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Experimental validation of a numerical multiphysics technique for electro‐thermo‐mechanical problem

Experimental validation of a numerical multiphysics technique for electro‐thermo‐mechanical problem Purpose – The purpose of this paper is to present an electro‐thermo‐structural analysis based on the cell method (CM). Design/methodology/approach – CM is useful for solving coupled problems when the same geometrical discretization can be adopted for different phenomena. In this case, the same geometrical structures and operators can be used, leading to a simplification of the numerical model. Findings – In order to asses the performance of the proposed coupling scheme, results have been compared with values measured on a carbon‐fiber specimen heated by an electric current and with an applied the mechanical load. Originality/value – A new dynamic coupling scheme based on the CM has been proposed and assessed with respect to measurements. A good agreement between model results and measurements has been shown, at least until second order effects appears, like the breaking of some fibers of the specimen or high‐temperature effects on epoxy resin. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering Emerald Publishing

Experimental validation of a numerical multiphysics technique for electro‐thermo‐mechanical problem

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Publisher
Emerald Publishing
Copyright
Copyright © 2010 Emerald Group Publishing Limited. All rights reserved.
ISSN
0332-1649
DOI
10.1108/03321641011078706
Publisher site
See Article on Publisher Site

Abstract

Purpose – The purpose of this paper is to present an electro‐thermo‐structural analysis based on the cell method (CM). Design/methodology/approach – CM is useful for solving coupled problems when the same geometrical discretization can be adopted for different phenomena. In this case, the same geometrical structures and operators can be used, leading to a simplification of the numerical model. Findings – In order to asses the performance of the proposed coupling scheme, results have been compared with values measured on a carbon‐fiber specimen heated by an electric current and with an applied the mechanical load. Originality/value – A new dynamic coupling scheme based on the CM has been proposed and assessed with respect to measurements. A good agreement between model results and measurements has been shown, at least until second order effects appears, like the breaking of some fibers of the specimen or high‐temperature effects on epoxy resin.

Journal

COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic EngineeringEmerald Publishing

Published: Nov 16, 2010

Keywords: Numerical analysis; Physics; Problem solving

References

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