A two-layer elastic strip under transverse impact loading: Analytical solution, finite element, and finite volume simulations

V. Adámek, A. Berezovski, M. Mračko and R. Kolman

Mathematics and Computers in Simulation (MATCOM), 2021, vol. 189, issue C, 126-140

Abstract: In this paper, wave propagation in a two-layer composite strip is investigated analytically and numerically. The strip is loaded by a very short transverse stress pulse. Three cases of the strip problem are assumed: (i) isotropic aluminum Al strip and two-layer strips made of (ii) Al and the ceramics Al2O3 and (iii) the ceramics Al2O3 and Al. The analytical method is based on Laplace and Fourier transform. The in-house finite element algorithm and thermodynamic consistent finite volume scheme are employed for computations, while the explicit time stepping procedure is used in both cases. The comparison of analytical and numerical results determines the degree of the accuracy of calculations, which is important for simulation of complex wave propagation problems in general heterogeneous media.

Keywords: Wave propagation; Heterogeneous solids; Analytical solution; Finite element method; Finite volume method; Plane stress problem (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:189:y:2021:i:c:p:126-140

DOI: 10.1016/j.matcom.2020.10.007

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