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Fluid Structure Interaction using MFX : ANSYS-CFX

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Old   March 1, 2006, 00:37
Default Fluid Structure Interaction using MFX : ANSYS-CFX
  #1
Manoj Kumar
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Hi Everyone

Has anyone simulated fluid structure interection problem e.g. simulation of motion of a ship model in a wave tank, using MFX ? I was able to simulate flow around the shil hull in cfx very well (with out motion).The I thought of trying FSI. I have prepared two model, the ship hull in ansys and the fluid domain in cfx. When I try to start the simulation form ansys launcher (MFX -ANSYS/CFX environment) I get following error ..

/COM,ANSYS RELEASE 10.0 UP20050718 16:41:57 02/28/2006

*** FATAL *** CP = 0.953 TIME= 16:42:05

The database (-db) space requested is not currently available. Reenter ANSYS command line with less database space requested.

************************************************** **********************

The above error is non-recoverable by ANSYS ANSYS run terminated by the indicated error Current data base saved if possible.

************************************************** **********************

/COM,ANSYS RELEASE 10.0 UP20050718 09:52:58 03/01/2006

*** FATAL *** CP = 1.000 TIME= 09:53:29 Fatal error notification received The reported error is Process CFX

encountered the error: -11000.

************************************************** **********************

The above error is non-recoverable by ANSYS ANSYS run terminated by the indicated error Current data base saved if possible.

************************************************** **********************

Can anyone let me know what these errors are? Thanks in advance.

Manoj

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Old   August 23, 2010, 15:20
Default The database (-db) space requested is not currently available.
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souvik
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Go to customization/preferences on ansys product launcher window....check the use custom memory settings.....reduce the total workspace & database both....its a trial & error method...for me it worked....for 32 bit windows xp platform make total workspace 400 MB & database 150 MB....i think it will work!!!!!
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Old   June 3, 2015, 07:41
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Alberto Benitez Ruiz
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Hi, everyone.
I´m triying to simulate a FSI using MFX. I obtained next error:
"Quadrilateral elements has negative or zero volume. Nodes on elements must be numbered counterclockwise"
Do you know how i can solve this problem?
Thanks.
Alberto.
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