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The Polarization of Waves in an Anisotropic Nonlinear-Elastic Medium
https://doi.org/10.15083/0000032736
https://doi.org/10.15083/0000032736f60a9f76-24b5-410c-97f8-85e6c6b3ddfd
名前 / ファイル | ライセンス | アクション |
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ji0671001.pdf (1.1 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-30 | |||||
タイトル | ||||||
タイトル | The Polarization of Waves in an Anisotropic Nonlinear-Elastic Medium | |||||
言語 | en | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15083/0000032736 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | 非線形異方性媒質における波の偏光 | |||||
著者 |
Momoi, Takao
× Momoi, Takao |
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著者別名 | ||||||
識別子 | 127162 | |||||
識別子Scheme | WEKO | |||||
姓名 | 桃井, 高夫 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In an anisotropic linear-elastic medium, polarization of waves due to anisotropy of the medium is known to occur. In a way similar to phenomena in an anisotropic linear-elastic medium, polarization of waves takes place even in an anisotropic nonlinear-elastic medium. Polarized waves in a nonlinear-elastic medium are also soliton-like or step-shaped waves named simple waves. In an isotropic nonlinear-elastic medium, the simple waves are separated into two categories, non-coupled and coupled simple waves. The former are dilatational waves, while the latter are coupled waves with dilatational (u-component) and distorsional (v- and w-components) properties, where u and {v, w} are longitudinal and transverse components, respectively. In the case of anisotropic nonlinear-elastic medium, two kinds of simple waves mentioned above also appear with some modification due to the presence of anisotropy. The secondary waves produced by anisotropy are exact simple waves instead of only disturbance-type waves. Equations are numerically evaluated by use of an extended finite difference method expanded in a Taylor series. The wave source then has the form of a mountain ridge with a width -4<hx<4, where hx is a distance x normalized by wave number h of P waves in the linear theory. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 線形の異方性媒質におけると同様に非線形異方性媒質においてもまた波の偏光がみられる.非線形等方性媒質において単純波(Simple waves)は二つの部類に分けられる,すなわち非結合単純波(Noncoupled simple waves)および結合単純波(Coupled simple waves)である.前者は伸縮波(u成分)で後者はねじれ波(v,w成分)である. | |||||
書誌情報 |
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo 巻 67, 号 1, p. 1-20, 発行日 1992-06-30 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00408972 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00162258 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
日本十進分類法 | ||||||
主題 | 453 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | 東京大学地震研究所 | |||||
出版者別名 | ||||||
Earthquake Research Institute, University of Tokyo |