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タイトル: Nonlinear optimal oil damper design in seismically controlled multi-story building frame
著者: Adachi, F.
Yoshitomi, S.
Tsuji, M.  kyouindb  KAKEN_id
Takewaki, I.  kyouindb  KAKEN_id
著者名の別形: 竹脇, 出
発行日: Jan-2013
出版者: Elsevier Ltd.
誌名: Soil Dynamics and Earthquake Engineering
巻: 44
開始ページ: 1
終了ページ: 13
抄録: The purpose of this paper is to propose a practical method for optimum design of non-linear oil dampers with relief mechanism installed in multi-story framed building structures. The optimum design problem is formulated so as to minimize the maximum interstory drift or maximum acceleration of top-story under design earthquakes in terms of a set of relief forces subject to an inequality constraint on the maximum ratio of the damping force to the relief force and an equality constraint on the sum of relief forces of oil dampers. The proposed method to solve the optimum design problem is a successive procedure which consists of two steps. The first step is a sensitivity analysis by using nonlinear time-history response analyses, and the second step is a modification of the set of relief forces based upon the sensitivity analysis. An advanced reduction method based on static condensation of the frame and energy equivalence transformation of oil dampers is proposed and introduced into the optimum procedure to reduce the computational load. Numerical examples are conducted to demonstrate the effectiveness and validity of the proposed design method.
著作権等: © 2012 Elsevier Ltd.
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。This is not the published version. Please cite only the published version.
URI: http://hdl.handle.net/2433/159444
DOI(出版社版): 10.1016/j.soildyn.2012.08.010
出現コレクション:学術雑誌掲載論文等

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