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Basic Study on Vibrational Behavior of Piping Systems Supported by Elasto-Plastic Damper With Gap Support

[+] Author Affiliations
Keishi Tsujita, Atsuhiko Shintani, Tomohiro Ito, Chihiro Nakagawa

Osaka Prefecture University, Sakai, Osaka, Japan

Paper No. PVP2014-28283, pp. V008T08A047; 6 pages
  • ASME 2014 Pressure Vessels and Piping Conference
  • Volume 8: Seismic Engineering
  • Anaheim, California, USA, July 20–24, 2014
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-4607-0
  • Copyright © 2014 by ASME


In this study, the vibrational behavior of piping systems supported by elasto-plastic dampers with gap supports was considered. First, an analytical model of L-type piping systems subjected to sinusoidal input was derived, including nonlinear characteristics of the elasto-plastic dampers and gap supports. Next, a numerical simulation was performed to verify the effect of the gap support on the piping system. The effect of the input characteristics on the response behavior of the piping system was investigated.

Copyright © 2014 by ASME



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