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	SH surface waves in a half space with random heterogeneities
	Du, Chaoliang ; Su, Xianyue
	2011
英文摘要	Horizontally polarized shear waves (SH waves) do not exist in a homogeneous half space according to the traditional elastic wave theory. However, in this study, we proved both theoretically and numerically that there will be surface waves in a half space which has small, random density, but the mean value of the density is homogeneous. Historically, this type of half space is often treated as a homogeneous one with deterministic methods. In this investigation, a closed-form dispersion equation was derived stochastically, and the frequency spectrum, dispersion equation, phase/group velocity were plotted numerically to study how the random inhomogeneities will affect the dispersion properties of the half space with random density. This research may find its application in seismology, non-destructive test/evaluation, etc.; EI; 0
语种	英语
内容类型	会议论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/316905]
专题	工学院
推荐引用方式 GB/T 7714	Du, Chaoliang,Su, Xianyue. SH surface waves in a half space with random heterogeneities[C]. 见:.

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