infinite displacement - rod/spring

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

hi, 

 

im running into some issues when i add pretension to a rod element. i end up with a infinite displacement. I am hoping for the rod + the spring element to dampen the load to finite value. is there something im missing with my setup?

 

 

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Answers

  • tinh
    tinh Altair Community Member
    edited February 2018

    CROD has no bending stiffness so both ends of it work like pin joints, your model is a mechanism (in .out file shows that compliance is negative or large, it means model is lack of constraint

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