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Importing Mesh from Mesh Generating Software

Posted 11.09.2012, 13:13 GMT-4 3 Replies

Erik Shipton
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For more complicated geometries I usually have trouble getting COMSOL to mesh my geometry. I was wondering if anyone has had any luck importing a mesh generated from another program. If so what package did you use to generate the mesh? What problems arose when COMSOL tried to solve on the imported mesh?
Thanks
Erik
3 Replies Last Post 15.09.2012, 05:25 GMT-4
Jaap Verheggen
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Posted: 1 decade ago 12.09.2012, 06:51 GMT-4
I have no experience with importing to Comsol, but from experience with other software packages: stay away.

I would estimate the likelihood of everything going as you want to be very low.

You will probably spend more time importing a mesh than it would take to mesh it in Comsol.

When you have complicated structures, meshing is very important, using an automatic mesh might increase computation time greatly.
I have no experience with importing to Comsol, but from experience with other software packages: stay away. I would estimate the likelihood of everything going as you want to be very low. You will probably spend more time importing a mesh than it would take to mesh it in Comsol. When you have complicated structures, meshing is very important, using an automatic mesh might increase computation time greatly.
Erik Shipton
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Posted: 1 decade ago 13.09.2012, 12:18 GMT-4
Thanks for the reply. I was told that Cubit meshing software from Sandia National Lab was very powerful and often provided better mesh than built in meshers for many FEM packages(HFSS, COMSOL, etc.). I thought I'd bounce the idea of mesh imports off the experts here before I invest too much time. I appreciate your insight.

Erik
Thanks for the reply. I was told that Cubit meshing software from Sandia National Lab was very powerful and often provided better mesh than built in meshers for many FEM packages(HFSS, COMSOL, etc.). I thought I'd bounce the idea of mesh imports off the experts here before I invest too much time. I appreciate your insight. Erik
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 15.09.2012, 05:25 GMT-4
Hi

but have you fully understood the COMSOL approach, with physics on the domains and boundaries (not on the mesh) ?

So with imported mesh, how do you map back your mesh to domains and boundaries ?

--
Good luck
Ivar
Hi but have you fully understood the COMSOL approach, with physics on the domains and boundaries (not on the mesh) ? So with imported mesh, how do you map back your mesh to domains and boundaries ? -- Good luck Ivar

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