Hi again,
I have got it to work, but I still don't understand why. It seems that the
fields in MathEvalAniso have to be 1/(mesh_width)^2. But why?
I have read the relevant part of the gmsh manual, but didn't find the answer
there.
A short explanation and/or a pointer to more info would be highly appreciated.
Matthias
_____________________________________________
Von: Zenker, Dr. Matthias
Gesendet: Mittwoch, 10. Juli 2013 17:09
An: [email protected]
Cc: Christophe Geuzaine [[email protected]] ([email protected])
Betreff: Anisiotropic mesh in stacked layers
Hi,
I want to mesh a geometry with layers stacked in z direction, where each
layer should have a mesh width in the xy plane, and a different one in z
direction. I have tried to combine the Box, Min and MathEval Aniso fields to
achieve this (see attachment). But the mesh widths are not as I expect, in
particular in layer 2 in z direction it should be 1/20 its height. What do I do
wrong?
How is the mesh width derived from the m11, m22 and m33 fields in
MathEvalAniso?
Thanks for some explanations and hints,
Matthias
< Datei: layers.geo >>
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