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-   -   CFX 5.7 solver error (http://www.cfd-online.com/Forums/cfx/21025-cfx-5-7-solver-error.html)

Neser February 24, 2005 23:08

CFX 5.7 solver error
 
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

Rui February 25, 2005 12:33

Re: CFX 5.7 solver error
 
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


Neser February 26, 2005 19:05

Re: CFX 5.7 solver error
 
But I am already useing CFX 5.7.1.

Rui February 27, 2005 14:05

Re: CFX 5.7 solver error
 
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

Neser February 28, 2005 12:05

Re: CFX 5.7 solver error
 
I am not using moving mesh capability.

Regards

Rui February 28, 2005 12:55

Re: CFX 5.7 solver error
 
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

Neser February 28, 2005 19:50

Re: CFX 5.7 solver error
 
thank you Rui, I will

Santhosh February 28, 2005 23:23

Re: CFX 5.7 solver error
 
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

Neser March 1, 2005 07:31

Re: CFX 5.7 solver error
 
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

Santhosh March 1, 2005 11:59

Re: CFX 5.7 solver error
 
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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