Neutral Point is used before set

[Alan_H]

Received a new warning today when attempting to solve a non-linear model that causes the simulation to end.  It is: "WARNING: NEUTRAL POINT IS USED BEFORE SET".  I can't find any information on this type of a warning anywhere so I'm not even sure where to begin to try to address the issue.  Anyone have any ideas (or at least be able to tell me what typically causes this type of warning so I have some idea on what I need to do)?

Thanks, Alan

[S.LI]

Hi, Alan,

Please share more details about your issue, such as the analysis type.

It would be great and helpful if you could post your log file here.

thanks.

[zhuangs · Accepted solution]

You must be using frictional contact or frictional slide/no bounce contact in your model.  The following procesures might help test:

(1) Reduce time step by inputting a larger capture rate.

(2) Adjust a user-specified contact tolerance with a larger value than the automatic option.

-Shoubing

[Alan_H]

Your correct.  It's a model with surface contacts.  The contact tolerances was the issue.  Pushing that up slightly took care of the problem.