Prony Series Viscoelasticity?

20 September 2021 0 5K Report

I've been trying to obtain the Prony series through various approaches i.e. Matlab, Digimat, Mcalibration. However, I have not found a solution. As you can see in the picture, the prony series ( blue)are not even close to the experimental data.

I have changed a lot of parameters but not solution. Is my data wrong? is there any limitations in the prony series? am I doing something wrong?

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