Martin,
Not sure if you have seen the previous posts recently, but I have a very
similar problem to yours. The mesh you would like to generate is an
"anisotropic unstructured grid". I haven't yet found a solid way for it
in gmsh. Hopefully someone will comment on this.
Hanieh
On 1/11/2012 5:40 AM, Martin Meyer wrote:
Hi Ruth,
thanks for that, this works fine as I expected. However it would be
better if the values I declare for the step sizes in x and z direction
could be more like "guidelines" for gmsh, so that the resulting mesh
is not a regular, structured one as the mesh that is created by your
script. I don't know if it's possible for example to shift each of the
calculated internal nodes, by adding or subtracting some random number
to/from the coordinates (the random number in each direction could for
example be 10% of the suggested "guideline" step size)?
Regards,
Martin
Zitat von "Ruth V. Sabariego" <[email protected]>:
Try this:
a = 100 ;
lc1 = 10 ;
lc2 = 1 ;
Point(1) = {0,0,0,lc1};
Point(2) = {a,0,0,lc1};
Line(1) = {1,2};
Extrude {0, a, 0} {
Line{1}; Layers{a/lc2};
}
Regards,
Ruth
--
Dr. Ir. Ruth V. Sabariego
University of Liege, Electrical Engineering & Computer Science,
Applied & Computational Electromagnetics (ACE),
phone: +32-4-3663737 - fax: +32-4-3662910 -
http://ace.montefiore.ulg.ac.be/
On 10 Jan 2012, at 13:48, Martin Meyer wrote:
Hi,
I'm pretty new to gmsh, and so far I haven't succeeded in creating
a mesh with different element sizes in different spatial directions
(for instance a 100m*100m square with average element sizes of 10m
in x direction and 1m in y direction).
Is this possible, and if so, can you show me how to do that (either
script or GUI)?
Thanks in advance for your thoughts,
Martin
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