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Balram Rao

error occurs after increasing load in NL quasi-static analysis

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I am able to run analysis successfully with 0.2 MPa pressure. But it is giving an error if i increase the load to 0.22 MPa in the same model.

What could be the reason?

Change in NLPARM card parameter didn't help.

.out file is attached. 

fuel cap.out

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Hi Balram,


The structure must have reached its limiting point and hence not able to converge with N-R method


Do you have contacts in the model? I prefer looking at the model in detail,please let us know if you could share the deck?




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