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An improved HSFR method for natural vibration analysis of an immersed cylinder pile with a tip mass
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作者 Kai Wei Wancheng Yuan +1 位作者 Najib Bouaanani Chih-Chen Chang 《Theoretical & Applied Mechanics Letters》 2012年第2期72-75,共4页
Immersed cylinder piles are usually modelled as immersed carrying a tip mass and rotary moment of inertia. In this paper, an immersed cylinder pile along transversal modes of vibration are of water and structural damp... Immersed cylinder piles are usually modelled as immersed carrying a tip mass and rotary moment of inertia. In this paper, an immersed cylinder pile along transversal modes of vibration are of water and structural damping are included in the formulation. cantilever cylinder columns the equations of motion of developed. Compressibility Natural frequencies of the immersed pile are obtained from the developed equations using harmonic sweep frequency response analyses. The proposed method is applied to numerical examples, and the results obtained are shown satisfactory when compared to other numerical solutions in the literature, or to finite element solutions and experimental data. 展开更多
关键词 vibration analysis cylinder pile fluid-structure interaction sweep frequency responsemethod tip mass and moment of inertia
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递归响应法对磁流变阻尼结构的时滞补偿 被引量:1
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作者 石岩 吴斌 《福建工程学院学报》 CAS 2012年第1期17-20,共4页
控制系统中的时滞现象是影响控制效果的不可忽视的因素。文章采用递归响应法对磁流变阻尼控制系统的算法进行仿真计算,分析在不同情况下递归响应法对磁流变阻尼控制系统的时滞补偿效果,并与主动控制系统进行比较。结果表明,递归响应法... 控制系统中的时滞现象是影响控制效果的不可忽视的因素。文章采用递归响应法对磁流变阻尼控制系统的算法进行仿真计算,分析在不同情况下递归响应法对磁流变阻尼控制系统的时滞补偿效果,并与主动控制系统进行比较。结果表明,递归响应法对磁流变阻尼控制系统有一定的补偿效果,对主动控制系统效果更加显著。 展开更多
关键词 磁流变阻尼控制 时滞 递归响应法 时滞补偿
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