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Four-parameter model. The Maxwell model does not describe a distribution of the relaxation times. It also does not describe creep, only relaxation. The Voigt’s model also has its flaws. It does not relax (look at the model and explain why). Suggest a combined model, and look at the four-elements model in fig. 11.32 p.437. This model gives three additive contributions to strain. Explain how to obtain formula 11.69, p. 438 |