https://scholars.lib.ntu.edu.tw/handle/123456789/606442
標題: | On the characterization of nonradiating sources for the elastic waves in anisotropic inhomogeneous media | 作者: | Kow P.-Z Wang J.-N. JENN-NAN WANG |
關鍵字: | Elastic waves;Nonradiating sources;Surface sources;Volume sources;Anisotropy;Explicit formula;Inhomogeneous media;Scattered waves;Single frequency | 公開日期: | 2021 | 卷: | 81 | 期: | 4 | 起(迄)頁: | 1530-1551 | 來源出版物: | SIAM Journal on Applied Mathematics | 摘要: | In this paper, we would like to characterize nonradiating volume and surface (faulting) sources for the elastic waves in anisotropic inhomogeneous media. Each type of source can be decomposed into a radiating part and a nonradiating part. The radiating part can be uniquely determined by an explicit formula containing the near-feld measurements. On the other hand, the nonradiating part does not induce scattered waves at a certain frequency. In other words, such nonradiating source cannot be detected by measuring the feld at a single frequency in a region outside of the domain where the source is located. ? 2021 Society for Industrial and Applied Mathematics Publications. All rights reserved. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85112410684&doi=10.1137%2f20M1386293&partnerID=40&md5=6c9efc1125651d8246a330604122e422 https://scholars.lib.ntu.edu.tw/handle/123456789/606442 |
ISSN: | 00361399 | DOI: | 10.1137/20M1386293 |
顯示於: | 應用數學科學研究所 |
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