nonlinear no converge

Altair Forum User
Altair Forum User
Altair Employee
edited November 2020 in Community Q&A

Hi!

I use math nonlinear and contact as shown below, set the curve material but solve nonlinear, the result does not converge, but the problem of linear static, then the result. So you could comment for me to solve this problem.

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Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited January 2016

    Hi,

     

    Can you increase the NINC in NLPARM and check if the analysis converges?

  • jiaru72300
    jiaru72300 Altair Community Member
    edited November 2020

    Hi，

    I calculated the model. use the NLSTAT.
    The result shows that the model can normally converge,
    But the contact has problems, I recommend using Pcont card to control.

     

    <?xml version="1.0" encoding="UTF-8"?>Static.gif

    <?xml version="1.0" encoding="UTF-8"?>non.gif

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