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Forum: CFX

May 9, 2013, 18:16

Replies: 15

Heat Transfer Solid to Fluid [CFX]

Views: 9,316

Posted By oj.bulmer

The message was, that you can use steady state...

The message was, that you can use steady state simulation and Boussinesq model wherein the density is constant in all equations except the buoyant term in momentum equation, where it is taken as a...

Forum: CFX

May 9, 2013, 06:55

Replies: 15

Heat Transfer Solid to Fluid [CFX]

Views: 9,316

Posted By oj.bulmer

Boussinesq model kicks in automatically (I think)...

Boussinesq model kicks in automatically (I think) with gravity. The other way is to run the natural convection as a transient simulation and let the Solver calculate the density. But obviously this...

Forum: CFX

May 8, 2013, 14:03

Replies: 15

Heat Transfer Solid to Fluid [CFX]

Views: 9,316

Posted By oj.bulmer

I think you haven't specified your heat source...

I think you haven't specified your heat source properly. Double check that. .

Also, is gravity switched on? I suppose if you have, and since the solution is steady, you are using Boussinesq's...

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