Towards a coupled heating-forming simulation of the thermoforming of thermoplastic composites

Abstract : A strategy for the simulation of the whole thermoforming process, from the infrared heating to the stamping, is presented here. Two loosely coupled simulation tools are being developed: the first one computes a realistic 3D, transient temperature field of the composite stack inside an infrared oven, considering the radiative, conductive and convective heat transfers; the temperature distribution is used as an input for the second that aims at simulating the thermomechanical behaviour of the composite during the forming step via a non-orthogonal constitutive model. The steps for the identification of the model parameters are introduced. Initial validation tests show realistic results in term of shear angle distribution.
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https://hal.archives-ouvertes.fr/hal-01629284
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Theo Baumard, Gary Menary, Olivier de Almeida, Fabrice Schmidt, Peter Martin, et al.. Towards a coupled heating-forming simulation of the thermoforming of thermoplastic composites. ESAFORM 2017 - 20h International ESAFORM conference on Material Forming, Apr 2017, Dublin, France. ⟨10.1063/1.5008022⟩. ⟨hal-01629284v2⟩

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