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Lattice Boltzmann method for wave propagation in elastic solids

Murthy, JSN and Kolluru, PK and Kumaran, V and Ansumali, S (2018) Lattice Boltzmann method for wave propagation in elastic solids. In: Communications in Computational Physics, 23 (4). pp. 1223-1240.

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Official URL: https://doi.org/10.4208/CICP.OA-2016-0259


We present a new lattice Boltzmann formulation for elastic solids and analyse the issue of conservation laws for solids. This new formulation allows tunable Poisson ratio. As a first benchmark problem, we consider an elastic wave propagating in an infinite homogeneous medium with point force and point dipole Ricker wavelet as the source. The method is successful in simulating behavior of elastic wave motion as a function of Poisson ratio.

Item Type: Journal Article
Publication: Communications in Computational Physics
Publisher: Global Science Press
Additional Information: The copyright for this article belongs to the Global-Science Press
Keywords: Elastic solids; Lattice Boltzmann method; Poisson ratio
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Date Deposited: 14 Aug 2022 05:55
Last Modified: 16 Aug 2022 05:15
URI: https://eprints.iisc.ac.in/id/eprint/75733

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