Here's a .geo script that works (it removes the overlapping entities using "fragments"):
airdomain_ok.geo
Description: Binary data
> On 7 Jul 2017, at 14:10, Jacob Abdelfatah Ndioubnane <[email protected]> > wrote: > > Hi gmsh community; > > I´m trying to define a 3d mesh of a merged .brep surfaces for my PhD, to use > it into freefem++.When I set opencascade geometry kernel, at the first line , > surface loop creates duplicates entities, and the subsequent volume is > defined with this entities. However, the 3d mesh is seems to be correct, but > the 2d mesh has overlapping faces, and when import this into freefem I got > errors. > > http://onelab.info/pipermail/gmsh/2014/009368.html > > If I don´t use the opencascade kernel, The 2d mesh was made properly, however > when apply the 3d mesh button, gmsh gives the error ". > Info : Meshing 3D... > Info : Delaunay Meshing 1 volumes with 1 connected components > Info : Meshing volume 1 (Delaunay) > Info : 3209 points 15963 edges and 6592 faces in the initial mesh > Info : Found region 1 > Info : 0 points created - Worst tet radius is 7.55082e+16 (PTS removed 0 0) > Info : 0 points created - Worst tet radius is 8.91669 (PTS removed 0 500) > Info : 0 points created - Worst tet radius is 4.28138 (PTS removed 0 1000) > Info : 0 points created - Worst tet radius is 2.71306 (PTS removed 0 1500) > Info : 0 points created - Worst tet radius is 2.03135 (PTS removed 0 2000) > Info : 0 points created - Worst tet radius is 1.60219 (PTS removed 0 2500) > Info : 0 points created - Worst tet radius is 1.32663 (PTS removed 0 3000) > Info : 0 points created - Worst tet radius is 1.14246 (PTS removed 3 3497) > Info : 3D point insertion terminated (3209 points created): > Info : - 0 Delaunay cavities modified for star shapeness > Info : - 3973 points could not be inserted > Info : - 9413 tetrahedra created in 0.09375 sec. (100405 tets/sec.) > Info : Done meshing 3D (0.515625 s) > Error : OCC Project Point on Surface FAIL > Info : point 4.156 9.4 8.16 : Relaxation factor = 0.75 > Info : point 4.156 9.4 8.16 : Relaxation factor = 0.5625 > Info : point 4.156 9.4 8.16 : Relaxation factor = 0.421875 > Info : point 4.156 9.4 8.16 : Relaxation factor = 0.316406 > Info : point 4.156 9.4 8.16 : Relaxation factor = 0.237305 > Info : point 4.156 9.4 8.16 : Relaxation factor = 0.177979 > Info : point 4.156 9.4 8.16 : Relaxation factor = 0.133484 > Info : point 4.156 9.4 8.16 : Relaxation factor = 0.100113 > > > > When I apply the Coherence Mesh; I got the error "No tethraedra in region > 10". > > Thank you all in advance. > > Best Regards > Jacob > > > <air contours.brep><alerones.brep><caras laterales pilares soporte techo > patio central.brep><columnas y techo patio lateral.brep><cubierta > exterior.brep><espesor vidrio patio lateral.brep><fachadas > exteriores.brep><pared saliente patio.brep><paredes externas del muro de > cristal del patio central.brep><paredes interiores patio > lateral.brep><paredes interiores vidrio patio central.brep><saliente exterior > patio central.brep><suelo externo y bordillos.brep><suelo > interior.brep><suelo patio lateral.brep><techo interior.brep><techo patio > central.brep><topes muro patio central.brep><ventanas y > marcos.brep><airdomain5.geo><paredes interiores.brep> -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine Free software: http://gmsh.info | http://getdp.info | http://onelab.info
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