Modélisation thermodynamique du frottement interne et de l'hystérésis d'un élastomèreThermodynamics modelling of internal friction and hysteresis of elastomers |
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Authors: | Sabine Cantournet Rodrigue Desmorat |
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Affiliation: | Laboratoire de modélisation et mécanique des structures, UPMC, FRE 2505 du CNRS, Université Pierre et Marie Curie, 8, rue du Capitaine-Scott, 75015 Paris, France |
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Abstract: | The study of the physical structure of filled elastomers makes us able to identify the state variables needed to model the behavior of elastomeric materials. We build a thermodynamics potential (written for finite strains and in 3D) which accounts for the nonlinearity of the behavior, for a hysteresis independent of the time and of the loading rate and for Mullins effect, this without introducing damage. The model can be coupled with damage to predict the crack initiation conditions under monotonic and/or cyclic loading. To cite this article: S. Cantournet, R. Desmorat, C. R. Mecanique 331 (2003). |
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Keywords: | Mécanique des solides numérique Élastomères Hystérésis Frottement interne Grandes déformations Computational solid mechanics Elastomer Hyteresis Internal slipage Finite strains |
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