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Developability conditions for prestress optimization of a curved surface
https://nied-repo.bosai.go.jp/records/4420
https://nied-repo.bosai.go.jp/records/4420c4d96719-091f-447e-b471-9a8eef2a1789
Item type | researchmap(1) | |||||||||||||
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公開日 | 2023-03-30 | |||||||||||||
タイトル | ||||||||||||||
言語 | ja | |||||||||||||
タイトル | Developability conditions for prestress optimization of a curved surface | |||||||||||||
タイトル | ||||||||||||||
言語 | en | |||||||||||||
タイトル | Developability conditions for prestress optimization of a curved surface | |||||||||||||
著者 |
M. Ohsaki
× M. Ohsaki
× J. Fujiwara
|
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抄録 | ||||||||||||||
内容記述タイプ | Other | |||||||||||||
内容記述 | Developability conditions are presented for prestressed curved surfaces to be reduced to plane sheets by relaxing the stresses. Those conditions are applied to an optimization problem for minimizing the deviation of stresses from the target values. Two formulations based on the displacements defined by the local and global coordinates of finite elements are presented. It is shown that the numbers of constraints by those formulations are same if triangular elements are used, and there is an upper bound in the number of the elements in a cutting sheet. Performances of the two formulations are compared in the numerical examples, and the local formulation is shown to lead to more accurate estimation of stresses that are actually generated by connecting and stretching the plane sheets. © 2002 Elsevier Science B.V. All rights reserved. | |||||||||||||
言語 | ja | |||||||||||||
抄録 | ||||||||||||||
内容記述タイプ | Other | |||||||||||||
内容記述 | Developability conditions are presented for prestressed curved surfaces to be reduced to plane sheets by relaxing the stresses. Those conditions are applied to an optimization problem for minimizing the deviation of stresses from the target values. Two formulations based on the displacements defined by the local and global coordinates of finite elements are presented. It is shown that the numbers of constraints by those formulations are same if triangular elements are used, and there is an upper bound in the number of the elements in a cutting sheet. Performances of the two formulations are compared in the numerical examples, and the local formulation is shown to lead to more accurate estimation of stresses that are actually generated by connecting and stretching the plane sheets. © 2002 Elsevier Science B.V. All rights reserved. | |||||||||||||
言語 | en | |||||||||||||
書誌情報 |
ja : Computer Methods in Applied Mechanics and Engineering en : Comp. Meth. Appl. Mech. Engng. 巻 192, p. 77-94 |
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ISSN | ||||||||||||||
収録物識別子タイプ | ISSN | |||||||||||||
収録物識別子 | 0045-7825 | |||||||||||||
DOI | ||||||||||||||
関連識別子 | 10.1016/S0045-7825(02)00523-6 |