Question: A four-parameter solid model is given, assuming E-1000 MPa, E-500MPa, and t=1s. -300 MPa-s. E WW E ww Ho 000 000 H a. Develop

A four-parameter solid model is given, assuming E-1000 MPa, E-500MPa, and t=1s.

A four-parameter solid model is given, assuming E-1000 MPa, E-500MPa, and t=1s. -300 MPa-s. E WW E ww Ho 000 000 H a. Develop expression for stored (free) energy W, and dissipated energy W& for the four- parameter solid model under creep loading condition when the applied stress is 1MPa. b. Plot W, and Wa as a function of time. c. Find the creep-to-yield time t, when the Wcritical = 10- J.

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