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Interface Models in Coupled Thermoelasticity

Department of Civil and Building Engineering, and Architecture, Università Politecnica delle Marche, 60121 Ancona, Italy
IMAG CNRS UMR 5149, University of Nîmes, 30000 Nîmes, France
Department of Engineering, University of Ferrara, 44122 Ferrara, Italy
CNRS, Centrale Marseille, Laboratoire de Mécanique et d’Acoustique, Aix-Marseille University, 13453 Marseille, France
Author to whom correspondence should be addressed.
Received: 12 February 2021 / Revised: 1 March 2021 / Accepted: 2 March 2021 / Published: 4 March 2021
(This article belongs to the Special Issue Advances in Multiscale and Multifield Solid Material Interfaces)
This work proposes new interface conditions between the layers of a three-dimensional composite structure in the framework of coupled thermoelasticity. More precisely, the mechanical behavior of two linear isotropic thermoelastic solids, bonded together by a thin layer, constituted of a linear isotropic thermoelastic material, is studied by means of an asymptotic analysis. After defining a small parameter ε, which tends to zero, associated with the thickness and constitutive coefficients of the intermediate layer, two different limit models and their associated limit problems, the so-called soft and hard thermoelastic interface models, are characterized. The asymptotic expansion method is reviewed by taking into account the effect of higher-order terms and defining a generalized thermoelastic interface law which comprises the above aforementioned models, as presented previously. A numerical example is presented to show the efficiency of the proposed methodology, based on a finite element approach developed previously. View Full-Text
Keywords: interfaces; asymptotic analysis; coupled thermoelasticity interfaces; asymptotic analysis; coupled thermoelasticity
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MDPI and ACS Style

Serpilli, M.; Dumont, S.; Rizzoni, R.; Lebon, F. Interface Models in Coupled Thermoelasticity. Technologies 2021, 9, 17.

AMA Style

Serpilli M, Dumont S, Rizzoni R, Lebon F. Interface Models in Coupled Thermoelasticity. Technologies. 2021; 9(1):17.

Chicago/Turabian Style

Serpilli, Michele, Serge Dumont, Raffaella Rizzoni, and Frédéric Lebon. 2021. "Interface Models in Coupled Thermoelasticity" Technologies 9, no. 1: 17.

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