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Forum: CFX

February 8, 2012, 22:34

Replies: 10

Validation case query

Views: 1,580

Posted By ghorrocks

Sounds like you are new to CFD and fluid...

Sounds like you are new to CFD and fluid dynamics. Ever heard of a Von Karman vortex street? Look it up on Google. This is the most famous example of a symmetric geometry generating an asymmetric...

Forum: CFX

February 8, 2012, 16:48

Replies: 10

Validation case query

Views: 1,580

Posted By ghorrocks

OK, thanks. I assume you mean 10C by your...

OK, thanks. I assume you mean 10C by your estimated temperature difference - this should mean a constant properties, incompressible buoyant fluid approach should be good enough unless you are looking...

Forum: CFX

February 8, 2012, 04:56

Replies: 10

Validation case query

Views: 1,580

Posted By ghorrocks

What temperatures do you expect to see? What Re...

What temperatures do you expect to see? What Re is the air flow velocity? Or is it driven by natural convection? What does it look like (post an image)? What surrounds the region of interest?

Forum: CFX

February 7, 2012, 23:33

Replies: 10

Validation case query

Views: 1,580

Posted By ghorrocks

That depends on what you are modelling and what...

That depends on what you are modelling and what results you want to see.

That depends on what you are modelling and what results you want to see.

That depends on what you are modelling...

Forum: CFX

February 7, 2012, 16:28

Replies: 10

Validation case query

Views: 1,580

Posted By ghorrocks

What is your question? Is it that your results...

What is your question? Is it that your results are inaccurate?

If so this might help:
http://www.cfd-online.com/Wiki/Ansys_FAQ#Why_are_my_results_inaccurate.3F

And in your case I think you...

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