Engineering, 04.12.2019 00:31, computer15

If for some viscoelastic polymer, the stress decays over time and follows the equation σ(t)=σ(0)exp(-t/τ), (equation 15.10). determine the relaxation modulus at 15s if the initial stress was 3mpa, the intial strain was 0.5 and the relaxation time is 20s.

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If for some viscoelastic polymer, the stress decays over time and follows the equation σ(t)=σ(0)exp(...