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derivatives_ansys apdl

derivatives_ansys apdl

(OP)
Hi all,
I am performing a sensitivity analysis for a topology optimization problem and I wonder if Ansys APDL allows users to calculate the derivatives of the global stiffness matrix with respect to the element density.
I read online that I can take derivatives using the *voper command. My question is: can I exploit this operation command for my purpose? And if yes, how can I import the stiffness matrix as a parameter?

Thank you for your help.

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