why is udf called again and again?

Prabin Pradhananga_22497
Prabin Pradhananga_22497 Altair Community Member
edited August 2022 in Community Q&A

Hi experts,

I have been puzzled by the working mechanism of the UDF. Why is a udf called again and again by acuSolve even in a single time step? Is that because the solver has to solve related equations at different quadrature points? Is a udf called as many times as there is number of quadrature points??? But I see even in a single time step, a quadrature point is invoked multiple times. Any hint on this???

Thanks!!!

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