Hi Jun, It seems that your last volume definition is wrong. Attached is a file where the volume is defined interactively - does it work?
Christophe
pipe2.geo
Description: Binary data
> On 29 Aug 2016, at 21:22, Junhui Liu <[email protected]> wrote: > > Hi All, > > I am generating structured tetra meshes (without the final recombine) inside > and outside a pipe. Please see the attache plot. Using structured tetra > meshes outside the pipe is to control the time step size. There are three > regions generated. Two are structured tetra meshes and another one is the > regular unstructured tetra mesh. Somehow our internal code complains that > "Boundary face construction failed with: xxx faces remaining”. if I use a > version that does not care about boundary construction, It appears that the > results of the cylindrical surface pointed by blue arrows behave very > strangely and look like those of a boundary face. If I take region III away, > the problem disappears. I have also attached the pipe.geo file. > > I have to say GMSH has lots of functionalities to control mesh and I really > like it. I hope this problem can be resolved soon. Thanks a lot for your help. > > Jun > <pipe.geo> > > <mesh_topology.pdf> > > _______________________________________________ > gmsh mailing list > [email protected] > http://onelab.info/mailman/listinfo/gmsh -- 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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