吉林大学学报(工学版) ›› 2000, Vol. ›› Issue (3): 87-90.

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Calculation of Steady Self Excitation Response of Long Span Plate Gate

YANG Min1, CHEN Ge-qiang2   

  1. 1. Tianjin University, Tianjin 300072, China;
    2. Zhejiang Water Conservancy & Hydropower College, Hangzhou 310016, China
  • Received:1999-08-16 Online:2000-07-25

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Abstract: The differential equation of long span plate of flexual vibration is established in this paper.The parameters in the equation are determined by the model experiment.The calculation results indicate that the mathematical model can accordingly represent the intrinsic mechanism of the self excited vibration.It is useful for determining the characteristics of long-span plate gate vibration of an engineering structure.

Key words: long-span plate gate, nonlinear oscillator, steady self-excited response

CLC Number: 

  • TV663+.1
[1] Ishii,Knisely.Flow-induced vibration of shell-type long-spangate［J］.Journal of Fluids and Structures,1992,6:681～703.
[2] Thang Lin,Naudascher.Flexural streamwise vibration of gate plates under vortex action［Z］.International Conference on Flow Induced Vibrations,Bowness-on-Windermere.England,1987.
[3] Jongeling.Flow-induced self-excited in-flow vibrations gate plates［J］.Journal of Fluids and Structres,1988,2:541～566.
[4] Thang.Gate vibrations due to unstable flow separation［J］.ASCE,Journal of Hydraulic Engineering,1990,116(3).
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