In this paper, an analytical model for the nonlinear elastic-plastic vibration for long plates with gaps subjected to random vibrations is considered. The nonlinear vibration is caused by the collision phenomena between a mass through a gap and plates with thickness of 0.5, 0.6, and 0.8 mm. An elastic perfectly plastic solid material is assumed in some cases, which adds another aspect to the nonlinear behavior of the system. The material characteristic of the steel is assumed to be an elasto-plasticity solid model. A restoring force characteristic is obtained as the nonlinear vibration of a cubic equation for 0.5, 0.6, and 0.8 mm, the thickness of the plates by experiments. Now the analytical model is proposed by the elasto-plasticity solid model. The relation between the displacement and the force is described by a complicated equation. The curve from the analytical model is called a deflection curve. The results by the analytical model are compared with the results by the experimental model. The restoring force characteristics by the analysis agree with those of the experiment. The restoring force characteristics of the analysis are described using cubic equations. The simple analysis model for evaluation of the vibration characteristic of the nonlinear vibration system, which performs collision vibration with gaps, is proposed by elasto-plasticity solid model in this paper. The results of this proposed analytical model agree with the experimental results better than the results of the minimum of error of square.
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November 2004
Research Papers
Study on Analytical Model of Nonlinear Vibration for Elastic Plates With Gaps Under Random Waves
Masanori Shintani,
Masanori Shintani
Fukui University, 9-1, Bunkyo 3-Chome, Fukui-shi, Fukui 910-8507, Japan
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Manabu Hamai
Manabu Hamai
TOHO Tenax, Takafusaugawanoue, Kitajimatyo, Itano-gun, Tokushima 771-0286, Japan
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Masanori Shintani
Fukui University, 9-1, Bunkyo 3-Chome, Fukui-shi, Fukui 910-8507, Japan
Manabu Hamai
TOHO Tenax, Takafusaugawanoue, Kitajimatyo, Itano-gun, Tokushima 771-0286, Japan
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division November 8, 2002; revision received October 2, 2003. Associate Editor: G. C. Slagis.
J. Pressure Vessel Technol. Nov 2004, 126(4): 504-509 (6 pages)
Published Online: December 1, 2004
Article history
Received:
November 8, 2002
Revised:
October 2, 2003
Online:
December 1, 2004
Citation
Shintani, M., and Hamai, M. (December 1, 2004). "Study on Analytical Model of Nonlinear Vibration for Elastic Plates With Gaps Under Random Waves ." ASME. J. Pressure Vessel Technol. November 2004; 126(4): 504–509. https://doi.org/10.1115/1.1689359
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