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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Geometry nonlinear FEM iteration process ( How to compute internal force?) › Reply To: Geometry nonlinear FEM iteration process ( How to compute internal force?)

August 15, 2024 at 8:51 am
dhjang4522
Subscriber

Thank you for your response.

I appreciate the information provided, but the links you shared only cover the process of Newton-Raphson method and do not address how to calculate internal forces.

Upon review, it seems that the issue may lie in the process of calculating element cauchy stresses, as other matrices appear to be functioning correctly.

Could you please provide details on how to accurately compute internal forces from the element stresses?

Any related resources or references would be greatly appreciated.

Thank you!