114 lines
5.3 KiB
Python
114 lines
5.3 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2017 - Bernd Hahnebach <bernd@bimstatik.org> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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__title__ = "FreeCAD FEM import tools"
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__author__ = "Bernd Hahnebach"
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__url__ = "http://www.freecadweb.org"
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## @package importToolsFem
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# \ingroup FEM
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# \brief FreeCAD FEM import tools
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import FreeCAD
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def make_femmesh(mesh_data):
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''' makes an FreeCAD FEM Mesh object from FEM Mesh data
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'''
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import Fem
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mesh = Fem.FemMesh()
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m = mesh_data
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if ('Nodes' in m) and (len(m['Nodes']) > 0):
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print("Found: nodes")
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if (('Seg2Elem' in m) or
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('Tria3Elem' in m) or
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('Tria6Elem' in m) or
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('Quad4Elem' in m) or
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('Quad8Elem' in m) or
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('Tetra4Elem' in m) or
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('Tetra10Elem' in m) or
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('Penta6Elem' in m) or
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('Penta15Elem' in m) or
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('Hexa8Elem' in m) or
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('Hexa20Elem' in m)):
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nds = m['Nodes']
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print("Found: elements")
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for i in nds:
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n = nds[i]
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mesh.addNode(n[0], n[1], n[2], i)
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elms_hexa8 = m['Hexa8Elem']
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for i in elms_hexa8:
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e = elms_hexa8[i]
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mesh.addVolume([e[0], e[1], e[2], e[3], e[4], e[5], e[6], e[7]], i)
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elms_penta6 = m['Penta6Elem']
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for i in elms_penta6:
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e = elms_penta6[i]
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mesh.addVolume([e[0], e[1], e[2], e[3], e[4], e[5]], i)
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elms_tetra4 = m['Tetra4Elem']
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for i in elms_tetra4:
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e = elms_tetra4[i]
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mesh.addVolume([e[0], e[1], e[2], e[3]], i)
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elms_tetra10 = m['Tetra10Elem']
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for i in elms_tetra10:
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e = elms_tetra10[i]
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mesh.addVolume([e[0], e[1], e[2], e[3], e[4], e[5], e[6], e[7], e[8], e[9]], i)
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elms_penta15 = m['Penta15Elem']
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for i in elms_penta15:
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e = elms_penta15[i]
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mesh.addVolume([e[0], e[1], e[2], e[3], e[4], e[5], e[6], e[7], e[8], e[9],
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e[10], e[11], e[12], e[13], e[14]], i)
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elms_hexa20 = m['Hexa20Elem']
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for i in elms_hexa20:
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e = elms_hexa20[i]
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mesh.addVolume([e[0], e[1], e[2], e[3], e[4], e[5], e[6], e[7], e[8], e[9],
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e[10], e[11], e[12], e[13], e[14], e[15], e[16], e[17], e[18], e[19]], i)
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elms_tria3 = m['Tria3Elem']
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for i in elms_tria3:
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e = elms_tria3[i]
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mesh.addFace([e[0], e[1], e[2]], i)
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elms_tria6 = m['Tria6Elem']
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for i in elms_tria6:
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e = elms_tria6[i]
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mesh.addFace([e[0], e[1], e[2], e[3], e[4], e[5]], i)
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elms_quad4 = m['Quad4Elem']
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for i in elms_quad4:
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e = elms_quad4[i]
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mesh.addFace([e[0], e[1], e[2], e[3]], i)
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elms_quad8 = m['Quad8Elem']
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for i in elms_quad8:
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e = elms_quad8[i]
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mesh.addFace([e[0], e[1], e[2], e[3], e[4], e[5], e[6], e[7]], i)
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elms_seg2 = m['Seg2Elem']
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for i in elms_seg2:
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e = elms_seg2[i]
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mesh.addEdge(e[0], e[1])
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print("imported mesh: {} nodes, {} HEXA8, {} PENTA6, {} TETRA4, {} TETRA10, {} PENTA15".format(
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len(nds), len(elms_hexa8), len(elms_penta6), len(elms_tetra4), len(elms_tetra10), len(elms_penta15)))
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print("imported mesh: {} HEXA20, {} TRIA3, {} TRIA6, {} QUAD4, {} QUAD8, {} SEG2".format(
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len(elms_hexa20), len(elms_tria3), len(elms_tria6), len(elms_quad4), len(elms_quad8), len(elms_seg2)))
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else:
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FreeCAD.Console.PrintError("No Elements found!\n")
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else:
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FreeCAD.Console.PrintError("No Nodes found!\n")
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return mesh
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