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- The conclusion could be used as a reference for the wind induced vibration control design. 这对于正确估算结构的扭转风振反应值,为高层建筑风振控制措施设计提供参考依据是有一定意义的。
- Controlling the comfort of tall steel structures due to wind induced vibration is an important structure design. 高层钢结构风振舒适度控制是结构设计的一项重要内容。
- As the main spans of bridges become longer, engineers have to assess the wind induced vibration of bridge decks for safety and serviceability. 摘要:随著桥梁跨径不断的增加,工程师必须审慎评估桥梁在风力作用下之安全性及服务性。
- The wind induced vibration behavior of the Bridge, such as that of fluttering, buffeting and vortex-excited vibration, is investigated and evaluated. 评估了菜园坝长江大桥颤振、抖振和涡激振动等风振特性。
- The fluctuate drag and lift forces of tree branches in wind due to vortex shedding were estimated using the vortex induced vibration theory of circular cylinder. 采用圆柱绕流的涡致振动理论估算了树枝在风中因旋涡脱落而引起的脉动升力和阻力;
- The results show that the interation effect on the wind induced vibration of high-rising structure is obvious, and more attention should be paid to this phenomenon. 计算结果表明:桩-土-结构动力相互作用对高层建筑的风致振动响应的影响是明显的,应当引起重视。
- Influence of Steam Induced Vibration on the Stability of Rotor-bearing System. 汽流激振对轴系稳定性的影响分析。
- Backpack, water, food, map, compass, first aid kit, wind rain sun-proof clothes or equipment, trekking pole, torch, mobile phone, radio, etc. 背囊,水,食物,地图,指南针,急救包,防风防雨防晒衣物或用品,手杖,电筒,手提电话,收音机等。
- We pull in the large fibers, Chlamys Mu wind rain, riding a boat to leave traces of life on the banks of the time, so to better understand how alive and happy. 我们在大河上拉纤,栉风沐雨,逆水行舟,把生命的痕迹留在时光之畔,于是就懂得该怎样更好地活着和快乐。
- The detailed explication of wind induced vibrations of cables, the method of vibration reduction used in practical projects and the recent progresses in researches are introduced. 本文阐述了斜拉索各种风振形式的振动机理和实际工程中常用的减振方法以及国内外该领域目前的研究状况。
- Heat transfer enhancement by fluid induced vibration Journal of hydrodynamics,2002. No. 管外水流诱导管束振动强化传热试验研究贝壳的微观结构与煅烧特性毕见重路春美化工学报,2002。
- The interaction between current induced vibration and scour ofpipeline placed on a sandy bottom was investigated experimentally in a small scale model. 针对引发振动的流与置于砂基上的管道淘蚀的相互作用问题,应用小尺度模型进行了试验研究。
- It used to lay their eggs before the laying of puerperal silk, eggs, and then covered with silk, make out a “thick satin,” Shop with a “soft wire” of the oocysts to wind rain . 它产卵前先用蛛丝铺设产褥,将卵产上后又用蛛丝覆盖,做成一个外包“厚丝缎”,内铺“软丝被”的卵囊,以防风避雨。
- In the derivation both the induced vibration and couple vibration were considerd. 本文建立了浸入水中输运流体管道耦合振动微分方程。
- Scenic central axis, the legislation has 4 majestic iron warrior as the Song Dynasty, has gone through the past thousands of wind rain and snow, still stand Wei-ran, reduced power and prestige. 景区中轴线上,立有4尊威风凛凛的宋代铁铸武士像,虽已经历近千年的雨雪风霜,依然巍然挺立,威风不减。
- The tangential movement of water rivulet has significant effects on the rain-wind induced vibration of stay-cables. 风雨环境中斜拉索表面形成的水线及其周向摆动在索的风雨振中起着关键的作用。
- Based on the calculated results, the fatigue damage by vortex induced vibration along a riser is predicted. 在此基础上计算了立管沿长度方向涡激振动引起的疲劳损伤。
- Synchronized movement of water rivulet with cable motion is one of the most important factors that cause rain-wind induced vibration. 斜拉索表面水线的周向摆动被认为是激发索发生风雨振的重要因素。
- Poor John was exposed to the wind and rain. 可怜的约翰处于风雨交加之中。
- The analysis system of 3D full functional numerical method on flow induced vibration body in turbomachinery is presented in this paper. 总结了对于汽轮机叶片流体激振安全性进行全三维、全功能与全方位分析的概念和方法。