随机激励作用下悬浮隧道锚索的振动响应

孙胜男; 苏志彬

doi:10.6052/j.issn.1000-4750.2011.04.0234

随机激励作用下悬浮隧道锚索的振动响应

(聊城大学建筑工程学院，山东，聊城 252059)

基金项目: 国家自然科学基金项目(51108224)；山东省优秀中青年科学家科研奖励基金项目(BS2010HZ005)

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通讯作者:
苏志彬

中图分类号: U459.5
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- 文章访问数: 1455
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出版历程
- 收稿日期: 2011-04-18
- 修回日期: 2011-07-03
- 刊出日期: 2013-03-24

VIBRATION RESPONSE OF SUBMERGED FLOATING TUNNEL TETHER SUBJECTED TO RANDOM EXCITATION

(School of Architecture & Civil Engineering, Liaocheng University, Liaocheng, Shandong 252059, China)

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Corresponding author:
SU Zhi-bin: Zhi-bin Su

摘要

摘要: 为了研究水下悬浮隧道锚索在随机激励作用下的响应，考虑锚索的垂度效应，建立水下悬浮隧道锚索非线性随机振动方程，采用蒙特卡罗数值模拟法对随机激励作用下锚索的振动响应进行研究。研究结果表明：在零均值高斯白噪声激励作用下锚索的位移和速度均方根响应经过一定时间后将趋于定值；随着激励荷载均方根的增大，锚索位移和速度均方根响应也随之增大；由于水体阻尼力的作用，锚索的位移和速度均方根响应比空气中的锚索大幅减小。
- 海洋工程 /
- 悬浮隧道 /
- 水中锚索 /
- 随机振动 /
- 垂度 /
- 蒙特卡罗法
Abstract: To study the vibration response of a submerged floating tunnel tether subjected to a random excitation, a non-linear random vibration equation of the tether is set up by taking the sag of the tether into account, which is analyzed by the Monte Carlo method. It may be concluded that, the displacement and velocity root mean square response of the tether subjected to a zero-mean Gaussian white noise excitation tends to be a fixed value after a certain period of time; the displacement and velocity root mean square response of the tether increases with the root mean square of excitation; due to the damping force of water, the displacement and velocity root mean square response of the tether decreases rapidly compared with that of a tether in air.
- ocean engineering /
- submerged floating tunnel /
- submarine tenders /
- random vibration /
- sag /
- Monte Carlo methods

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参考文献(11)

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随机激励作用下悬浮隧道锚索的振动响应

通讯作者: 苏志彬

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出版历程

VIBRATION RESPONSE OF SUBMERGED FLOATING TUNNEL TETHER SUBJECTED TO RANDOM EXCITATION

Corresponding author: SU Zhi-bin: Zhi-bin Su

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通讯作者:
苏志彬

Corresponding author:
SU Zhi-bin: Zhi-bin Su