Homogenization of Dispersion-Strengthened Thermoelastic Composites with Imperfect Interfaces by Using Finite Element Technique

Nasedkin, Andrey and Nasedkina, Anna A and Rajagopal, Amirtham (2019) Homogenization of Dispersion-Strengthened Thermoelastic Composites with Imperfect Interfaces by Using Finite Element Technique. In: Proceedings of the International Conference on “Physics and Mechanics of New Materials and Their Applications”, PHENMA, 2018.

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Abstract

The paper describes the homogenization procedure for a two-phase mixture composite that consists of two isotropic thermoelastic materials. It is assumed that the special interface conditions are held on the boundary between the phases, where the stress and the thermal flux jump over the interphase boundary are equal to the surface stresses and thermal flux at the interface. Such boundary conditions are used to describe the nanoscale effects in thermoelastic nanodimensional bodies and nanocomposites. The homogenization problems are solved using the approach of the effective moduli method, the finite element method and the algorithm for generating the representative volume of cubic finite elements with random distribution of element material properties. As a numerical example, a mixture wolfram-copper composite is considered, where the interface conditions are simulated by surface membrane and thermal shell elements.

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IITH Creators:	IITH Creators ORCiD Rajagopal, Amirtham UNSPECIFIED
Item Type:	Conference or Workshop Item (Paper)
Subjects:	Civil Engineering
Divisions:	Department of Civil Engineering
Depositing User:	Team Library
Date Deposited:	08 Jul 2019 04:52
Last Modified:	08 Jul 2019 04:52
URI:	http://raiithold.iith.ac.in/id/eprint/5642
Publisher URL:	http://doi.org/10.1007/978-3-030-19894-7_30
Related URLs:	Google Scholar

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