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dc.contributor.authorTang, Liguo
dc.contributor.author汤立国
dc.contributor.authorLiu, Shengxing
dc.contributor.author刘胜兴
dc.date.accessioned2011-05-27T12:11:35Z
dc.date.available2011-05-27T12:11:35Z
dc.date.issued2009-03-10
dc.identifier.citationPROGRESS IN NATURAL SCIENCE,2009,19(3):313-320zh_CN
dc.identifier.issn1002-0071
dc.identifier.urihttp://dx.doi.org/doi:10.1016/j.pnsc.2008.06.015
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/9205
dc.description.abstractGuided elastic-wave-inspection technique for hollow cylinders has received plenty of attention in recent years because of its high efficiency and low cost. To apply guided elastic waves to defects detection, it is necessary to investigate the propagation of guided waves in the hollow cylinders under all kinds of boundary conditions. In this paper, the dispersion equations of torsional, longitudinal and flexural guided waves in the hollow cylinders with traction-free and clamped lateral boundaries are derived by elastodynamic theory, based on which the phase and group velocity dispersion curves of the guided waves mentioned above are obtained. And the dispersion properties of these waves are discussed in detail. The transient wave in a free-clamped hollow cylinder is simulated by the finite element method (FEM). The time-frequency distribution of the transient wave agrees well with the theoretical group velocity dispersion curves. (C) 2008 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.zh_CN
dc.description.sponsorshipNational Natural Science Foundation of China [10704064]zh_CN
dc.language.isoenzh_CN
dc.publisherELSEVIER SCIENCE INCzh_CN
dc.subjectGuided elastic waveszh_CN
dc.subjectFree-clamped hollow cylinderszh_CN
dc.subjectDispersionzh_CN
dc.titleGuided elastic waves in infinite free-clamped hollow cylinderszh_CN
dc.typeArticlezh_CN


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