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Calibration for strain-rate dependency - BB model

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  • Calibration for strain-rate dependency - BB model

    Dear Dr.Bergström,
    I am working with a viscoelastic polymer for which I have a single strain rate tensile test result (without unloading behavior) and a 2 step relaxation curve.
    My question: Is this data enough to calibrate BB model?
    I assume the single tensile test result represents hyperelastic behavior and step-strain relaxation test helps to evaluate viscoelastic behavior. Please correct me if I am wrong

    Thank you!

    Regards,
    Sandeep Ramini
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