电报的 Rain-wind-induced 颤动基于以前的研究成就被学习。根据伪稳定的假设,电报的垂直运动的管理方程被导出,为不稳定的运动和出现机制的标准被学习。比较在从计算模型和以前的结果获得的停留电报的摆动回答之间被执行。结果显示分析模型能反映是 amplitude-restricted, 的电报的 wind-rain-induced vibrationt 的主要特征并且限制速度,并且它可能被联系,周期的旋涡流醒来流动。它为 rain-wind-induced 或关于攻击的短暂角度的电梯系数的衍生物是不到零的电报的导致风的颤动的出现是必要的。当 rain-wind-induced 颤动发生时,空气动力学的力量为颤动有一个双函数,并且停留电缆线的最大的振幅由空气动力学的令人激动的力量和空气动力学的抑制力量的相对的值是坚定的。
Rain-wind-induced vibration of cable was studied based on previous research achievements. According to the quasi-steady assumption, the governing equation of vertical motion of the cable was derived and the criterion for unstable motion and occurrence mechanism was studied. A comparison was performed between the oscillation responses of the stay cable obtained from calculated model and previous results. The results indicate that the analysis model can reflect the main characteristics of wind-rain-induced vibrationt of the cable which is amplitude- and velocity-restricted, and it is probably related with the periodic vortex shedding of wake flow. It is essential for the occurrence of rain-wind-induced or wind-induced vibration of cable that the derivative of lift coefficient with respect to transient angle of attack is less than zero. When rain-wind-induced vibration occurs, the aerodynamic force has a dual function for the vibration, and the maximum amplitude of stayed-cable is determined by the relative value of aerodynamic exciting force and aerodynamic damping force.