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FULL EULERIAN FINITE ELEMENT ANALYSIS OF PRESSURE-SENSITIVE ADHESIVES

Nishiguchi, K.; Maeda, K.; Okazawa, S.;

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This paper presents a novel simulation method for the large deformation behavior of pressure-sensitive adhesives (PSAs). The focus is on visco-hyperelasticity and temperaturedependence of PSAs. All the basic equations are numerically solved in the Eulerian framework because it allows arbitrarily large deformations. Visco-hyperelasticity is formulated using Simo’s finite-strain viscoelastic model, where hyperelasticity is modeled as a novel strain energy function of the left Cauchy-Green deformation tensor. The left Cauchy-Green deformation tensor is temporally updated from the Eulerian velocity field. Temperature-dependence is described with the time-temperature superposition principle of Williams, Landel, and Ferry. To validate the proposed approach, we simulate uniaxial tension tests under different tensile speed and temperature conditions.

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Palavras-chave: Eulerian formulation, Large deformation, Hyperelasticity, Adhesive,

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DOI: 10.5151/meceng-wccm2012-18882

Referências bibliográficas
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Como citar:

Nishiguchi, K.; Maeda, K.; Okazawa, S.; "FULL EULERIAN FINITE ELEMENT ANALYSIS OF PRESSURE-SENSITIVE ADHESIVES", p. 2497-2511 . In: In Proceedings of the 10th World Congress on Computational Mechanics [= Blucher Mechanical Engineering Proceedings, v. 1, n. 1]. São Paulo: Blucher, 2014.
ISSN 2358-0828, DOI 10.5151/meceng-wccm2012-18882

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