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- time history wind load 时程风荷载
- Each time history repeats itself, the price goes up. 答案：历史每重演一次，代价就增加（一分）。
- China is a eastern courtry with a long time history. 中国是一个有着悠久历史的东方国家。
- Firstly the pulse wind load was determined and time process curve simulation of the pulse wind load was done by AR method. 首先确定了点支式玻璃幕墙鱼腹式柔性支承体系所承受的风荷载,运用AR法对脉动风荷载进行了模拟;
- The time history of pulse wind velocity and wind pressure on the structure has been simulation based on Davenport wind speed power spectrum and Shinozuka theory. 方法采用Daven port风速谱并根据Shinozuka理论;应用简谐波叠加法分别模拟了脉动风速、脉动风压和脉动风荷载时程曲线.
- This time the entire structure of the high-rise building wind load resistance all the strength and stiffness to achieve maximum efficiency. 这个时候此高层建筑的整个结构抵抗风荷载的所有强度和刚度将达到最大的效率。
- By adapting Davenport spectrum for horizontally fluctuating wind, wind velocity time history at the opening was simulated by using trigonometric series. 采用Davenport水平脉动风速谱;利用三角级数对开孔处的来流风速时程进行模拟.
- The wind load resistance is80 N/ m2 for maximum sizes, i. e.11 m/ s. 最大尺寸门的抗风压能力为80牛顿/2，即11米/。
- In the example of Nimu Bridge, a FEM model of 3D beams is established by beam grid method, and mode analysis and time history analysis have been done. 以尼木大桥为例,采用梁格法建立了空间梁单元有限元模型,进行了模态分析和动力时程分析。
- There appears some flexibility at the top of tower with high ratio of height to diameter (H/D),caused by wind load. 高径比(H/D)较大的塔在风载荷的作用下,在塔顶处会引起一定的静挠度。
- A time history analysis method for calculating the dynamic stability safety factor of high rock slope under excavation blasting is proposed. 提出一种计算岩质高边坡爆破开挖情况下动力稳定性安全系数的时程分析方法。
- Wind loads are not a significant factor for structural design. 风载荷对于结构设计就成了没有意义的因素。
- This chapter delves into thought-form and belief systems utilized to construct the current DNA that humans exist within in present time history. 该章节深入探究了用于构建人类在历史此刻所存在其中DNA的思想形态与信仰系统。
- If a tarpaulin/ sheeting is secured to the scaffolding, has the scaffolding been designed to withstand the additional wind load? 如果脚手架上固定了帆布/皮，脚手架的设计能力能够承受额外的风力负荷吗?
- For concrete material,a normal expansion theory was proposed by which some deceleration about time history of the projectile can be analytically given. 通过分析,针对混凝土材料,提出了可给出弹体减速度时间历程解析解的法向膨胀理论。
- If a tarpaulin/sheeting is secured to the scaffolding, has the scaffolding been designed to withstand the additional wind load? 如果脚手架上固定了帆布/铁皮，脚手架的设计能力能够承受额外的风力负荷吗？
- Lastly, ANSYS was employed to complete the time history analysis.The results of the time history analysis had cormfirmed the pushover analysis. 最后，利用有限元软件ANSYS对相同的半刚性连接钢框架进行动力时程分析，将分析结果与推覆分析结果进行比较。
- Wind load is a crucial controlling factor for high-rise structure.So, after confirming its shape coefficients, we can begin to design it. 摘要风荷载是高耸结构的控制因素，对高耸结构必须先确定体型系数，才能进行设计。
- To evaluate the nicety and reliability of POA method, the author compares the POA with inelastic time history analysis through case study. 作者通过算例分析，对推倒分析法与非线性时程分析法进行了比较，以评估推倒分析法的准确度及可靠性。
- Wind load is a main variable in OCS design, its right selection is very important for safety operation of OCS and economic efficiency of the system. 风荷载是接触网设计中主要的可变荷载,风速取值的正确与否对接触网的运行安全及系统的经济性至关重要。
