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SHAPE OPTIMIZATION OF SHELL AND SPATIAL STRUCTURE FOR SPECIFIED STRESS DISTRIBUTION
https://doi.org/10.18999/memsenu.50.1
https://doi.org/10.18999/memsenu.50.13502ba41-3bb3-43a2-ab17-8a30276d5e7a
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2020-10-05 | |||||
タイトル | ||||||
タイトル | SHAPE OPTIMIZATION OF SHELL AND SPATIAL STRUCTURE FOR SPECIFIED STRESS DISTRIBUTION | |||||
言語 | en | |||||
著者 |
OHMORI, Hiroshi
× OHMORI, Hiroshi× YAMAMOTO, Kenji |
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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 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | shape optimization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | sensitivity analysis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | shell | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | space structure | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | space frame | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | bending moment | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | nonlinear programing | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | sequential programing method | |||||
抄録 | ||||||
内容記述 | Shells and spatial structures are adopted for construction of large span structures in which a large space is realized without columns as the structural components. In those cases, the structures are expected to resist against various design loads mainly through their extremely strong capability which can be acquired through in-plane or membrane stress resultants and this is just the reason by which they themselves stand for external loads without columns as their structural components in the large span structures. Up to this time, shells and spatial structures have been frequently adopted as a structure which can realize large span constructions, where, however, purely geometrical shapes like spheres, cylinders and their parts have been adopted as their structural forms. It can be said relatively easy to handle purely geometrical shapes from the view-point of both structural analysis and construction design, where, however, we have to handle bending stress resultants which are inevitably accompanied with especially in the vicinity of their supporting boundaries. From the view point as mentioned above about the mechanical characteristics of shell and spatial structure, it would be consistent if we could have those bending stresses rationally treated not through cheap tricks like addition of shell thickness but some essential treatments which are originated from the investigation of the forms themselves of the structures. In the present work, direct treatment method of stress distribution in shells and spatial structures are shown, which enables us to obtain approximately bending free structural forms. Numerical calculation has been carried out for both axisymmetric shells and spatial structures, where effectiveness of this method has been clearly shown and mechanical characteristics of the obtained surface of both shells and spaIn the present work, direct treatment method of stress distribution in shells and spatial structures are shown, which enables us to obtain approximately bending free structural forms. Numerical calculation has been carried out for both axisymmetric shells and spatial structures, where effectiveness of this method has been clearly shown and mechanical characteristics of the obtained surface of both shells and spatial structures are discussed as well. Finally, some feasibility studies adopting RC shells as an example are also shown. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | School of Engineering, Nagoya University | |||||
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 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
ID登録 | ||||||
ID登録 | 10.18999/memsenu.50.1 | |||||
ID登録タイプ | JaLC | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0919-0805 | |||||
書誌情報 |
en : Memoirs of the School of Engineering, Nagoya University 巻 50, p. 1-32, 発行日 1999-03-27 |
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著者版フラグ | ||||||
値 | publisher |