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A general cuboidal element for three-dimensional thermal modelling

Lookup NU author(s): Dr Rafal Wrobel

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Abstract

This paper presents a lumped parameter approach for three-dimensional (3D) thermal modelling based upon the use of general 3D elements which are formulated to accurately cater for internal heat generation. Commonly used thermal networks tend not to account for an internal heat generation that is essential for accurate temperature predictions. In contrast, the general element proposed in this paper includes the internal heat generation as well as a material thermal anisotropy. To validate the technique, thermal models of an inductor using the equivalent circuit method based around a general cuboidal element and a full 3D finite element analysis was constructed and analyzed. The calculated results from the cuboidal element method show good agreement with the FEM predictions. © 2006 IEEE.

Publication metadata

Author(s): Wrobel R, Mellor PH

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Magnetics

Year: 2010

Volume: 46

Issue: 8

Pages: 3197-3200

Print publication date: 01/08/2010

Online publication date: 19/07/2010

ISSN (print): 0018-9464

ISSN (electronic): 1941-0069

Publisher: IEEE

URL: https://doi.org/10.1109/TMAG.2010.2043928

DOI: 10.1109/TMAG.2010.2043928

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