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Multi-Step Homogenization of Thermoelastic Multi-Scale Tubes with Wavy Layers

Conférence invitée
Author
TSALIS, Dimitrios
CHATZIGEORGIOU, George
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
CHARALAMBAKIS, Nicolas

URI
http://hdl.handle.net/10985/11137
Date
2016

Abstract

In this paper we present a multi-step homogenization scheme of a tube made of numerous wavy cylindrical layers exhibiting periodicity with respect to both the radial and the angular direction. The proposed homogenization is a combination of successive semi-analytical, cell-problem-based, homogenization steps and a possible, micromechanics-based, homogenization in the interior of every layer. Every step of cell-problem based homogenization gives analytical expressions for the homogenized stiffness, thermal expansion and thermal conductivity.

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