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Numerical simulation of the thermoforming of multi-layer polymer sheets

Abstract : This paper presents a 3D finite element model of the thermoforming process. The polymer material is assumed to obey the viscoplastic law proposed by G'Sell and Jonas, the coefficient of which have been identified for a polystyrene. The implementation of this constitutive model, the heat transfer coupling and the proposed multi-layer approach are detailed in the paper. Axisymmetric validation tests and an application to the thermoforming of an industrial component are also reported.
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  • HAL Id : hal-00576335, version 1

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Marie-Hélène Vantal, Bernard Monasse, Michel Bellet. Numerical simulation of the thermoforming of multi-layer polymer sheets. Proceedings NUMIFORM'95, 5th Int. Conf. on Numerical Methods in Industrial Forming Processes, Jun 1995, Ithaca, NY, United States. pp.Pages 1089-1095. ⟨hal-00576335⟩

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