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3-D thermal modelling applied to stress-induced anisotropy of thermal conductivity

✍ Scribed by H. Pron; C. Bissieux

Publisher: Elsevier Science
Year: 2004
Tongue: French
Weight: 405 KB
Volume: 43
Category: Article
ISSN: 1290-0729
DOI: 10.1016/j.ijthermalsci.2004.04.006

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✦ Synopsis

The present work consists in the development of a three-dimensional model of heat diffusion in orthotropic media, based on numerical Fourier transforms, and taking into account the extent of the source. This model has been applied, together with a Gauss-Newton parameter estimation procedure, to identify the components of the conductivity tensor of a steel bar under uniaxial loading. Few percent variations of the conductivity components have been observed for applied stresses remaining in the elastic domain.

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