An experimental and theoretical study of shock-induced surface waves in porous boreholes

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Abstract

Surface wave modes in a water-filled borehole surrounded by a poroelastic medium are studied. Numerical and experimental results are presented for the dispersion relation of shock-induced surface waves in a borehole in a confined formation in a broad band of frequencies (1-50 kHz). Theoretically, it is shown that permeability affects considerably both the phase velocity and damping coefficient of the pseudo-Stoneley wave. Experimentally, a vertical shock tube is used to excite pseudo-Stonele and pseudo-Rayleigh waves as wel as the bulk compressional wave. Qualitative agreement between experiment and theory is obtained.
Original languageEnglish
Title of host publicationProceedings of the 24th International Symposium in Shock Waves, 11-16 July 2004, Beijing, China
EditorsZ. Jiang
Place of PublicationBerlin
PublisherSpringer
Pages1043-1048
ISBN (Print)978-3-540-22497-6
DOIs
Publication statusPublished - 2005

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Chao, G. E., Smeulders, D. M. J., & Dongen, van, M. E. H. (2005). An experimental and theoretical study of shock-induced surface waves in porous boreholes. In Z. Jiang (Ed.), Proceedings of the 24th International Symposium in Shock Waves, 11-16 July 2004, Beijing, China (pp. 1043-1048). Berlin: Springer. https://doi.org/10.1007/978-3-540-27009-6_160