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Communication Dans Un Congrès Année : 2011

Modelling Viscoelastic Behaviour of Polymer by A Mixed Velocity, Displacement Formulation : Numerical and Experimental Results

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Résumé

The objective of this work is to model the viscoelastic behaviour of polymer from the solid state to the liquid state. With this objective, we perform experimental tensile tests and compare with simulation results. The chosen polymer is a PMMA whose behaviour depends on its temperature. The computation simulation is based on Navier-Stokes equations where we propose a mixed finite element method with an interpolation P1+/P1 using displacement (or velocity) and pressure as principal variables. The implemented technique uses a mesh composed of triangles (2D) or tetrahedra (3D) [5]. The goal of this approach is to model the viscoelastic behaviour of polymers through a fluid-structure coupling technique with a multiphase approach.
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Dates et versions

hal-00590221 , version 1 (03-05-2011)

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Vu-Thu Pham, Luisa Silva, Hugues Digonnet, Christelle Combeaud, Noëlle Billon, et al.. Modelling Viscoelastic Behaviour of Polymer by A Mixed Velocity, Displacement Formulation : Numerical and Experimental Results. The 14th International Esaform Conference on Material Forming: ESAFORM 2011, Apr 2011, Belfast, United Kingdom. pp.785-790, ⟨10.1063/1.3589611⟩. ⟨hal-00590221⟩
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