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Coupling different physics in two different domains

Posted 4 ott 2011, 21:56 GMT-4 0 Replies

Santhosh Reddy
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I am having hard time in setting the continuity condition at the boundary between two domains.

Example:

I am trying to do this example
www.comsol.com/showroom/gallery/170/
in comsol 4.2.

I chose laminar flow in free domain and chose brinkman mode in the porous domain. I do not understand how to specify continuity at the internal boundary!.

From comsol user guide, I understand that automatic continuity condition applies only when laminar flow is active in both the domains. If I set laminar flow as inactive, the inner boundary default to wall and I could not change it.

Can somebody help me how to do this?

Thanks.
0 Replies Last Post 4 ott 2011, 21:56 GMT-4
COMSOL Moderator

Hello Santhosh Reddy

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