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Forum: FLUENT

April 2, 2015, 10:52

Replies: 9

Natural Convection in Enclosures

Views: 3,828

Posted By nvarma

the Boussinesq approximation is valid when...

the Boussinesq approximation is valid when B(T-T0)<<1
From your contour plot, Delta T~10^2, B=10^-3.
B(T-T0) is in the order of 0.1.

However full compressible solution can be time consuming...

Forum: FLUENT

April 2, 2015, 08:51

Replies: 9

Natural Convection in Enclosures

Views: 3,828

Posted By nvarma

at an Ra of 1.65E9 , your solution would be...

at an Ra of 1.65E9 , your solution would be significantly different(wrong?) without a turbulence model.

Just to make sure, are you running a steady or transient case?

If you so badly want a...

Forum: FLUENT

April 1, 2015, 11:09

Replies: 9

Natural Convection in Enclosures

Views: 3,828

Posted By nvarma

Solution>Solution Controls>Equations

Solution>Solution Controls>Equations

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