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Modeling of Anisotropic Suede-like Material During the Thermoforming Process
Publié en 2011
Physical and mechanical studies of Alcantara® have shown very pronounced anisotropic nonlinear features. Using constitutive equations borrowed from the modelling of biological tissues like tendons and/or arteries under the form of hyperelastic free-energy functions, a good representation of such mechanical features can be obtained.
In particular, a combination between the optimization module and a modified hyperelastic model in COMSOL Multiphysics® can be used to determine the macroscopic mechanical parameters and to apply them to the simulation of the behaviour of Alcantara® when it undergoes high-temperature processes like thermoforming.
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- lelli_presentation.pdf - 1.37MB
- lelli_paper.pdf - 0.37MB