本文提出了大型抛物面天线结构风振响应分析的随机振动方法。
The random vibration method for the analysis of large parabolic antenna structure response to wind load is proposed in this paper.
目前国内对建筑幕墙支承结构的研究多以静力性能为主，动态特性研究和在风载荷作用下的动态响应研究较少。
Static study of the supporting structure for the point-supported glass curtain wall is a main method now days, dynamical research and wind-induced response analysis is very lack.
于是离散分析理论适用，推导出桅杆结构随机风振响应的递推公式。
Thus, discrete random vibration theory is applicable, and recurrence formulas to calculate dynamic response of guyed mast under stochastic wind load are deduced.
研究了8米口径智能天线结构在随机风荷作用下其保精度闭环控制随机响应问题。
The problems of guaranteed precision of random dynamic response of closed loop system of 8-meter intelligent caliber antenna under random wind excitation are studied.
模拟计算了施加于结构的随机风荷，并对结构的随机风振响应作了较深入的研究。
The effect of random wind load applied on the structure is simulated and calculated. And random wind vibration response of the structure is studied deeply.
主要研究建于低层钢筋混凝土建筑物上的钢结构高塔在风振作用下的结构响应。
In this paper, the structural response under the effect of wind vibration of steel structured high tower supported with a several storied concrete building is mainly discussed.
为了选取大跨屋盖结构脉动风振响应的主导振型，提出了振型能量参与系数及其累积参与系数的计算方法。
The mode energy participation factor and the cumulated factor are presented in order to identify the dominant modes of fluctuating wind-induced response for a large-span roof.
对高层钢框架-支撑结构二阶随机风振响应进行了分析。
In this paper, analyses of second_order random wind vibration response for steel braced frame structures in highrise buildings are carried out.
为在时域进行大型结构的气动弹性动力响应分析，必须首先模拟该结构所受到的气动荷载或所处自然风场的时间历程。
To carry out the dynamic response prediction of a large structure subjected to a stochastic wind field in time domain, it is required to simulate time histories of wind loads or the wind field.
采用有限元方法对秦皇岛港煤堆场防风网结构在风荷载作用下的静、动力响应进行分析。
The static and dynamic response analyses on wind excitation of the windbreak structure around the coal store yard of Qinhuangdao Port are conducted.
结果表明本文方法能够有效地分析大跨度屋盖结构的风振响应和等效静力风荷载，能够解决大跨度屋盖结构中多振型参与振动这一主要问题。
The results show that the method is effective to study the wind-induced response and ESWL of large span roofs, by taking into account of multi-mode vibration of the structures.
由于大跨越输电塔是一种高耸柔性结构，对风荷载等动荷载比较敏感，易产生较大的动力响应。
Long-span transmission tower is a high flexible structure, it is sensible to dynamic load, especially to wind, which would easily generate significant dynamic response.
基于结构随机振动理论，可导出顺风向风振时各类风响应。
Based on random vibration theory, the along wind structural response formulae are derived.
本文通过数值风洞模拟方法得到了各风向下穹顶结构的平均风压，尤其是给出了有效分析风激动力响应和等效风荷载的理论方法。
This paper obtains static wind loads based on numerical wind tunnel modeling, and presents the effective theoretic method of wind induced dynamic responses and equivalent wind load analysis.
并比较了输电线对输电塔结构风振响应的影响。
Then, the influence of the cable on the wind-induced response of the structure is discussed.
考虑风与膜结构的耦合作用，研究索膜结构在顺风向和垂直向风作用下的抖振响应规律及特性。
Considering wind-structure interaction, cable-membrane structure buffeting analysis under horizontal and vertical wind has been carried out in this study.
计算结果表明：在结构的风振响应分析中，考虑SSI并不总是安全的。
Evaluation results show that in the response analysis of structure to wind-induced vibration, the effects of SSI on the wind responses are not always conservative.
风振响应分析在现代高层建筑结构设计工作扮演着越来越重要的角色。
The analysis of wind response is paid more and more attention to the design of modern high-rise building.
运用正位试验方法对轻型铝合金活动房屋进行了承载力试验，研究了结构在：①9级、10级、11级风荷载作用下的静力响应；
The structure was study under several kinds of situations as follows: (1) Static response under9,10,11 level of wind loading;
改进后的结构的随机风振响应分析结果表明结构的抗风能力得到明显提高。
The analysis result of random wind vibration response of the modified structure shows that the wind resistibility of structure has been obviously improved.
本文采用离散理论求得索桁架的振动方程，进一步可求得在随机风荷载作用下索桁架结构的振动频率及其位移响应。
This paper has worked out the vibration equation of cable truss by treating it as a discrete system and solved the vibration frequency and the displacement responses under stochastic wind loading.
将模拟出的风荷载作用于单层球面网壳，用有限元程序ANSYS进行了网壳结构的风振响应时程分析。
The simulated wind vibration loads are then applied to the time-history analysis of wind vibration response of single-layer spherical latticed shells by the finite-element program ANSYS.
即使是在水平风荷载作用下，结构的竖向响应也较为明显；
The vertical response is also remarkable under the horizontal random wind load and can not be ignored.
风流经过大跨屋面时，由于气流分离在屋面的大部分区域产生强大的吸力，并引起柔性屋面结构的振动，因此大跨屋面结构抗风设计需考虑风振响应和风振系数。
The wind load has recently become a major concern in wind-resistant design of long-span roof structures due to their characteristics: light, flexible, lightly damped, low natural frequency and so on.
研究随机天线结构的风激随机振动响应问题。
The random vibration analysis of stochastic antenna structures under wind excitation is studied in this paper.
本文应用随机振动的理论研究天线结构风荷响应问题。
In this paper, the problem of antenna structure under the random wind load is studied by the theory of random vibration.
膜结构的非线性风振响应是流固耦合的共同作用问题 ，其中包括耦合因素——附加空气质量与气承刚度的计算。
Wind-induced dynamic response of membrane structures is characterized by fluid-structure coupling interaction, which includes the calculation of the added air-mass on the membrane.
大跨度屋盖结构等效静力风荷载中的共振分量确定，包括对结构共振响应的准确计算以及如何将其等效为静力风荷载这两个主要问题。
The equivalent static wind loads (ESWL) provide an effective approach to deal with the spatiotemporally varying wind loads for structures with long span roofs.
本文研究复合材料层板结构的风激随机振动响应问题。
The vibration response of composite sheets at random wind excitation is analyzed and studied in this paper.
本文研究复合材料层板结构的风激随机振动响应问题。
The vibration response of composite sheets at random wind excitation is analyzed and studied in this paper.
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