On 09/05/11 12:00, [email protected] wrote:
Dear all,
I have recently started using Gmsh and I’ve bumped into the following
problem. I hope there is someone who can help me sort it out.
As far as I know, the usual way of generating 2^nd order tetrahedral
elements is to add a new degree of freedom in the middle of every edge
of a 1^st order element. From what I see, in the case of the 2^nd order
meshes generated using Gmsh, these middle nodes are moved from their
default location, e.g. in order to better approximate a curved boundary.
I know this is a good feature, but the FEM solver that I am using does
not support such elements.
Is there a way to turn this feature off? What I mean is, is there a way
to generate “usual” meshes, with the middle nodes positioned exactly in
the middle of the edges?
Hi Serban - Yes: just add "Mesh.SecondOrderLinear=1;" in your script file.
Thanks!
Serban
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University of Liege, Electrical Engineering and Computer Science
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