Some research show the lowest flutter critical wind speed may occur in skew wind case.
有关研究显示桥梁最低颤振临界风速可能发生在平均风与桥跨成某一偏角的斜风情况。
Flutter derivatives play very important roles for determining the flutter critical wind speed and buffeting responses of long-span Bridges.
气动导数是大跨桥梁结构颤振和抖振分析中确定颤振临界风速和抖振响应的重要依据。
A simple expression for calculating the critical wind speed to excite the galloping oscillation of the structure was formulated, and exemplified by calculations.
提出了一个新的求弛振的临界风速计算的简便公式，并给出了算例。
Finally, to determine the bridge flutter, galloping and buffeting critical wind speed as a method of judging the stability, buffeting response analysis is the key point.
最后，对成桥运营阶段确定了颤振、驰振临界风速以此来做为稳定性的判断依据，并重点进行脉动风场的抖振响应分析。
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。
A suspension bridge project is taken as an example, in which the evolution of critical wind speed of flutter during bridge erection is studied by a multi-mode flutter analysis approach.
以某悬索桥设计方案为工程背景，应用多模态颤振分析方法，分析了该桥架设阶段颤振临界风速的发展趋势。
The result indicates that the critical wind speed of vehicle turnover increases with the elevation of the altitude and decreases with the appearance of roadbed disease at frozen soil area.
研究结果表明：青藏高寒铁路临界翻车风速随海拔升高而增大，而随冻土路基病害出现而降低的规律。
The studying of the different sections deck shows: the variation pattern of flutter critical wind speed of bridge with flat box deck and wind yaw Angle is significantly affected by wind attack Angle.
研究发现：扁平箱形断面桥梁的颤振临界风速与风偏角的关系明显地受到风攻角的影响。
When the head's shape or width of central slot is unsuitable, central slot decreases critical flutter wind speed instead of increasing it.
当头部形状或开槽宽度不合适时，中间开槽不但不能提高颤振临界风速，反而降低了断面的颤振稳定性。
Besides, through test of sensitivity, the critical values of height of hill, intensity of inversion and horizontal wind speed, which have important influence on transfer of wind are obtained.
通过敏感性试验，发现了对气流输送有重要影响的逆温强度和山体高度及水平风速的关键值。
The results of the wind tunnel test show the flutter critical speed of the wing model increases by 37% after the implementation of AFS system.
风洞试验结果说明，采用颤振主动抑制控制系统后，机翼的颤振临界速度可提高37%。
At the same time, the dependence of the critical heights of pollutant and chimney on the height of hill, intensity of inversion and ground horizontal wind speed are shown.
同时，说明了污染物临界高度和烟囱临界高度对山体高度、逆温层强度和地面水平风速的依赖关系。
The result indicates that the critical vehicle turnover wind speed increases with the rise of elevation and decreases with the appearance of roadbed disease of frozen area.
计算结果表明，青藏铁路临界翻车风速随海拔升高而增大，随冻土路基病害出现而降低。
Critical current of ice-melting increases along with the increase of wind speed and the decrease of temperature increase, while the size and thickness of ice is not obvious.
临界融冰电流随着风速的增大而增大、随环境温度的降低而增大，而与冰层厚度的大小关系不明显。
Critical current of ice-melting increases along with the increase of wind speed and the decrease of temperature increase, while the size and thickness of ice is not obvious.
临界融冰电流随着风速的增大而增大、随环境温度的降低而增大，而与冰层厚度的大小关系不明显。
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