UsesCase_MEDmesh_2.f90
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! This file is part of MED.
!*
!* COPYRIGHT (C) 1999 - 2020 EDF R&D, CEA/DEN
!* MED is free software: you can redistribute it and/or modify
!* it under the terms of the GNU Lesser General Public License as published by
!* the Free Software Foundation, either version 3 of the License, or
!* (at your option) any later version.
!*
!* MED is distributed in the hope that it will be useful,
!* but WITHOUT ANY WARRANTY; without even the implied warranty of
!* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
!* GNU Lesser General Public License for more details.
!*
!* You should have received a copy of the GNU Lesser General Public License
!* along with MED. If not, see <http://www.gnu.org/licenses/>.
!*
!*
!* Use case 2 read a 2D unstructured mesh with 15 nodes,
!* 8 triangular cells, 4 triangular cells
!* - Computation step : NO
!*
program usescase_medmesh_2
implicit none
include 'med.hf90'
integer cret
integer*8 fid
integer nmesh, it, naxis
character(64) :: mname = "2D unstructured mesh"
character(200) :: desc
character(16) :: dtunit
integer nstep, mdim, sdim, stype, mtype, atype
character(16), dimension(:), allocatable :: aname
character(16), dimension (:), allocatable :: aunit
real*8, dimension(:), allocatable :: ncoord
integer coocha, geotra, nnodes, ntria3, nquad4
integer, dimension(:), allocatable :: tricon
integer, dimension(:), allocatable :: quacon
! open MED file with READ ONLY access mode **
call mfiope(fid,'UsesCase_MEDmesh_1.med',med_acc_rdonly, cret)
if (cret .ne. 0 ) then
print *,'ERROR : open file'
call efexit(-1)
endif
! ... we know that the MED file has only one mesh,
! a real code working would check ...
! read mesh informations : computation space dimension
call mmhnan(fid,mname,naxis,cret)
if (cret .ne. 0 ) then
print *,'Read number of axis in the mesh'
call efexit(-1)
endif
print *,'Number of axis in the mesh = ',naxis
! read mesh informations
allocate ( aname(naxis), aunit(naxis) ,stat=cret )
if (cret > 0) then
print *,'Memory allocation'
call efexit(-1)
endif
call mmhmin(fid, mname, sdim, mdim, mtype, desc, dtunit, stype, nstep, atype, aname, aunit, cret)
if (cret .ne. 0 ) then
print *,'Read mesh informations'
call efexit(-1)
endif
print *,"mesh name =", mname
print *,"space dim =", sdim
print *,"mesh dim =", mdim
print *,"mesh type =", mtype
print *,"mesh description =", desc
print *,"dt unit = ", dtunit
print *,"sorting type =", stype
print *,"number of computing step =", nstep
print *,"coordinates axis type =", atype
print *,"coordinates axis name =", aname
print *,"coordinates axis units =", aunit
deallocate(aname, aunit)
! read how many nodes in the mesh **
call mmhnme(fid,mname,med_no_dt,med_no_it,med_node,med_no_geotype,med_coordinate,med_no_cmode,coocha,geotra,nnodes,cret)
if (cret .ne. 0 ) then
print *,'Read how many nodes in the mesh'
call efexit(-1)
endif
print *,"number of nodes in the mesh =", nnodes
! we know that we only have MED_TRIA3 and MED_QUAD4 in the mesh
! a real code working would check all MED geometry cell types
! read how many triangular cells in the mesh
call mmhnme(fid,mname,med_no_dt,med_no_it,med_cell,med_tria3,med_connectivity,med_nodal,coocha,geotra,ntria3,cret)
if (cret .ne. 0 ) then
print *,'Read how many nodes in the mesh'
call efexit(-1)
endif
print *,"number of triangular cells in the mesh =", ntria3
! read how many quadrangular cells in the mesh
call mmhnme(fid,mname,med_no_dt,med_no_it,med_cell,med_quad4,med_connectivity,med_nodal,coocha,geotra,nquad4,cret)
if (cret .ne. 0 ) then
print *,'Read how many nodes in the mesh'
call efexit(-1)
endif
print *,"number of quadrangular cells in the mesh =", nquad4
! read mesh nodes coordinates
allocate (ncoord(nnodes*2),stat=cret)
if (cret > 0) then
print *,'Memory allocation'
call efexit(-1)
endif
call mmhcor(fid,mname,med_no_dt,med_no_it,med_full_interlace,ncoord,cret)
if (cret .ne. 0 ) then
print *,'Nodes coordinates'
call efexit(-1)
endif
print *,"Nodes coordinates =", ncoord
deallocate(ncoord)
! read cells connectivity in the mesh
allocate ( tricon(ntria3 * 3) ,stat=cret )
if (cret > 0) then
print *,'Memory allocation'
call efexit(-1)
endif
call mmhcyr(fid,mname,med_no_dt,med_no_it,med_cell,med_tria3,med_nodal,med_full_interlace,tricon,cret)
if (cret .ne. 0 ) then
print *,'MED_TRIA3 connectivity'
call efexit(-1)
endif
print *,"MED_TRIA3 connectivity =", tricon
deallocate(tricon)
allocate ( quacon(nquad4*4) ,stat=cret )
if (cret > 0) then
print *,'Memory allocation'
call efexit(-1)
endif
call mmhcyr(fid,mname,med_no_dt,med_no_it,med_cell,med_quad4,med_nodal,med_full_interlace,quacon,cret)
if (cret .ne. 0 ) then
print *,'MED_QUAD4 connectivity'
call efexit(-1)
endif
print *,"MED_QUAD4 connectivity =", quacon
deallocate(quacon)
! we know that the family number of nodes and elements is 0, a real working would check ...
! close file **
call mficlo(fid,cret)
if (cret .ne. 0 ) then
print *,'ERROR : close file'
call efexit(-1)
endif
end program usescase_medmesh_2
usescase_medmesh_2
program usescase_medmesh_2
Definition UsesCase_MEDmesh_2.f90:24
mfiope
subroutine mfiope(fid, name, access, cret)
Definition medfile.f:42
mficlo
subroutine mficlo(fid, cret)
Definition medfile.f:82
mmhcor
subroutine mmhcor(fid, name, numdt, numit, swm, coo, cret)
Definition medmesh.f:320
mmhmin
subroutine mmhmin(fid, name, sdim, mdim, mtype, desc, dtunit, stype, nstep, atype, aname, aunit, cret)
Definition medmesh.f:130
mmhnme
subroutine mmhnme(fid, name, numdt, numit, entype, geotype, datype, cmode, chgt, tsf, n, cret)
Definition medmesh.f:551
mmhnan
subroutine mmhnan(fid, name, naxis, cret)
Definition medmesh.f:86
mmhcyr
subroutine mmhcyr(fid, name, numdt, numit, entype, geotype, cmode, swm, con, cret)
Definition medmesh.f:600