著者

Goto Hiroyuki Sawada Sumio Hirai Toshiyuki

出版者

Elsevier B.V.

雑誌

Wave Motion (ISSN:01652125)

巻号頁・発行日

vol.48, no.7, pp.603-613, 2011-11

被引用文献数

15

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We introduce a new conserved quantity, Normalized Energy Density (NED), alternative to the conventional definition of energy for a layered structure in a 2D SH problem. NED is defined by the average of power of a half transfer function multiplied by the impedance, and the conservation across the material interface is analytically proved for a two-layered case. For three, four, and ten-layered cases, the conservation is examined by applying the Monte Carlo simulation method, and then NED is supposed to be conserved through the layers.