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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 The information provided may be out of date.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 generation failed

Posted 12.04.2012, 05:04 GMT-4 Low-Frequency Electromagnetics Version 4.3 1 Reply

Sin Kim
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Hi all,

I am trying to mesh a cylinder wrapped with a helix (3D geometry) but when I try to generate the free tetrahedral mesh for this geometry the comsol 4.2 always reports error and cannot generate the mesh for this geometry. From certain published results that have utilized the same geometry I came to know that the helix has a point contact with the cylinder in 2D and it has a line contact in 3D with the cylinder and hence the volume mesh cannot be generated, therefore blending between the helix and cylinder is necessary in order to have a good volume mesh. Does any body knows how to use the blending feature in comsol 4.2 or how to generate the mesh for this geometry.

Thanks in advance
1 Reply Last Post 24.07.2012, 15:51 GMT-4
COMSOL Moderator

Hello Sin Kim

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If you do not hold an on-subscription license, you may find an answer in another Discussion or in the Knowledge Base.

Blaise Cole
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Posted: 1 decade ago 24.07.2012, 15:51 GMT-4
I am having the same problem as well. It works fine as long as there is a small distance between the cylinder and the helix but not when they are in contact. I havent found a way around this problem yet either.
I am having the same problem as well. It works fine as long as there is a small distance between the cylinder and the helix but not when they are in contact. I havent found a way around this problem yet either.

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