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Forum: CFX

August 6, 2009, 14:24

Replies: 12

Inlet Velocity in CFX

Views: 5,193

Posted By aeroman

ok, I answered my own question. immersed solids...

ok, I answered my own question. immersed solids does not need to deform the mesh. I knew I should have read before writing.

But now I have another (less ignorant) question, for my ball moving...

Forum: CFX

August 6, 2009, 14:13

Replies: 12

Inlet Velocity in CFX

Views: 5,193

Posted By aeroman

one more question

Just one more quick question. In version 12 cfx mesh movement is carried out by compressing and stretching the mesh about the body. In fluent, the cells are removed and replaced as the body...

Forum: CFX

August 6, 2009, 13:42

Replies: 12

Inlet Velocity in CFX

Views: 5,193

Posted By aeroman

Thanks

I will have acess to V12 this tuesday and will use the immersed solids model as you recommend. This has been advised to me in a previous thread (thanks Glen). I see what you mean about the errors, I...

Forum: CFX

August 5, 2009, 13:11

Replies: 12

Inlet Velocity in CFX

Views: 5,193

Posted By aeroman

Model

Please find attached a picture of the CAD model. the circular region is modeled as a no slip wall. the left wall is the inlet, the upper and lower walls are free slip walls. and the right wall is the...

Forum: CFX

August 5, 2009, 13:01

Replies: 12

Inlet Velocity in CFX

Views: 5,193

Posted By aeroman

physical problem

I got a little trigger happy with the submit button and didn't answer your question. The physical problem is an object entering the water with a given velocity. I want to change the inlet velocity...

Forum: CFX

August 5, 2009, 12:48

Replies: 12

Inlet Velocity in CFX

Views: 5,193

Posted By aeroman

hmmm

Thanks for your reply!!

I'm not sure what you mean however. Lets say I have two subdomains 1 is an inlet domain and the other has the obstruction at the interface between the two domains. If I...

Forum: CFX

August 5, 2009, 10:13

Replies: 12

Inlet Velocity in CFX

Views: 5,193

Posted By aeroman

whoops

Note: I put the equations in backwards they are Vold+dtstep(g-(f/m)).

Sorry about that.

Forum: CFX

August 5, 2009, 10:08

Replies: 12

Inlet Velocity in CFX

Views: 5,193

Posted By aeroman

Inlet Velocity in CFX

OK..I've been through the documentation and believe I have exhausted all other references and I have a question.

I am wanting to have an initial constant inlet velocity for a given time and then...

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