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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 The information provided may be out of date.

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Projection coupling in Comsol 4

Posted 09.06.2010, 10:30 GMT-4 Low-Frequency Electromagnetics Version 4.0 2 Replies

Danial Tz
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Yet with another how-to-use on Comsol 4.

Similiar to Comsol 3 I tried to use a projection coupling variable to project a "u" from boundary A to "u" on boundary B.

Model: www.gliffy.com/pubdoc/2140940/L.png

Here I want to project "u" from the inner circle to the outer one, so I can use "u" on the outer boundary. In Comsol3 all I needed to do was to add 3 red vertices as source and 3 blue ones as destination. But, in Comsol 4 it doesn't work that way. It always says illegal vertices. Help file is not enough at all to solve it on my own.
2 Replies Last Post 11.08.2011, 12:56 GMT-4
Danial Tz
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Posted: 1 decade ago 09.06.2010, 16:35 GMT-4
Oops! It should have been extrusion variable, and yes, that was the source of confusion :) problem solved.
Oops! It should have been extrusion variable, and yes, that was the source of confusion :) problem solved.
Leanne Nixon
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Posted: 1 decade ago 11.08.2011, 12:56 GMT-4
I'm having the same issue with the error "illegal vertex selection". Would you be able to explain what you did in a little more detail to get around this issue?

Thanks,

Leanne
I'm having the same issue with the error "illegal vertex selection". Would you be able to explain what you did in a little more detail to get around this issue? Thanks, Leanne

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