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Old   September 5, 2001, 13:04
Default Expanding meshes
  #1
Prashant
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Dear all, I'm interested in some biomedical applications of CFD, in which the flow cavity or geometry itself changes w.r.t. time. I am looking for a CFD code that can handle this expansion and contraction of meshes. Is FIDAP the only code in market that can handle this? R there any other codes that deal with these kind of "flexible geometries"? Which is better? Thanks in advance.
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Old   September 5, 2001, 17:28
Default Re: Expanding meshes
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Astrid
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There are several commercial packages that can do the job. I work with CFX 4.4 which can handle the contraction and expansion.

Good luck, Astrid
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Old   September 5, 2001, 21:45
Default Re: Expanding meshes
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Raza Mirza
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CFD-ACE+ from CFD Research Corporation (http://www.cfdrc.com) can handle this problem easily. Surface deformation can be prescribed in terms or functions or they can be calculated based on fluid forces if you are interested in fluid-structural interaction.

Visit there website and you will find some interesting biomedical applications. One of them may exactly match what you are looking for.

I also attended Fluent's automotive user group meeting this year. They are claiming beta capabilities with moving meshes in version 6. It is however developed largely with the moving pistion-cylinder type applications.
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Old   September 6, 2001, 05:17
Default Re: Expanding meshes
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Andrew Parker
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As far as I am aware Fluent 6 will do this, I have had a presentation on this for a different application, and I think it will apply to you.

Andy
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Old   September 6, 2001, 06:17
Default Re: Expanding meshes
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Amita
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Fluidyn series of software (commercialized by Transoft) are designed to couple CFD with structural deformation (solving FV& FE simultaneously, either for thermal or mechanical deformation). You can visit Transoft's Website www.fluidyn.com or contact me for a small mesh expanding case demo.

Amita

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