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Fluid Structure interaction (FSI)

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Old   June 3, 2011, 13:50
Default Fluid Structure interaction (FSI)
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Hi friends,


Is there anybody who give me some more information and details about the implementation of the FSI On the fluent Software,
I would be grateful if you send me some FSI tutorials or any relevant files which can help me in this regard. Does anybody has any special UDF or...

Thanks,
Oshin
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Old   June 14, 2011, 17:44
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FSI is a multiphysics problem and can be solved using ANSYS or COMSOL but not Fluent. I am not sure if Fluent 12/13 has some integration capabilities with ANSYS for carrying out FSI.
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Old   June 15, 2011, 11:45
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Quote:
Originally Posted by skullCFD View Post
FSI is a multiphysics problem and can be solved using ANSYS or COMSOL but not Fluent. I am not sure if Fluent 12/13 has some integration capabilities with ANSYS for carrying out FSI.
Hi,
It is possible to model FSI with ansys-fluent in one way; for two way modeling, you can use ansys-cfx.
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Old   June 15, 2011, 16:52
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Hi osirous, Amir is right in one way. I did not think about it. You can estimate pressure acting on a structure from the flow field solution in Fluent and use ANSYS to perform a stress/strain/deformation simulation, and vice versa. What I was thinking of "real" FSI problem is a strongly, bidirectionally coupled problem between the fluid flow/pressure field and the solid deformation. For that, it is CFX or COMSOL.
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Old   July 1, 2011, 20:00
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Hi osirous, I might be wrong. Please look at this post:
Question about modeling an elastic wall in Fluent

He is actually trying to do this problem in Fluent by specifying the fluid pressure on the wall and using an UDF to solve for the wall deformation. He is presently having issues with making a dynamic mesh. Perhaps, you two can collaborate if you like.
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Old   July 5, 2011, 15:38
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Hi skullCFD, Thanks for your help. in fact I read some papers that manipulate FSI in fluent using UDFs and journal files that's why I ask you guys to help me if you have any special information about this procedure.

Thanks
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