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離散 wavelet 変換による選点法境界要素解析の効率化
http://hdl.handle.net/10191/4883
http://hdl.handle.net/10191/48830fccae13-3fba-48d6-8ebc-524dab0e09ff
名前 / ファイル | ライセンス | アクション |
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jsceam1999.pdf (718.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-06-21 | |||||
タイトル | ||||||
タイトル | 離散 wavelet 変換による選点法境界要素解析の効率化 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | 離散 wavelet 変換による選点法境界要素解析の効率化 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Boundary element method | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Haar wavelet | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | discrete wavelet transform | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
紅露, 一寛
× 紅露, 一寛× 阿部, 和久× 田崎, 浩章 |
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著者別名 | ||||||
識別子 | 39323 | |||||
識別子Scheme | WEKO | |||||
姓名 | Koro, Kazuhiro | |||||
著者別名 | ||||||
識別子 | 39324 | |||||
識別子Scheme | WEKO | |||||
姓名 | Abe, Kazuhisa | |||||
著者別名 | ||||||
識別子 | 39325 | |||||
識別子Scheme | WEKO | |||||
姓名 | Tazaki, Hiroaki | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Wavelets are employed in the boundary element analysis. A wavelet BEM provides a sparse coefficient matrix by truncating a small value in the matrix entries based on a specified threshold. In discretization process, the collocation method requires the wavelets as bases of an approximate solution, while the Galerkin method requires wavelets not only as bases of numerical solution but as weighting functions. The wavelet BEM is usually derived by the Galerkin method because of high sparsity and good condition of the matrix. However the Galerkin method requires double integration on the boundary. Therefore, in conventional BEMs, the discretized equations are derived based on the collocation method. In this study, improvement of the wavelet collocation BEM is attempted by applying the discrete wavelet transform to the system matrix. Through numerical examples, comparison of performance of the proposed method with the collocation and Galerkin methods is carried out and the validity of the method is investigated. | |||||
書誌情報 |
応用力学論文集 en : 応用力学論文集 巻 2, p. 153-162, 発行日 1999-08 |
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出版者 | ||||||
出版者 | 土木学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13459139 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11311063 | |||||
著者版フラグ | ||||||
値 | publisher |