An improved HSFR method for natural vibration analysis of an immersed cylinder pile with a tip mass

An improved HSFR method for natural vibration analysis of an immersed cylinder pile with a tip mass
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改进的 HSFR 方法用于具有尖端质量的沉管桩自振分析

DOI:
10.1063/2.1202302
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发表时间:
2012
影响因子:
3.4
通讯作者:
Wanchen Yuan
Wanchen Yuan
中科院分区:
工程技术4区
文献类型:
--
作者:
Kai Wei;Wanchen Yuan

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摘要沉管桩通常被模拟为具有桩端质量和转动惯量的悬臂圆柱。本文建立了浸没圆柱桩沿着横向振型的运动方程。公式中包括了水的压缩性和结构阻尼。沉桩的固有频率从开发的方程使用谐波扫描频率响应分析。所提出的方法被应用到数值例子中,所得到的结果是令人满意的,当与文献中的其他数值解相比,或有限元解和实验数据。
Abstract Immersed cylinder piles are usually modelled as immersed cantilever cylinder columns carrying a tip mass and rotary moment of inertia. In this paper, the equations of motion of an immersed cylinder pile along transversal modes of vibration are developed. Compressibility of water and structural damping are included in the formulation. 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.
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