Dear all,I have two model formed by quad elements, this model is an ansys model originally that I would like to do some partitioning on the mesh structure and export some related system matrices from the Ansys binary files. However there is sth strange(or I do sth strange.), the original mesh file written out of Ansys is 'model.msh' and the partitioned mesh file is given 'modelParts.msh' in the attachments. In the partitioned mesh file there are some line elements that are not in the original mesh file. I could first not understand this fact, this is the question #1.
The second question is that the element numbering in the partitioned mesh has also changed which I would like that to be changed, am missing sth about the partitioning theory(on which I am not good at). Can someone clarify this issue for me. You can also try to partition the 'model.msh' to see the output of the operation yourself.
I do some kind of a special operation to make the mesh in Ansys and Gmsh the same(in ordering sense), because elements are reordered in Ansys and the native order should be kept. So looking at the 'model.msh' file, the elements are not written in the usual indexing as from 1 to nelm, but with a mixed order, so is this the source of the change in the partitioned output? I am confused at this point.
P.s. I used Chaco Multilevel-K with 3 partitions. Best, Umut
model.msh
Description: Mesh model
modelParts.msh
Description: Mesh model
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