风振系数 meaning in English
wind fluttering factor
wind reference pressure
Examples
- Yasushi u , keisuke w , akihiro s , motohiko y , takeshi h . wind - induced dynamic response and resultant load estimation of a circular flat roof [ j ] . journal of wind engineering and industrial aerodynamic 83 ( 1999 ) 251 - 261
楼文娟,孙炳楠,陆锋,裘涛.大跨度平屋面结构的风振响应和风振系数.第十届全国结构风工程会议论文集, 2001 . 11 ,桂林, 303 - 308 - The coefficient of wind - induced vibration is a link between the dynamic wind loads and the equivalent static loads and it is a key item in wind - resistant design . the further study on the coefficient of wind - induced vibration is carried out
风振系数是联系动力荷载与等效静力荷载的桥梁，在抗风设计中起着关键的作用，对它的可靠性作了进一步的研究。 - According to the fluctuating property of wind , on the stochastic vibration finite element theory , some calculation formulas of the response , including the along - wind response and the across - wind response , are obtained , the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time . by using the stochastic vibration module of the general finite element program , the paper analyses the performance of the wind resistance more deeply and fully , discussing the influence on the double - tower structure from the diversification of the different component . the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration , so is the effect of several parameters on dynamic displacement , acceleration and wind - induced vibration coefficient
从结构风振的基本理论出发，通过对脉动风功率谱的分析，推导了结构风振响应(顺、横风向)的计算公式，同时提出了双塔结构的扭转振动和动力风荷载计算的思想，在结合通用有限元程序的随机振动模块的情况下，对双塔结构的抗风性能作了深入、全面研究，探讨了双塔结构构件截面的变化对其抗风性能的影响，同时探讨了顺风向风速谱的选取、风速、参与计算的振型数、风与结构耦合作用是否考虑等因素对分析结果的影响，比较了规范风振系数的计算与随机算法结构的异同，并讨论了原因，得出一些有意义的结论。 - Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas , then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads . to consider this factor is very necessary in the process of design , we will use the pulsant augmentation coefficient to realize it
比较静力风荷载和动力风荷载作用下的有限元软件的计算结果，选取结构边缘部分的两个节点，对比它们在两种方法计算下的最大位移的计算结果。经过比较可以看出重量轻、频率低、阻尼小的柔性建筑物对风荷载的横向振动是很敏感的，在进行工程设计时应该考虑这种因素，并可采用乘以风振系数等相应方法来加以体现。 - The rules obtained from the background modal analysis method based on the quasi - steady assumption in frequency - domain are similar to those obtained by the analysis method in time - domain , and the influence of high modes can be considered . finally , the dissertation suggests that for engineering design , it is better to use equivalent wind load factor defined the ratio of wind - induced total displacement to static displacement for computing the equivalent static wind load of long - span grid roof structures , and the equivalent wind load factor of the roof of taizhou stadium is calculated
最后通过对大跨网架屋盖结构的风振系数的研究，提出了在实际工程设计中，采用位移风振系数来计算大跨屋盖的等效静力风荷载既正确又方便使用，并且给出了台州体育中心看台屋盖进行分块统计后的位移风振系数，以供设计参考。