seat pull test node force curve improper in radioss

Sankar
Sankar New Altair Community Member
edited December 2021 in Community Q&A

hi , i am working on seat pull test. i gave force on one end of 1d using cload card. but when i check the node force it is improper like sinusoidal curve and very low value than the input force. how to solve this.

Answers

  • Rogerio Nakano_21179
    Rogerio Nakano_21179 New Altair Community Member
    edited December 2021

    Hi

    I suggest you to check the stiffness of the 1D element.

    Applying load will have fluctuation, and the period of it will be likely related to how stiff ,in your case low stiffness, the 1D element.

    Hope this is helpful

    Regards