A dynamic multiscale micromechanics model that accounts for two-waythermomechanical coupling in composites is presented. It predicts not only thestandard deformation that results from a temperature change, but also thetemperature change that results from mechanical deformation. In addition,viscoplastic material behavior is included at the scale of the fiber/matrixconstituents in a local High-Fidelity Generalized Method of Cells analysis, which isconducted at each material point of a global analysis on a composite specimen. Theglobal analysis of the composite considers time-dependent thermomechanicalboundary conditions capable of simulating impact loading while solving thecoupled transient thermal problem and the dynamic mechanical problem. Effectivethermoelastic and physical properties, as well as homogenized inelastic strains areprovided to the global model from the local scale. The multiscale model wasemployed to examine the impact response of a carbon/epoxy composite withemphasis on the temperature changes and inelastic strains induced by the impactloading.
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