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沿岸開領域における非線形波動解析のための新しい無限要素(第2報)-高次無限要素と誤差評価-
http://hdl.handle.net/20.500.12000/2220
http://hdl.handle.net/20.500.12000/22205bfb87a7-fe31-4240-a8a8-0673772bc7f1
名前 / ファイル | ライセンス | アクション |
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No59p39.pdf
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Item type | デフォルトアイテムタイプ(フル)(1) | |||||||||
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公開日 | 2007-10-28 | |||||||||
タイトル | ||||||||||
タイトル | 沿岸開領域における非線形波動解析のための新しい無限要素(第2報)-高次無限要素と誤差評価- | |||||||||
言語 | ja | |||||||||
タイトル | ||||||||||
タイトル | New Infinite Element for Nonlinear Wave Analyses in Unbounded Coastal Domains Part 2. - Higher Order Infinite Element and Error Estimate - | |||||||||
言語 | en | |||||||||
作成者 |
筒井, 茂明
× 筒井, 茂明
× Tsutsui, Shigeaki
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アクセス権 | ||||||||||
アクセス権 | open access | |||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||
主題 | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Infinite element | |||||||||
主題 | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Finite element method | |||||||||
主題 | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Unbounded wave problems | |||||||||
主題 | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Nonlinear waves | |||||||||
主題 | ||||||||||
言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | Mapping | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | Treatment of the radiation boundary condition at infinity is of great significance for wave analyses in unbounded coastal domains. The higher order infinite element for the finite element method is newly developed in order to improve accuracy rather than that by the linear infinite element presented in this series of researches. The shape functions for function variation are third-order polynomials in the radial coordinate and the variation in the angular coordinate is linear. The element has three novel features. First, the mapping for function variation is able to perform the radiation boundary condition up to r-^3m, r being the radial distance and m = 1/2 for wave problems. The second feature is easiness in connecting the infinite element to the interior, standard elements. The third one is an integrable feature over the element with the aid of the infinite mapping. As a test of the new, third-order infinite element, the problem of wave diffraction by a cylinder is solved, along with a comparison with the analytical solution and with numerical results obtained using other finite elements. Numerical error assessment shows efficiency of the new infinite element. | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | 紀要論文 | |||||||||
出版者 | ||||||||||
言語 | ja | |||||||||
出版者 | 琉球大学工学部 | |||||||||
言語 | ||||||||||
言語 | jpn | |||||||||
資源タイプ | ||||||||||
資源タイプ | departmental bulletin paper | |||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||
出版タイプ | ||||||||||
出版タイプ | VoR | |||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
識別子 | ||||||||||
識別子 | http://hdl.handle.net/20.500.12000/2220 | |||||||||
識別子タイプ | HDL | |||||||||
収録物識別子 | ||||||||||
収録物識別子タイプ | ISSN | |||||||||
収録物識別子 | 0389-102X | |||||||||
収録物識別子 | ||||||||||
収録物識別子タイプ | NCID | |||||||||
収録物識別子 | AN0025048X | |||||||||
収録物名 | ||||||||||
言語 | ja | |||||||||
収録物名 | 琉球大学工学部紀要 | |||||||||
書誌情報 |
号 59, p. 39-51 |