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CFX 5.7 solver error

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Old   February 24, 2005, 23:08
Default CFX 5.7 solver error
  #1
Neser
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Hi, there I got the following error in CFX5.7 solver after the program past about 4 ittrations.

'The CFX-5 solver could not be started, or exited with return code 255: . No results file has been created'

Any one know what this error means
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Old   February 25, 2005, 12:33
Default Re: CFX 5.7 solver error
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Rui
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Hi,

Are you using the moving mesh capibility? If so, take a look at: http://www.cfd-online.com/Forum/cfx.cgi?read=9363 ; and if you have access to the CFX Community web site take also a look at: http://www-waterloo.ansys.com/cfxcom...p?TOPIC_ID=629

But as Glenn Horrocks says: " the min mode el expert parameter does not work all the time ... The only totally reliable fix is to update to CFX 5.7.1 where the problem has been resolved.", so consider to update to CFX-5.7.1

Regards,

Rui

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Old   February 26, 2005, 19:05
Default Re: CFX 5.7 solver error
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Neser
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But I am already useing CFX 5.7.1.
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Old   February 27, 2005, 14:05
Default Re: CFX 5.7 solver error
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Rui
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Hi,

Are you using the moving mesh capability, or aren't you? If you are, try with the expert parameter (however you shouldn't need it in CFX-5.7.1).

Regards,

Rui
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Old   February 28, 2005, 12:05
Default Re: CFX 5.7 solver error
  #5
Neser
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I am not using moving mesh capability.

Regards
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Old   February 28, 2005, 12:55
Default Re: CFX 5.7 solver error
  #6
Rui
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Hi Neser,

If you have access to the CFX Community web site, take a look at: http://www-waterloo.ansys.com/cfxcom...Terms=code,255 , where an error with return code 255 is reported (CFX-5.7.1). On the last post, the person who reported the error says: "it looks the problem was caused by an antivirus application which had a firewall feature in it. No problems since I disabled that."

However, as the cause of the error was not clear, as your error may be caused by something else, and as it seems you are having more errors with CFX-Solver, I think you should contact CFX technical support.

Regards,

Rui
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Old   February 28, 2005, 19:50
Default Re: CFX 5.7 solver error
  #7
Neser
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thank you Rui, I will
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Old   February 28, 2005, 23:23
Default Re: CFX 5.7 solver error
  #8
Santhosh
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Yes the problem was due to McAfee's buffer overflow protection mechanism. I havent faced any problems since I disabled the buffer overflow and port blocking features.

Santhosh
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Old   March 1, 2005, 07:31
Default Re: CFX 5.7 solver error
  #9
Neser
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Hi, Santhosh

How can I disable the buffer over flow please. I am using ver 7.1.0. Non of the manues mention buffer over flow

thanks
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Old   March 1, 2005, 11:59
Default Re: CFX 5.7 solver error
  #10
Santhosh
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Well I have the enterprise ver 8.0.0 and in that it was pretty straight forward, it was available on the virus console dialog box. Are you trying a parallel run or at what stage is this error occuring?

Regards, Santhosh
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