1 # -*- coding: latin-1 -*-
2 # Copyright (C) 2009-2013 CEA/DEN, EDF R&D
4 # This library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License.
9 # This library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with this library; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 # Francis KLOSS : 2011-2013 : CEA-Saclay, DEN, DM2S, SFME, LGLS, F-91191 Gif-sur-Yvette, France
22 # =============================================================================================
29 # Construire le modele de bloc
30 # ============================
32 doc = hexablock.addDocument("bielle")
34 # Construire les 2 grilles cylindriques : petite = 1, grande = 2
40 center1 = doc.addVertex(-0.107, 0, -hauteur/2)
41 center2 = doc.addVertex( 0.119, 0, -hauteur/2)
47 vx1 = doc.addVector(math.cos(angle1), math.sin(angle1), 0)
48 vx2 = doc.addVector(1, 0, 0)
49 vz = doc.addVector(0, 0, 1)
51 grille_p = doc.makeCylinderUni (center1, vx1, vz, rint1, rext1, letour, hauteur, 1, 3, 1)
53 grille_g = doc.makeCylinderUni (center2, vx2, vz, rint2, rext2, letour, hauteur, 1, 3, 1)
56 # Relier les 2 grilles
57 # --------------------
59 quad_p = grille_p.getQuadJK(1, 2, 0)
60 quad_g = grille_g.getQuadJK(1, 1, 0)
62 point_p1 = grille_p.getVertexIJK(1, 0, 0)
63 point_p2 = grille_p.getVertexIJK(1, 2, 0)
65 point_g1 = grille_g.getVertexIJK(1, 1, 0)
66 point_g2 = grille_g.getVertexIJK(1, 2, 0)
68 prisme = doc.joinQuadUni (quad_p, quad_g, point_p1, point_g1, point_p2, point_g2, 3)
70 # Charger la geometrie
71 # ====================
73 bielle = geompy.ImportSTEP("bielle.stp")
75 # Selectionner des sous-parties de la geometrie
76 # ---------------------------------------------
78 sommets = geompy.SubShapeAllSortedCentres (bielle, geompy.ShapeType["VERTEX"])
79 nodes_id = geompy.SubShapeAllSortedCentresIDs (bielle, geompy.ShapeType["VERTEX"])
80 ## 0 1 2 3 4 5 6 7 8 9
81 ## 23, 70, 15, 52, 17, 57, 13, 47, 19, 62,
82 ## 11, 42, 6, 30, 9, 37, 7, 32, 26, 75]
84 sommets_petit = [ 6, 8, 7, 9 ]
85 sommets_grand = [ 10, 12, 11, 13 ]
86 node_little_subid = [ 13, 19, 47, 62 ]
87 node_big_subid = [ 11, 6, 42, 30 ]
89 aretes = geompy.SubShapeAllSortedCentres (bielle, geompy.ShapeType["EDGE"])
90 edge_id = geompy.SubShapeAllSortedCentresIDs (bielle, geompy.ShapeType["EDGE"])
91 ## 0 1 2 3 4 5 6 7 8 9
92 ## 16, 56, 22, 71, 69, 53, 58, 14, 51, 18,
93 ## 61, 48, 63, 12, 46, 20, 66, 43, 29, 10,
94 ## 41, 5, 31, 38, 33, 25, 76, 8, 36, 74
97 aretes_petit = [ 7, 9, 8, 10 ]
98 aretes_grand = [ 19, 21, 20, 22 ]
99 arc_little_subid = [ 14, 18, 51, 61 ]
100 arc_big_subid = [ 10, 5, 41, 31 ]
126 # Associer le modele de bloc avec la geometrie
127 # ============================================
129 geometry = hexablock.addShape (doc, bielle, "bielle")
132 # Nettoyer les associations implicites du document
133 # ------------------------------------------------
135 doc.clearAssociation()
137 # Associer les cercles exterieurs
138 # -------------------------------
140 def cercle(grille, k, subid, p):
141 ms = grille.getVertexIJK(0, 0, k)
143 ma1 = grille.getEdgeJ (0, 2, k)
144 ma2 = grille.getEdgeJ (0, 1, k)
145 ma3 = grille.getEdgeJ (0, 0, k)
146 tedges = [ma1, ma2, ma3 ]
149 doc.associateClosedLine (ms, tedges, tgeom, [subid], p, False)
151 cercle (grille_p, 0, subid_pbe, 5.0/6)
152 cercle (grille_p, 1, subid_phe, 5.0/6)
154 cercle (grille_g, 0, subid_gbe, 0)
155 cercle (grille_g, 1, subid_ghe, 0)
157 # Associer les arcs exterieurs (excentres)
158 # ----------------------------------------
160 def arc(grille, i1, i2, k, subid):
161 ma1 = grille.getEdgeJ(1, i1, k)
162 ma2 = grille.getEdgeJ(1, i2, k)
163 doc.associateOpenedLine ([ma1, ma2 ], [geometry], [subid], 0, 1)
165 arc(grille_p, 1, 0, 0, subid_pbcd)
166 arc(grille_p, 1, 0, 1, subid_phcd)
168 arc(grille_g, 0, 2, 0, subid_gbcd)
169 arc(grille_g, 0, 2, 1, subid_ghcd)
171 # Associer les sommets des arcs de cercle de raccord
172 # --------------------------------------------------
174 hm = prisme.getHexa(1)
175 for i in xrange(0, 4):
177 subid = node_little_subid [i]
178 vm.setAssociation (geometry, subid)
180 hm = prisme.getHexa(2)
181 for i in xrange(0, 4):
183 subid = node_big_subid [i]
184 vm.setAssociation (geometry, subid)
186 # Associer les arcs de cercle de raccord
187 # --------------------------------------
189 hm = prisme.getHexa(0)
190 for i in xrange(0, 4):
192 subid = arc_little_subid [i]
193 em.addAssociation (geometry, subid, 0, 1)
195 hm = prisme.getHexa(2)
196 for i in xrange(0, 4):
198 subid = arc_big_subid [i]
199 em.addAssociation (geometry, subid, 0, 1)
201 # Arrondir des associations implicites cylindriques
202 # -------------------------------------------------
205 for h, i, ech in [ [0, 0, 0.95], [0, 1, 0.95], [2, 2, 0.85], [2, 3, 0.85] ]:
206 hm = prisme.getHexa(h)
212 vax = v1.getAssoX ();
213 vay = v1.getAssoY ();
214 vaz = v1.getAssoZ ();
216 vbx = v2.getAssoX ();
217 vby = v2.getAssoY ();
218 vbz = v2.getAssoZ ();
220 vmx = ( vax + vbx ) / 2.0 * ech
221 vmy = ( vay + vby ) / 2.0
222 vmz = ( vaz + vbz ) / 2.0
224 va = geompy.MakeVertex(vax, vay, vaz)
225 vb = geompy.MakeVertex(vbx, vby, vbz)
226 vm = geompy.MakeVertex(vmx, vmy, vmz)
227 eg = geompy.MakeArc(va, vm, vb)
230 arc = geompy.MakeCompound(larc)
231 shape = hexablock.addShape (doc, arc, "arc")
233 # Mailler le modele de bloc
234 for h, i in [ [0, 0], [0, 1], [2, 2], [2, 3] ]:
235 hm = prisme.getHexa(h)
238 em.clearAssociation()
240 em.addAssociation (shape, shape_subid, 0.0, 1.0)
242 # Mailler le modele de bloc
243 # =========================
245 # Definir 5 groupes de faces
246 # --------------------------
248 groupe_petit = doc.addQuadGroup("Petit")
249 groupe_grand = doc.addQuadGroup("Grand")
250 groupe_bas = doc.addQuadGroup("Bas")
251 groupe_haut = doc.addQuadGroup("Haut")
252 groupe_contour = doc.addQuadGroup("Contour")
254 # Constituer les groupes petit et grand
255 # -------------------------------------
258 groupe_petit.addElement( grille_p.getQuadJK(0, i, 0) )
259 groupe_grand.addElement( grille_g.getQuadJK(0, i, 0) )
261 # Constituer les groupes bas et haut
262 # ----------------------------------
265 groupe_bas.addElement( grille_p.getQuadIJ(0, i, 0) )
266 groupe_bas.addElement( grille_g.getQuadIJ(0, i, 0) )
268 groupe_haut.addElement( grille_p.getQuadIJ(0, i, 1) )
269 groupe_haut.addElement( grille_g.getQuadIJ(0, i, 1) )
272 h = prisme.getHexa(i)
274 groupe_bas.addElement( h.getQuad(2) )
275 groupe_haut.addElement( h.getQuad(3) )
277 # Constituer le groupe contour
278 # ----------------------------
281 groupe_contour.addElement( grille_p.getQuadJK(1, i, 0) )
284 groupe_contour.addElement( grille_g.getQuadJK(1, i, 0) )
287 h = prisme.getHexa(i)
289 groupe_contour.addElement( h.getQuad(4) )
290 groupe_contour.addElement( h.getQuad(5) )
292 # Definir 3 groupes de volumes
293 # ----------------------------
295 groupe_petit = doc.addHexaGroup("Petit")
296 groupe_grand = doc.addHexaGroup("Grand")
297 groupe_prisme = doc.addHexaGroup("Prisme")
300 groupe_petit.addElement( grille_p.getHexa(i) )
301 groupe_grand.addElement( grille_g.getHexa(i) )
304 groupe_prisme.addElement( prisme.getHexa(i) )
306 # Mailler le modele de bloc avec association
307 # ------------------------------------------
309 doc.addLaws (0.003, True)
311 law = doc.addLaw("Uniform", 4)
313 for j in range(doc.countPropagation()):
314 propa = doc.getPropagation(j)
317 doc.save("bielle_v5")
318 doc.setName("bielle_v5")
319 hexablock.addToStudy(doc)
321 blocs = hexablock.mesh(doc)
323 muv, mue, muq, muh = hexablock.dump(doc, blocs)