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  1. 防災科研関係論文

Exact higher-order sensitivity and variation of earthquake energy input in soil-structure interaction system

https://nied-repo.bosai.go.jp/records/5130
https://nied-repo.bosai.go.jp/records/5130
2dbdabe4-395a-468f-86cf-64010be181a8
Item type researchmap(1)
公開日 2023-03-30
タイトル
言語 en
タイトル Exact higher-order sensitivity and variation of earthquake energy input in soil-structure interaction system
言語
言語 eng
著者 Akiko Kishida

× Akiko Kishida

en Akiko Kishida

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Izuru Takewaki

× Izuru Takewaki

en Izuru Takewaki

Search repository
抄録
内容記述タイプ Other
内容記述 The energy input to a soil-structure interaction (SSI) system during an earthquake is an important measure of seismic demand. It is formulated here in the frequency domain. Exact higher-order sensitivities of the input energy to the SSI system are derived with respect to uncertain soil stiffness and damping parameters. It is shown that the input energy can be derived in a compact form through the frequency integration of the product between the ground-motion input component and the structural model component. By taking full advantage of this compact form, it is demonstrated that the formulation of earthquake input energy in the frequency domain is essentially appropriate for deriving the exact higher-order sensitivities of the input energy to the SSI system with respect to the uncertain parameters. The exact higher-order sensitivities facilitate to express the input energy variation due to uncertainty of ground stiffness and damping, and to find the most unfavorable combination of the uncertain parameters leading to the maximum energy input.
言語 en
書誌情報 en : ADVANCES IN STRUCTURAL ENGINEERING

巻 9, 号 5, p. 653-669
出版者
言語 en
出版者 MULTI SCIENCE PUBL CO LTD
ISSN
収録物識別子タイプ ISSN
収録物識別子 1369-4332
DOI
関連識別子 10.1260/136943306778827574
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