Numerical modeling of laser generation of ultrasound in orthotropic materials

Abstract : Laser generation of ultrasound has been widely demonstrated as an important tool in the non-destructive evaluation of materials. In this publication, we describe a model for the numerical simulation of thermoelastic laser-ultrasonics experiments. This model is based on temporal Laplace and spatial 2D Fourier transformations which permit to solve the mathematical problem for any laser beam intensity distribution or time profile and for materials having orthotropic symmetry. First results of this model are presented and confronted to experiments.
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Submitted on : Thursday, March 17, 2016 - 3:59:58 PM
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  • HAL Id : hal-01289851, version 1

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Marc Dubois, Franck Enguehard, Marc Choquet, Jean-Pierre Monchalin, Lionel Bertrand. Numerical modeling of laser generation of ultrasound in orthotropic materials. 1993 Review of Progress in Quantitative Non Destructive Evaluation, Aug 1993, Brunswick, United States. ⟨hal-01289851⟩

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