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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Pivot error message › Reply To: Pivot error message

November 6, 2024 at 9:17 am
Erik Kostson
Ansys Employee

 

Hi

See what pivot error is:

https://featips.com/2023/01/30/ansys-solver-pivot-warnings-what-are-they-and-waht-to-do-about-them/

and the message you show as that explains the reason (material, constraints, etc.)

Most likely shared topology related (som members are not connected). You can check which parts by doing a modal analysis and see for rigid body modes.

 

See this video on how to do that (shared topology/connect parts):

https://www.youtube.com/watch?v=h43E1YO1LiM

Also this shows how to do this properly:

https://www.youtube.com/watch?v=hb7BUcug8wY

All the best

Erik

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