# solid conduction problem bc's

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 March 1, 2009, 10:58 solid conduction problem bc's #1 phiz Guest   Posts: n/a Sponsored Links Hi everybody, I'm solving a pure solid conduction 3D problem. In 2D I've learned that one should make the surface between 2 different materials as interior, however for some reason in 3D this does not work, as Fluent states that there's "only one adjacent cell thread". Does anybody have a solution for this? I don't want wall bc's because I want Fluent to calculate the temperature itself (the outside faces of the model have wall bc's). Thanks in advance.

 March 1, 2009, 11:53 Re: solid conduction problem bc's #2 Ralf Schmidt Guest   Posts: n/a

 March 1, 2009, 12:42 Re: solid conduction problem bc's #3 phiz Guest   Posts: n/a Thanks Ralf! However, does patching imply that other boundary conditions will be overruled?

 March 2, 2009, 08:49 Re: solid conduction problem bc's #4 Ralf Schmidt Guest   Posts: n/a Hi! the BC at the boundaries to the solid are as they were. I don't know about the BCs of the solid itself... I guess, they will be conserved - as long as it is not a fixed temperature BC Ralf

 March 2, 2009, 17:28 Re: solid conduction problem bc's #5 phiz Guest   Posts: n/a ah it was a fixed temperature BC however I solved the problem already, I seperated all necessary faces and remeshed, this way I can set the walls to interior... hard work but it paid off tnx anyway

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