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  1. 紀要論文
  2. 琉球大学工学部紀要
  3. 59号
  1. 部局別インデックス
  2. 工学部

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/20.500.12000/2220
5bfb87a7-fe31-4240-a8a8-0673772bc7f1
名前 / ファイル ライセンス アクション
No59p39.pdf No59p39.pdf
Item type デフォルトアイテムタイプ(フル)(1)
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
作成者 筒井, 茂明

× 筒井, 茂明

ja 筒井, 茂明

Tsutsui, Shigeaki

× Tsutsui, Shigeaki

en Tsutsui, Shigeaki

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
言語 en
主題Scheme Other
主題 Finite element method
言語 en
主題Scheme Other
主題 Unbounded wave problems
言語 en
主題Scheme Other
主題 Nonlinear waves
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
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