print *,'ERROR : create field ...'
91  call efexit(-1)
92  endif
93 C
94 C
95 C two computation steps :
96 C - first on meshname MED_NO_DT,MED_NO_IT mesh computation step
97 C - second on meshname 1,3 mesh computation step
98 C write values at cell centers : 8 MED_TRIA3 and 4 MED_QUAD4
99 C
100 C
101 C STEP 1 : dt1 = 5.5, it = 1
102 C
103 C
104 C MED_TRIA3
105  dt = 5.5d0
106  ndt = 1
107  nit = 1
108  call mfdrvw(fid,finame,ndt,nit,dt,med_cell,med_tria3,
109  & med_full_interlace,med_all_constituent,
110  & ntria3,t3vs1,cret)
111  if (cret .ne. 0 ) then
112  print *,'ERROR : write field values on MED_TRIA3'
113  call efexit(-1)
114  endif
115 C
116 C
117 C MED_QUAD4
118  call mfdrvw(fid,finame,ndt,nit,dt,med_cell,med_quad4,
119  & med_full_interlace,med_all_constituent,
120  & nquad4,q4vs1,cret)
121  if (cret .ne. 0 ) then
122  print *,'ERROR : write field values on MED_TRIA3'
123  call efexit(-1)
124  endif
125 C
126 C
127 C STEP 2 : dt2 = 8.9, it = 1
128 C
129 C MED_TRIA3
130  dt = 8.9d0
131  ndt = 2
132  nit = 1
133  call mfdrvw(fid,finame,ndt,nit,dt,med_cell,med_tria3,
134  & med_full_interlace,med_all_constituent,
135  & ntria3,t3vs2,cret)
136  if (cret .ne. 0 ) then
137  print *,'ERROR : write field values on MED_TRIA3'
138  call efexit(-1)
139  endif
140 C
141 C
142 C MED_QUAD4
143  call mfdrvw(fid,finame,ndt,nit,dt,med_cell,med_quad4,
144  & med_full_interlace,med_all_constituent,
145  & nquad4,q4vs2,cret)
146  if (cret .ne. 0 ) then
147  print *,'ERROR : write field values on MED_TRIA3'
148  call efexit(-1)
149  endif
150 C
151 C
152 C Write associated mesh computation step
153  mnumdt = 1
154  mnumit = 3
155  call mfdcmw(fid,finame,ndt,nit,mnumdt,mnumit,cret)
156  if (cret .ne. 0 ) then
157  print *,'ERROR : write field mesh computation step error '
158  call efexit(-1)
159  endif
160 C
161 C
162 C close file
163  call mficlo(fid,cret)
164  if (cret .ne. 0 ) then
165  print *,'ERROR : close file'
166  call efexit(-1)
167  endif
168 C
169 C
170 C
171  end
172 C
mlnliw
subroutine mlnliw(fid, mname, lname, cret)
Cette routine permet d'écrire un lien dans un fichier MED.
Definition: medlink.f:21
mfdcmw
subroutine mfdcmw(fid, fname, numdt, numit, mnumdt, mnumit, cret)
Cette fonction permet de définir l'étape de calcul ( meshnumdit , meshnumit ) à utiliser pour le mail...
Definition: medfield.f:333
usescase_medfield_4
program usescase_medfield_4
Definition: UsesCase_MEDfield_4.f:23
mficlo
subroutine mficlo(fid, cret)
Fermeture d'un fichier MED.
Definition: medfile.f:82
mfdcre
subroutine mfdcre(fid, fname, ftype, ncomp, cname, cunit, dtunit, mname, cret)
Cette fonction crée un champ dans un fichier.
Definition: medfield.f:22
mfdrvw
subroutine mfdrvw(fid, fname, numdt, numit, dt, etype, gtype, swm, cs, n, val, cret)
Cette fonction permet d'écrire les valeurs d'un champ définies sur des entités d'un maillage pour une...
Definition: medfield.f:42
med_float64
double med_float64
Definition: med.h:339
mfiope
subroutine mfiope(fid, name, access, cret)
Ouverture d'un fichier MED.
Definition: medfile.f:42