MED fichier
usecases/f/UsesCase_MEDmesh_6.f
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16 C*
17 
18 C******************************************************************************
19 C * How to create an unstructured mesh
20 C *
21 C * Use case 6 : a 2D unstructured mesh with the following features
22 C * computing steps, profiles and nodes coordinates evolution.
23 C *
24 C *****************************************************************************
25  program usescase_medmesh_6
26 C
27  implicit none
28  include 'med.hf77'
29 C
30 C
31  integer cret
32  integer fid
33 C
34  character (MED_NAME_SIZE) mname
35  character (MED_NAME_SIZE) fname
36  character (MED_COMMENT_SIZE) cmt1,mdesc
37  integer sdim, mdim
38 C axis name
39  character (MED_SNAME_SIZE) axname(2)
40 C unit name
41  character (MED_SNAME_SIZE) unname(2)
42  real*8 inicoo(30)
43  integer nnodes, ntria3, nquad4
44 C tria connectivity
45  integer triacy(24)
46 C quad connectivity
47  integer quadcy(16)
48 C new_coordinates_step1
49  real*8 nwcos1(6)
50 C profile1name
51  character (MED_NAME_SIZE) prof1n
52 C profile1
53  integer profi1(3)
54 C profile1size
55  integer pro1sz
56 C new_coordinates_step2
57  real*8 nwcos2(6)
58 C profile2name
59  character (MED_NAME_SIZE) prof2n
60 C profile2
61  integer profi2(3)
62 C profile2size
63  integer pro2sz
64 
65  parameter(fname = "UsesCase_MEDmesh_6.med")
66  parameter(cmt1 = "A 2D unstructured mesh : 15 nodes, 12 cells")
67  parameter(mdesc = "A 2D unstructured mesh")
68  parameter(mname="2D unstructured mesh")
69  parameter(sdim=2, mdim=2)
70  parameter(nnodes=15,ntria3=8,nquad4=4)
71 
72  data axname /"x", "y"/
73  data unname /"cm", "cm"/
74  data inicoo /2.,1., 7.,1., 12.,1., 17.,1., 22.,1.,
75  & 2.,6., 7.,6., 12.,6., 17.,6., 22.,6.,
76  & 2.,11.,7.,11.,12.,11.,17.,11., 22.,11./
77  data triacy /1,7,6, 2,7,1, 3,7,2, 8,7,3,
78  & 13,7,8, 12,7,13, 11,7,12, 6,7,11/
79  data quadcy /3,4,9,8, 4,5,10,9,
80  & 15,14,9,10, 13,8,9,14/
81 
82 C new coordinates (step 1) for nodes 13, 14 and 15
83  data nwcos1 /12.,15., 17.,15., 22.,15./
84  parameter(prof1n="UPPER_QUAD4_PROFILE")
85  data profi1 /13, 14, 15/
86  parameter(pro1sz=3)
87 
88 C new coordinates (step 2) for nodes 8, 9 and 10
89  data nwcos2 /12.,10., 17.,10., 22.,10./
90  parameter(prof2n="MIDDLE_QUAD4_PROFILE")
91  data profi2 /8, 9, 10/
92  parameter(pro2sz=3)
93 C
94 C file creation
95  call mfiope(fid,fname,med_acc_creat,cret)
96  if (cret .ne. 0 ) then
97  print *,"ERROR : file creation"
98  call efexit(-1)
99  endif
100 C
101 C write a comment in the file
102  call mficow(fid,cmt1,cret)
103  if (cret .ne. 0 ) then
104  print *,"ERROR : write file description"
105  call efexit(-1)
106  endif
107 C
108 C create the profiles in the file
109  call mpfprw(fid,prof1n,pro1sz,profi1,cret)
110  if (cret .ne. 0 ) then
111  print *,"ERROR : create profile"
112  call efexit(-1)
113  endif
114 C
115 C create the profiles in the file
116  call mpfprw(fid,prof2n,pro2sz,profi2,cret)
117  if (cret .ne. 0 ) then
118  print *,"ERROR : create profile"
119  call efexit(-1)
120  endif
121 C
122 C mesh creation : a 2D unstructured mesh
123  call mmhcre(fid, mname, sdim, mdim, med_unstructured_mesh, mdesc,
124  & "", med_sort_dtit, med_cartesian, axname, unname, cret)
125  if (cret .ne. 0 ) then
126  print *,"ERROR : mesh creation"
127  call efexit(-1)
128  endif
129 C
130 C
131 C initial nodes coordinates in a cartesian axis in full interlace mode
132 C (X1,Y1, X2,Y2, X3,Y3, ...)
133  call mmhcpw(fid, mname, med_no_dt, med_no_it, 0.0d0,
134  & med_compact_stmode, med_no_profile,
135  & med_full_interlace, med_all_constituent,
136  & nnodes, inicoo, cret)
137  if (cret .ne. 0 ) then
138  print *,"ERROR : nodes coordinates"
139  call efexit(-1)
140  endif
141 C
142 C
143 C cells connectivity is defined in nodal mode
144  call mmhypw(fid, mname, med_no_dt, med_no_it, 0.0d0,
145  & med_cell, med_tria3, med_nodal,
146  & med_compact_stmode, med_no_profile,
147  & med_full_interlace, med_all_constituent,
148  & ntria3, triacy, cret)
149  if (cret .ne. 0 ) then
150  print *,"ERROR : triangular cells connectivity"
151  call efexit(-1)
152  endif
153 C
154 C
155  call mmhypw(fid, mname, med_no_dt, med_no_it, 0.0d0,
156  & med_cell, med_quad4, med_nodal,
157  & med_compact_stmode, med_no_profile,
158  & med_full_interlace, med_all_constituent,
159  & nquad4, quadcy, cret)
160  if (cret .ne. 0 ) then
161  print *,"ERROR : quadrangular cells connectivity"
162  call efexit(-1)
163  endif
164 C
165 C
166 C Mesh deformation (nodes coordinates) in 2 steps
167 C The nodes modified are identified by a profile
168 C
169 C STEP 1 : dt1 = 5.5, it = 1
170  call mmhcpw(fid, mname, 1, 1, 5.5d0,
171  & med_compact_stmode, prof1n,
172  & med_full_interlace, med_all_constituent,
173  & nnodes, nwcos1, cret)
174  if (cret .ne. 0 ) then
175  print *,"ERROR : nodes coordinates"
176  call efexit(-1)
177  endif
178 C
179 C
180 C STEP 2 : dt2 = 8.9, it = 1
181  call mmhcpw(fid, mname, 2, 1, 8.9d0,
182  & med_compact_stmode, prof2n,
183  & med_full_interlace, med_all_constituent,
184  & nnodes, nwcos2, cret)
185  if (cret .ne. 0 ) then
186  print *,"ERROR : nodes coordinates"
187  call efexit(-1)
188  endif
189 C
190 C
191 C create family 0 : by default, all mesh entities family number is 0
192  call mfacre(fid, mname,med_no_name, 0, 0, med_no_group, cret)
193  if (cret .ne. 0 ) then
194  print *,"ERROR : create family 0"
195  call efexit(-1)
196  endif
197 C
198 C
199 C close file
200  call mficlo(fid,cret)
201  if (cret .ne. 0 ) then
202  print *,"ERROR : close file"
203  call efexit(-1)
204  endif
205 C
206 C
207  end
208 C