Issue |
Eur. Phys. J. AP
Volume 2, Number 2, May 1998
|
|
---|---|---|
Page(s) | 117 - 125 | |
DOI | https://doi.org/10.1051/epjap:1998174 | |
Published online | 15 May 1998 |
https://doi.org/10.1051/epjap:1998174
Thermoelastic analysis under harmonic excitation: Comparison between optical and electronic heat sources
Laboratoire d'Énergétique et d'Optique, Unité de Thermique et d'Analyse Physique,
Faculté des Sciences, BP 1039,
51687 Reims Cedex 2, France
Corresponding author: yannick.gillet@univ-reims.fr
Received:
8
August
1997
Revised:
23
December
1997
Accepted:
19
February
1998
Published online: 15 May 1998
The thermal behaviour of a sample submitted to a sinusoidal optical irradiation or a sinusoidal electronic irradiation is modelled in axisymmetrical two- dimensional geometry. This modelling mixes an integral transform and a one-dimensional thermal harmonic response. It shows the spherical thermal behaviour of the harmonic heat diffusion. The same solving method is applied to the Navier-Stokes equation using one-dimensional acoustic harmonic responses. The latter solution leads to the calculation of the displacement field. Finally, the two heat sources are compared from thermal and thermoelastic points of view.
PACS: 44.10.+i – Heat conduction (models, phenomenological description) / 65.70.+y – Thermal expansion and density changes; thermomechanical effects / 62.65.+k – Acoustical properties of solids
© EDP Sciences, 1998
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