The vortex-induced vibration is a well-known problem in mechanics.
流动引起的振动问题是力学上比较著名的问题。
Then the vortex-induced vibration response of cables is calculated.
从而计算拖缆的涡激振动响应。
This paper studies the calculation of vortex-induced responses of Bridges by finite element models.
本文研究用有限元法计算桥梁涡激振动的时程响应。
The prediction of vortex-induced vibration is very important for design of slender marine structures in deep water.
涡激振动预报对于 深水环境中的细长海洋结构物的设计至关重要。
The prediction of vortex-induced vibration is very important for the design of slender marine structures in deep water.
涡激振动响应预报对于深水海洋结构物的设计是非常重要的。
The main form of the rod wind vibration is crosswind vibration, called the vortex-induced vibration according to the reason.
岸边起重机杆件的风致振动的主要表现形式为横风向的振动，按发生原因称为涡激振动。
From the reliability analysis of span, vortex-induced vibration resulting from ocean wave and current is one of primary destroy factors.
从管跨的可靠性分析中看出，由海浪和海流引起的涡激振动是破坏管跨的主要因素之一。
The test showed that: in each test state, the harmful vortex-induced vibration has not been found in the main beams and the bridge towers.
试验结果表明：在试验的各状态下，主梁及桥塔均未发现有害的涡激振动。
Vortex-induced vibration of the bridge is an important aeroelastic phenomena, it is easy for long-span bridges to occur Vortex-induced vibration.
桥梁涡激振动是大跨度桥梁在低风速下很容易出现的一种重要的气动弹性现象。
Result shows that the dip Angle, the towed velocity and reduced velocity are main influence factors to the vortex-induced vibration of a circular cylinder.
结果表明，约化速度、拖缆倾角、拖曳速度等是影响涡激振动的主要因素。
The experiment shows that the PIV technique can be utilized to measure the unsteady complex flow of passive vibration, and analyses the vortex-induced vibration.
试验证明了PIV技术可以应用于被动振动非定常复杂流场的测量中，并对两维翼流体旋涡诱发振动响应进行了分析。
In this paper, multigrid fictitious boundary method(MFBM)is applied to direct numerical simulation of vortex-induced motions of multi-cylinders in viscous flows.
本研究利用多重网格虚拟边界有限元法（MFBM）数值模拟多圆柱涡激运动问题。
And analyzed the effect of the railing, the wind speed and wind direction on the vortex-induced vibration, and the reason for no obvious vortex-induced vibration.
并分析了栏杆、风速和风向角对涡激振动的影响以及未发现明显的大幅涡激振动的原因。
Subsea wellheads are a core technology supporting drilling activities, but their lifespan can be affected by a multitude of factors such as vortex-induced vibrations.
海底井口系统是钻井作业的是关键技术，但它们的工作寿命往往可以受到多种因素的影响。
On the basis of static aerodynamic force tests and dynamic response tests, the galloping and (vortex-induced) oscillation performances of H-shaped booms were investigated.
通过节段的静力和弹簧悬挂动力试验，对H型吊杆的驰振和涡激振动性能进行分析。
Periodical variations of tether's tension caused by heaving oscillation of TLP play the role of a parametric exciter to vortex-induced vibration, and make it more complicated.
张力腿平台的垂荡引起张力周期性变化，对张力腿的涡激横向振动起参数激励的作用，使其动力响应更为复杂。
The test results showed that: the recommended Scheme of girder, the first comparative scheme of girder and the second comparative scheme of girder all occur vortex-induced vibration.
试验结果表明：主梁推荐方案、主梁比较方案一和主梁比较方案二都会发生不同程度的涡激振动。
Through experiments, the critical wind speed of the vortex-induced vibration is received. And analyzed effect of the railing and the wind attack angle on the vortex-induced vibration.
通过试验得到了涡激振动的临界风速，并分析了栏杆、风攻角对涡激振动的影响。
The vortex-induced vibration, rain-wind-induced vibration, wake galloping and buffeting of the cable of a cable-stayed bridge are analyzed, and relavant control measures are summarized.
分析了斜拉桥拉索涡激振动、风雨激振、尾流驰振和抖振的振动机理，并总结了控制这些振动的措施。
Vortex-induced vibration is limited amplitude response, but it occurs at low wind speed with relative large amplitude, which will affect the strength and fatigue resistance of the structure.
尽管涡振是一种限幅振动，但由于其发生风速较低，振幅相对较大，会影响结构的强度和疲劳，因此大跨度拱桥的涡振响应研究具有重要的意义。
The nonuniform distribution of induced velocity on the rotor disk derived from the generalized vortex theory is taken into account.
诱导速度在桨盘处的分布采用广义涡流理论所导的公式。
In this paper, firstly, relations of first two harmonic induced velocities to the lower and same-order harmonic circulations are obtained from the generalized classical vortex theory of the rotor.
本文从旋翼的广义经典涡流理论出发，通过环量对诱导速度的贡献的简化处理，推导出旋翼诱导速度的二阶分布。
The nonuniform distribution of induced velocity on the rotor disk which is derived from the wang's generalized fix vortex theory is taken into account.
诱导速度在桨盘处的分布则采用王氏固定涡系涡流理论所导出的诱导速度非均布公式。
The paper concerns the stability of Tension Leg Platform (TLP) tethers nonlinear oscillation induced by vortex shedding.
本文研究海洋张力腿平台的张力腿由于涡激产生的非线性振动的稳定性。
The paper makes a study of the induced vibration in the structure under the effect given by macrosonic sound and the vortex.
本文研究了结构在强声和旋涡双重作用下的结构诱发振动问题。
The symmetry vortex of water induced by particle clouds does not synchronize with the motion of particle clouds, and the symmetry vortex is the key reason for clouds to disperse.
泥沙云团在加速下沉阶段所引起水的对称涡与泥沙云团的运动是不同步的，对称涡是引起泥沙云团扩散的重要因素。
The desingularization smoothing parameter is introduced in calculating the induced velocity on trailing vortex surface.
在诱导速度计算中引入了非奇异光滑参数。
For Francis turbines, the pressure pulsation in draft-tubes induced by helical vortex rope is one of the main problems and it would seriously affect the safe operation of the unit.
混流式水轮机尾水管内螺旋形涡带引起的压力脉动是造成混流式水轮机组振动的主要根源之一，严重威胁机组的安全运行。
Both lift line model and generalized wake model are founded in this paper. A method is given for calculating induced velocities by a wake vortex line which results in a rapid convergence.
建立了旋翼升力线模型和广义尾迹模型，在计算角迹涡线诱导速度时，采用了快速收效方法。
Both lift line model and generalized wake model are founded in this paper. A method is given for calculating induced velocities by a wake vortex line which results in a rapid convergence.
建立了旋翼升力线模型和广义尾迹模型，在计算角迹涡线诱导速度时，采用了快速收效方法。
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