A thermoelastic model for the calculation of stresses induced during the in-situ consolidation process for thermoplastic composites is developed. The model is com- posed of tow infinitely long layers of orthotropic material moving at a constant velocity through a concentrated heat source. The tow layers are continuously joined along the semi-infinite surface downstream of the consolidation point. The model is developed in three stages, consisting first of a thermoelastic particular solution and an isothermal complementary solution of each layer and finally a solution of the mixed boundary value problem defined by the contact between the tow layer.
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