Christophe, Thanks a lot. It appears the duplicated physical surfaces did cause the problem. But this pipe.geo is a very simplified version of the real one. I do need to check the consistency of that more complicated geo file.
Thanks again. Jun > On Aug 29, 2016, at 5:13 PM, [email protected] wrote: > > > >> On 29 Aug 2016, at 22:57, Junhui Liu <[email protected]> wrote: >> >> Hi Christophe, >> >> Thanks a lot. But I got the same error when I used the geo file you >> modified. Still complains about the "Boundary face construction failed with: >> xxx faces remaining”. > > Not sure what this means... The mesh seems ok. Does the definition of your > physical surfaces influence this? (You have 2 physicals for the same parts) > > >> >> Jun >>> On Aug 29, 2016, at 4:38 PM, Christophe Geuzaine <[email protected]> >>> wrote: >>> >>> >>> 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> >>> >>>> 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 >> _______________________________________________ gmsh mailing list [email protected] http://onelab.info/mailman/listinfo/gmsh
