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Error with 'Force balance' option

Hello, Please refer to the attached screenshots. I get this error only when the force balance is checked. What could be the reason here? I am using the force balance output to get the net resultant force in the bolt region made of solid elements.

Thanks and best regards,

Su

 

4 REPLIES

Re: Error with 'Force balance' option

Here's the Femap model in zip format.

Re: Error with 'Force balance' option

What version of Femap and Nastran are you using?

Your model with force balance request works fine in Femap 11.3.2 and NXN 11.0

 

Regards,

Joe

Re: Error with 'Force balance' option

Hello Joe, thanks for your response. I am using Femap 11.2.0 and I don't know how to check the NXN version.

Is there a way to fix this problem in the version I have?

Best regards,

Su

Re: Error with 'Force balance' option

You can always find the version of Nastran in the header of the f06 file.

 

Looks like Femap 11.2 uses NXN 10.1and there is a documented PR # 8252204 for this issue. It has been fixed in NXN 10.2 and later versions. Femap 11.2.1 and later versions should work fine with the force balance request.

 

Regards,

 

Joe