The Numerical Calculation of Vibration Frequency of High Arch Dam Structure on the Condition of Earthquake

Ke Feng Zhang; Zhi Xiang Cao; Zheng Bing Xia

doi:10.4028/www.scientific.net/AMM.170-173.2188

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 170-173The Numerical Calculation of Vibration Frequency...

The Numerical Calculation of Vibration Frequency of High Arch Dam Structure on the Condition of Earthquake

Abstract:

The dynamic response mechanism of the high arch dam structure is very complicated under the strong earthquake, based on the theory of stochastic dynamics analysis, starting from the basic dynamics equations of structure, the mathematical model of natural frequency of the structure is established by considering random variable of dynamic role of water pressure, earthquake ground acceleration and elastic modulus of the structure. The model numerical results show that the natural frequency of average value and coefficient of variation have a certain correlation and the common characteristics of random is affected by random input variable, and the different vibration mode has average value and coefficient of variation, and the average value of variation has a certain change rule, but coefficient of variation changes small.

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Periodical:

Applied Mechanics and Materials (Volumes 170-173)

Pages:

2188-2192

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.170-173.2188

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Online since:

May 2012

Authors:

Ke Feng Zhang, Zhi Xiang Cao, Zheng Bing Xia

Keywords:

Additional Mass Matrix, High Arch Dam, Numerical Calculation, Vibration Frequency

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