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Old   January 12, 2005, 21:55
Default FLUID STRUCTURE INTERACTION USING ANSYS
  #1
Bi Chabg
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Hi!

My name is BI CHANG. I am interested in fem. Recently, I'd like to model FSI(Fluid Structure Interaction), which is modeling wind-inudced vibration for Light pole. I am not sure that what programs I need to model this. I am using ANSYS 8.1. Do I need CFX and Mpcci? or I can simulate with onle ANSYS 8.1? Thank you so much
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Old   January 13, 2005, 08:58
Default Re: FLUID STRUCTURE INTERACTION USING ANSYS
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Twiti
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I know little about FSI. But Ansys have paid more efforts on that refer to the documentation of Ansys 9.0, CFX 5.7 and ICEM 5.1. Last year, one of the agent of CFX told me that a beta version of FSI was available. You can contact the company for further information.
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Old   January 13, 2005, 09:55
Default Re: FLUID STRUCTURE INTERACTION USING ANSYS
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HVN
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Perhaps you could try to use the ANSYS module called Flotran
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Old   January 17, 2005, 19:49
Default Re: FLUID STRUCTURE INTERACTION USING ANSYS
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Derrek
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Bi:

If you want to model wing flutter you will need ANSYS Multiphysics, CFX and MPCCI.

Derrek
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Old   January 19, 2005, 13:18
Default Re: FLUID STRUCTURE INTERACTION USING ANSYS
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Robin
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Hi Bi,

With the current release of ANSYS Multiphysics and ANSYS CFX-5, there is a beta capability for FSI through MPCCI. A fully native solution will be available with CFX-5.8 and ANSYS 10, due for release in June 2005. Work on the fully native implementation began very soon after ANSYS acquired CFX in 2003. The current beta capability was an implementation created for consulting work which was merged in the interim, whereas the native implementation is quite different; easier to use, more efficient, and doesn't require third party libraries.

Some specific customers have been seeded an alpha build of CFX-5.8 and are running it with ANSYS 9. So far, the feedback has been very good. The codes can be running on the same machine or across multiple heterogeneous systems. Communication is done through TCP/IP ports and I have even heard one example of the two codes running across the internet in separate offices!

The set-up is pretty simple, CFX-Pre allows you to specify "ANSYS Multiphysics" boundary conditions, meaning that the BC will actually come from ANSYS. Once the CFX-5 model is defined, the user simply specifies the corresponding data fields in Multiphysics. At startup, the user supplies the host and port number of the ANSYS solver.

You'll still have to wait until CFX-5.8 and ANSYS 10 are released before you will be able to use the new capability, but it isn't that far away. This a very exciting time, as this will represent the first fully native implementation of FSI between a high-end FEA and CFD code.

Best regards, Robin
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Old   February 6, 2005, 01:37
Default Re: FLUID STRUCTURE INTERACTION USING ANSYS
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Bi Chabg
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Thank you everybody for your replies.,...
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Old   February 6, 2005, 01:38
Default Thank you for your replies
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Bi Chabg
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