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Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
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Author | Taniguchi, Tomoyo Nishiraku, Hiroki Ono, Yusuke |
Copyright Year | 2016 |
Abstract | This study develops a new analytical method for evaluating maximum elasto-plastic displacement of multi-degree-of-freedom (MDOF) oscillators under the action of base excitation based on a modal combination. The essence is that modal frequencies, shapes and damping during yielding of any member of the MDOF oscillators are readily specified by the modal analysis with the secondary stiffness of the members being yielded. In addition, assuming that a bilinear hysteresis may describe the force-displacement relationship of each mode, an equivalently linearized system consisting of a single-degree-of-freedom (SDOF) oscillator is introduced to approximate maximum elsato-plastic displacement of each mode. Employing the SRSS-rule, the maximum elasto-plastic displacement of the MDOF oscillator subjected to Kobe-NS accelerogram is calculated and compared with that computed by the commercial software. Applicability of the proposed method to evaluating maximum elasto-plastic displacement of the MDOF oscillator is thoroughly discussed. |
Sponsorship | Pressure Vessels and Piping Division |
File Format | |
ISBN | 9780791850466 |
DOI | 10.1115/PVP2016-63865 |
Volume Number | Volume 8: Seismic Engineering |
Conference Proceedings | ASME 2016 Pressure Vessels and Piping Conference |
Language | English |
Publisher Date | 2016-07-17 |
Publisher Place | Vancouver, British Columbia, Canada |
Access Restriction | Subscribed |
Subject Keyword | Damping Modal analysis Computer software Stiffness Excitation Shapes Displacement |
Content Type | Text |
Resource Type | Article |
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