Develop models for viscoelastic materials.Design experiments to characterize the mechanical response of viscoelastic materials.Solve boundary value problems using models developed.Explore applications in Applied Mechanics, Aerospace, Civil, Chemical and Mechanical engineering.
Introduction to Viscoelasticity, review of the structure of viscoelastic materials such as plastics, rubbers and biological tissuesLinear viscoelasticity, constitutive equations using mechanical analogs, Maxwell model, standard linear solid and Burgers’ model generalized models, integral models, Boltzmann Superposition principle, stress relaxation and creep, relation between creep compliance, stress relaxation and complex modulus.Stress analysis examples, beam problems, elastic-viscoelastic correspondence principle, thick walled tubes, point force on semi-infinite solidTime-temperature superposition, WLF equation, influence of temperature on stress analysis.Mechanical characterization of viscoelastic materials, experimental methods and pitfalls, dynamic measurements.
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