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How to set boundaries as continuity ?

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I want set the boundary as a continuity but I don't know how?
I know that in Comsol by default the boundaries are define as continuity and it follow this equation: n.j=0
but I want change it to n(j1- j2)=0 (i want the boundary between two domain will be as continuity like n(j1-j2)=0)
how I can do this?

Any help would be appreciated.

2 Replies Last Post 2013年5月4日 GMT-4 07:02
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)

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Posted: 1 decade ago 2013年5月1日 GMT-4 06:35
Hi

use the geometry assembly mode to define your own contact or continuity equation on common adjacent domain boundaries (that have not been previously grouped by an explicit Union node) check the doc

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Good luck
Ivar
Hi use the geometry assembly mode to define your own contact or continuity equation on common adjacent domain boundaries (that have not been previously grouped by an explicit Union node) check the doc -- Good luck Ivar

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Posted: 1 decade ago 2013年5月4日 GMT-4 07:02
Thanks dear Ivar for your reply

Hadi
Thanks dear Ivar for your reply Hadi

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