This paper deals with nonlinear vibration characteristics of a continuum system with collision phenomena under random waves with gaps. In order to investigate such a nonlinear vibration characteristic, an experimental apparatus consisting of a nonlinear vibration system was made. Moreover, we propose an analytical model based on the restoring force characteristics of the experiments. In this report, the size of the gap between a mass and a plate is set to 0.5mm or 1.0mm. For this experimental model we also propose an analytical model. We use plates of 1.6mm thickness in the collisions both in the experiment and the analysis. The analytical model is based on an elasto-plasticity solid model. When considering the coefficients of restitution or energy absorption, the experimental results nearly agree with the analytical results [10]. We found that the rate of a collision changes with the size of the gap at each input acceleration level. As the gap size widens, energy absorption decreases for each input acceleration level. Consequently, in order to increase the energy absorption, it becomes necessary to increase the rate of the collision.
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ASME 2005 Pressure Vessels and Piping Conference
July 17–21, 2005
Denver, Colorado, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4193-6
PROCEEDINGS PAPER
Evaluation of Energy Absorption in Nonlinear Vibration System With Gaps
Masanori Shintani,
Masanori Shintani
University of Fukui, Fukui-shi, Fukui, Japan
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Hiroyuki Ikuta,
Hiroyuki Ikuta
NTN Bearing Corporation, Kuwana-shi, Mie, Japan
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Hajime Takada
Hajime Takada
Yokohama National University, Yokohama, Kanagawa, Japan
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Masanori Shintani
University of Fukui, Fukui-shi, Fukui, Japan
Hiroyuki Ikuta
NTN Bearing Corporation, Kuwana-shi, Mie, Japan
Hajime Takada
Yokohama National University, Yokohama, Kanagawa, Japan
Paper No:
PVP2005-71428, pp. 197-202; 6 pages
Published Online:
July 29, 2008
Citation
Shintani, M, Ikuta, H, & Takada, H. "Evaluation of Energy Absorption in Nonlinear Vibration System With Gaps." Proceedings of the ASME 2005 Pressure Vessels and Piping Conference. Volume 8: Seismic Engineering. Denver, Colorado, USA. July 17–21, 2005. pp. 197-202. ASME. https://doi.org/10.1115/PVP2005-71428
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