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Near-Resonant Regimes of a Moving Load on a Pre-Stressed Incompressible Elastic Half-Space Cover

Near-Resonant Regimes of a Moving Load on a Pre-Stressed Incompressible Elastic Half-Space

Open Access
|May 2021

Abstract

The article is concerned with the analysis of the problem for a concentrated line load moving at a constant speed along the surface of a pre-stressed, incompressible, isotropic elastic half-space, within the framework of the plane-strain assumption. The focus is on the near-critical regimes, when the speed of the load is close to that of the surface wave. Both steady-state and transient regimes are considered. Implementation of the hyperbolic–elliptic asymptotic formulation for the surface wave field allows explicit approximate solution for displacement components expressed in terms of the elementary functions, highlighting the resonant nature of the surface wave. Numerical illustrations of the solutions are presented for several material models.

DOI: https://doi.org/10.2478/ama-2021-0005 | Journal eISSN: 2300-5319 | Journal ISSN: 1898-4088
Language: English
Page range: 30 - 36
Submitted on: Oct 15, 2020
Accepted on: Apr 19, 2021
Published on: May 15, 2021
Published by: Bialystok University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2021 Askar Kudaibergenov, Askat Kudaibergenov, Danila Prikazchikov, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.