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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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mesh import from ANSYS Fluent to COMSOL

Posted 10.04.2011, 13:18 GMT-4 Fluid & Heat, General, Computational Fluid Dynamics (CFD) Version 3.5a 1 Reply

Amer Malik
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i want to import .msh mesh file to comsol, but it seems i can only import .mphtxt and .mphbin,
any suggestions.
1 Reply Last Post 10.04.2011, 17:43 GMT-4
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 10.04.2011, 17:43 GMT-4
Hi

if you check the doc you will see that you can only import a NASTRAN neutral file format.
But anyhow, what to do with a mesh ?

You connect the physics to Geometrical Entities in COMSOL, and the meshing comes thereafter, it gets its "properties by inherence, this is a fundamental difference between classical (or olders) FEM programmes and the COMSOL approach

You need to transform the mesh to higher order geometrical entities (which is partially done in 3.5 on some simple Nastran neutral file type meshes)

--
Good luck
Ivar
Hi if you check the doc you will see that you can only import a NASTRAN neutral file format. But anyhow, what to do with a mesh ? You connect the physics to Geometrical Entities in COMSOL, and the meshing comes thereafter, it gets its "properties by inherence, this is a fundamental difference between classical (or olders) FEM programmes and the COMSOL approach You need to transform the mesh to higher order geometrical entities (which is partially done in 3.5 on some simple Nastran neutral file type meshes) -- Good luck Ivar

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