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.
对单自由度结构的随机风振响应问题进行了研究。
Study on the random vibration isolation of generalized Ruzicka system;
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.
然后用板理论建立了幕墙的线性和非线性风振响应分析模型;
The linear and nonlinear analysis models for wind-induced response of glass cladding are established by using plate theory.
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.
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.
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.
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.
本文进行了合肥电视塔风振响应分析,探讨了电视塔人体舒适度设计准则。
Wind-induced response analysis of Hefei TV Tower of 339m high is performed and the serviceability design criterion of human comfort is discussed.
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.
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.
最后,通过国家体育场屋盖主结构的风振响应分析对所提出方法的有效性进行了验证。
At last, the effectiveness of the proposed method is verified by the wind-induced vibration of National Stadium main roof.
对于某些超高层建筑,其横风向风振响应甚至超过顺风向而成为结构设计的控制性因素。
Because the across-wind dynamic responses of some high-rise buildings exceed the along-wind dynamic responses, the across-wind vibration would become the control factor of structure design.
该文对带五种被动减振器的高层建筑的随机风振响应和等效静态设计风载取值进行了研究。
The random wind-induced response and the equivalent static wind action of tall buildings with five sorts of passive dampers are studied.
通过框架结构的风振响应计算,说明土-结构相互作用(简称ssi)对结构风振响应的影响。
Through the response evaluation of frame structures to wind-induced vibration, the effects of soil-structure interaction (SSI) on the responses of the structures are illustrated.
采用SAP2000软件建立了某景观烟囱的结构分析模型,输入风荷载时程进行风振响应分析。
Based on the finite element model of a landscape chimney by SAP2000 and wind load history, the dynamic responses of the chimney were analyzed using time domain method.
屋面刚度及来流风速对大跨度平屋面的竖向风振响应影响比较大,但对位移风振系数的影响不太明显;
The influences of roof stiffness and wind velocity on wind-induced dynamic response are considerably large, while the influences on wind load factor are slight.
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.
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.
引入横风力谱模型,分析了某高宽比为6的方形截面高层建筑在不同地貌和风速条件下的横风向风振响应。
With the across-wind force spectrum, the across-wind dynamic responses of tall square-section buildings with aspect ratio of 6 is analyzed in the conditions of different ground and wind velocities.
同时考虑了不同风速下横风向旋涡脱落对于不同参数的杆式构件的影响,并给出横风向风振响应的计算方法。
In crosswind direction, the influence of vortex shedding for pole-type structures with different geometrical parameters is analyzed, the method for calculating crosswind response is presented.
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.
本文综合考虑了风-结构-土的耦合作用对高层建筑顺风向风振响应的影响,研究了在各种参数下高层建筑风振响应的特性。
The coupling effects of the wind-structure-soil on the along-wind for the wind-induced vibration response of high-rise building were considered.
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.
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.
根据体育场主看台弧形挑篷的风荷载和振型函数特点,提出并建立了极坐标下计算主看台弧形挑篷风致振动响应的方法。
Based on the characteristics of wind loads and modal shape of grandstand arc roofs of large stadiums, a polar coordinate method for wind induced dynamic response analysis is proposed in this paper.
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.
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.
生成了若干关键点的功率谱密度(PSD)和响应的均方值,以及荷载风振系数、位移风振系数。
As a result, some parameters of the key points have been got including the power spectrum density (PSD), the response variance, the gust response factor for load and displacement.
通过气弹全模型试验对斜风作用下湛江海湾大桥裸塔抖振响应性能进行了研究。
The buffeting performance of the free-standing tower of Zhanjiang Bay Bridge, a long-span cable- stayed bridge, under yaw wind is investigated by means of wind tunnel test of aeroelastic full model.
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