On the use of a pulsed-laser source in laboratory seismic experiments

Abstract : Reproduction of large-scale seismic exploration at laboratory-scale with controllable sources is a promising approach that could not only be applied to study small-scale physical properties of the medium, but also contribute to significant progress in wave-propagation understanding and complex media imaging at exploration scale via upscaling methods. We seek to characterize the properties of a laser-generated seismic source for new geophysical experiments at laboratory scale. This consists in generating seismic waves by pulsed-laser impacts and measuring the displacement wavefield by laser vibrometry. Parallel 2D/3D simulations using Discontinuous Galerkin discretization method and analytic predictions have been done to match the experimental data.
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Poster communications
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Submitted on : Monday, December 17, 2018 - 10:31:16 AM
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  • HAL Id : hal-01957147, version 1


Chengyi Shen, Daniel Brito, Julien Diaz, Deyuan Zhang, Clarisse Bordes, et al.. On the use of a pulsed-laser source in laboratory seismic experiments. AGU meeting 2018, Dec 2018, Washington, United States. ⟨hal-01957147⟩



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