Analysis of Long Fibers Direction of Transversely Isotropic Hyperelastic Material for Thermoforming Application

In this work, we present the modeling and numerical simulation using the explicit dynamic finite element method for the hyperelastic behavior of a thin, transversely isotropic and incompressible thermoplastic membrane. The Lagrangian formulation together with the assumption of the membrane theory is...

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Bibliographic Details
Published in:Journal of reinforced plastics and composites 2005-01, Vol.24 (9), p.961-975
Main Authors: Erchiqui, F., Bendada, A., Gakwaya, A.
Format: Article
Language:English
Subjects:
Applied sciences
Composites
Computer simulation
Exact sciences and technology
Fiber orientation
Forms of application and semi-finished materials
Inflation
Mathematical analysis
Mathematical models
Membranes
Polymer industry, paints, wood
Technology of polymers
Thermoforming
Thermoplastic forming
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Summary:In this work, we present the modeling and numerical simulation using the explicit dynamic finite element method for the hyperelastic behavior of a thin, transversely isotropic and incompressible thermoplastic membrane. The Lagrangian formulation together with the assumption of the membrane theory is used. The numerical validation is performed by comparing the theoretical solution for the uniaxial and equibiaxial Hencky deformation with the numerical results. Moreover, the effect of the transversely hyperelastic material on the thickness and on the stress distribution, for the membrane inflation, are analyzed for three different fibers orientations. Finally, a simple example of thermoforming part is presented.
ISSN:0731-6844
1530-7964
DOI:10.1177/0731684405048196