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Forum: CFX

February 11, 2012, 05:31

Replies: 14

Applying Body Forces in CFX

Views: 3,795

Posted By ghorrocks

Darren's comments are spot on. Forget about the...

Darren's comments are spot on. Forget about the body force approach.

You could model it as a rigid body with rotating frames of reference as Darren suggests. I do not think you can put a rotating...

Forum: CFX

February 10, 2012, 05:28

Replies: 14

Applying Body Forces in CFX

Views: 3,795

Posted By ghorrocks

It makes no sense yet. What is applying the...

It makes no sense yet. What is applying the acceleration to the fluid?

Forum: CFX

February 9, 2012, 21:10

Replies: 14

Applying Body Forces in CFX

Views: 3,795

Posted By ghorrocks

For moving mesh consult the documentation and...

For moving mesh consult the documentation and tutorials.

But if you want to move the fluid but not the geometry then you do not want moving mesh but you want a source term in the momentum...

Forum: CFX

February 9, 2012, 19:55

Replies: 14

Applying Body Forces in CFX

Views: 3,795

Posted By ghorrocks

Do you know the force or the acceleration? If you...

Do you know the force or the acceleration? If you know the force then you need a FSI simulation to work out the motion. If you know the acceleration then you can do this as just a moving mesh...

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