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Fitting Bergstrom Boyce Parameters in LS-DYNA


krzysiek_krzysiek
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(@krzysiek_krzysiek)
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Hello,

Im interested in fitting the Bergstrom-Boyce model in LS-DYNA using experimental data. The experimental data includes uniaxial compression and tension stress-strain curves, at multiple strain rates (0.01/s, 1/s, 10/s, and 50/s). Can anyone help explain how I would go about doing this in MATLAB?

Im also open to other material models, including Arruda-Boyce, Ogden, or MAT_181 which would allow me to simulate rate effects.

Best,

Connor Pyles

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