May 16, 2023 at 6:46 am
Ashish Khemka
Ansys Employee

Hi,

Please refer to the following link:

 

Why does rigid body motion often occur with LINK180 elements? - Ansys Knowledge

 

Properly constraining the rotation of link elements (may use remote displacement if needed)/ using one element per link should help.

Regards,

Ashish Khemka