Thermoelastic damping is a phenomenon that occurs in materials subjected to cyclic loading or deformation, where the internal energy dissipation is associated with thermal effects. It arises from the coupling of elastic and thermal responses of the material. When a material is deformed, it undergoes changes in temperature due to the irreversible processes of internal friction and the heat generated from the molecular motion and dislocations. This change in temperature can affect the material's elastic properties, creating a feedback loop.
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