non linear Integration could not converge

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

Hi,

In my model I have two pairs of bushings supporting a flexible body on either sides when I apply a translational motion to the flex body it is giviing error of non linear integration cannot c converge in the beggining of thhe anlysis .when I disabled a pair a first pair of busings it is running for some amount of time and giving the same error,can u direct in oder to detect the bug an fix it

thanking you

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Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited August 2011

    Hi Siva,

    I would like to know what is the integrator type your are using?

    By default it would be 'DSTIFF', try changing it to 'VSTIFF'.

    Cheers,

    Reddt

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited September 2011

    I am using in DSTIFF

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited September 2011

    No Its not working,I had bushings in the model when I deactivated them its working

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