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Forum: FLUENT

July 4, 2012, 14:01

Replies: 6

Natural convection (Convergence)

Views: 1,902

Posted By flotus1

The Ogrid creates the prism layers, the mesh...

The Ogrid creates the prism layers, the mesh looks ok.
Although it could be refined close to the solid wall and coarsened further away, but this is not likely cause the convergence problems.

If...

Forum: FLUENT

July 4, 2012, 10:21

Replies: 6

Natural convection (Convergence)

Views: 1,902

Posted By flotus1

Did you use any prism layers for the mesh around...

Did you use any prism layers for the mesh around the solid walls?
These are crucial to achieve convergence especially when heat transfer is involved.

Forum: FLUENT

July 4, 2012, 08:32

Replies: 6

Natural convection (Convergence)

Views: 1,902

Posted By flotus1

Could you describe the computational domain (a...

Could you describe the computational domain (a picture would be nice)?

Do you use the pressure outlet boundary condition for all exterior boundaries?

What does your mesh look like and in which...

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