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Title: Ground vibrations from tracked vehicles: theory and applications
Authors: Krylov, Victor V.
Keywords: Ground vibrations
Seismic signatures
Tracked military vehicles
Green’s function method
Issue Date: 2011
Publisher: Catholic University of Leuven
Citation: KRYLOV, V.V., 2011. Ground vibrations from tracked vehicles: theory and applications. IN: DE ROECK, G. ... et al. (eds.) Proceedings of the 8th International Conference on Structural Dynamics (EURODYN 2011), Leuven, Belgium, 4 - 6 July, pp. 762 - 769.
Abstract: Over the last decade, much of attention was paid to the use of traffic-induced ground vibrations for the purposes of remote detection and monitoring of heavy military vehicles, such as tanks and armoured personnel carriers. A promising method of detection and identification is the one using the information extracted from ground vibration spectra generated by heavy military vehicles, often termed as their seismic signatures. The aim of the present work is to discuss the analytical approach to the prediction and interpretation of ground vibration spectra from heavy military vehicles. The analysis in this work is limited to tracked vehicles only. The modelling of track periodic irregularities (discontinuities) is considered from the point of view of their effect on the resulting dynamic forces applied from a vehicle to the ground and on the generated ground vibration spectra. Also, the effects of layered ground structure and of changes in wheel tyre compliance are considered for different values of ground and tyre parameters. It is shown that the obtained ground vibration spectra contain clearly identifiable peaks at frequencies associated with some characteristic vehicle parameters, such as track periodicity, distance between the nearest wheel axes, and vehicle speed. Although the relative amplitudes of these peaks vary with changes in layered structure, track irregularity profile, or tyre compliance, their positions on the frequency axis are robust and depend on track periodicity, distance between the nearest wheel axes, and vehicle speed only. A discussion follows on possible use of these spectral peaks for determination of these vehicle parameters and thus for vehicle identification.
Description: This paper was presented at the Eighth International Conference on Structural Dynamics EURODYN 2011, Leuven, Belgium, 4 - 6 July 2011 (http://www.eurodyn2011.org/).
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/9802
Publisher Link: http://www.eurodyn2011.org/
ISBN: 9789076019314
Appears in Collections:Conference Papers and Presentations (Aeronautical and Automotive Engineering)

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