结构的风荷载计算和风振分析方法一般可分为时域范围和频域范围两个方面。
Calculating wind load and analysing vibration have two methods, time area and frequency area.
分析表明,对于大跨径斜拉桥,斜拉索上的风荷载计算方法对关键截面的响应影响较大;
The results show that the calculation methods of wind loading on cables have great influences on the response of the key sections of the large-span cable-stayed bridge.
在你尝试使用风荷载计算方法确定建筑物风荷载之前,你应该阅读并研究这两个介绍性主题。
Before you attempt to develop your building's wind loads using the wind load calculator, you should read and study the two introductory topics.
最后,对体系的风振特性进行了分析,用幕墙风荷载规范对几种索桁支承体系形式进行风荷载计算。
In the end, the wind characteristics of system were analyzed and wind load of several kinds of cable-truss Supporting system were calculated using wind load norm of the glass curtain.
但是若考虑到结构疲劳,或者需要结构有较好的稳定性时,则需要对结构进行详细的风荷载计算及振动分析。
It needs to detailed calculate wind load and analyze vibration, taking into account fatigue and stabilization in structure.
在荷载计算部分,较为深入的研究了考虑空间效应的风荷载的计算方法。
In the load calculator part, the paper lucubrates the calculation of wind force considering the spatial effect.
初步解决了高耸结构在风荷载作用下安全使用概率的计算问题。
The problem for calculating the probability of serviceability of towering structures subjected to wind loads is thus primarily solved.
基于概率方法建立了高柔结构顺风向抗风设计中,考虑地震作用组合的总水平荷载的计算模型并进行了求解。
A model on the earthquake effect combination in wind resistant design of high-rise flexible structures is proposed in accordance with the probability method.
本文推导了悬挑屋盖空间动力响应的理论公式,提出了等效静力风荷载实用计算方法。
This paper derives formulae for spatial wind-induced dynamic response of cantilevered roofs and presents calculation practical method for equivalent static wind load.
我国现在仍是采用高耸或高层结构的荷载规范,只取结构的第一阶频率计算风振系数,按此方法进行大跨空间网格结构的风振分析是很不合理的。
In China, the high rise structures load code is used for the large span spatial structures, only the first frequency is taken account for the wind vibration analysis, which is not reasonable.
风荷载作用下的非线性静力失稳理论,推导了适合计算的非线性刚度矩阵,并开发了大跨度桥梁的非线性静力。
Wind Loads nonlinear static instability theory, derived for calculating the nonlinear stiffness matrix, and the development of long-span Bridges in the nonlinear static.
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.
根据容许应力设计理论,对天线撑杆的风荷载和承载能力进行结构计算,并对天线撑杆进行内力分析。
According with the allowable stress design theory, the wind loads and load-carrying capacity of antenna struts are calculated, and their inter forces are analyzed.
采用快速傅立叶变换法(FFT)编制了风荷载模拟程序,实现了随机风场的计算机仿真,仿真得到了16维脉动风荷载时程样本。
Using FFT to workout a wind load simulation program. The computer simulation of the stochastic wind field is achieved. The 16-dimensional random process is got.
介绍了潍坊市中心-潍坊学院体育馆的结构计算和构造措施,并对结构风荷载的取值、屋架钢结构体系的选择、节点构造等设计中遇到的难点进行特别说明。
Especially, the difficulties encountered in the design such as the corresponding structural wind load, steel-truss roof system selection, the joint structure and so on are explained in detail.
将该数值模拟技术应用于南京奥林匹克体育中心体育场的随机风荷载模拟,计算结果表明了该方法的有效性。
The proposed method is applied in the numerical simulation of random wind load on Nanjing Olympic Stadium. The results verify the effectiveness and efficiency of the simulation method.
计算结果表明,该方法能较好反应风荷载空间分布特性,是对高频天平测力实验局限性的一种可靠方便的扩展。
The results show that the method is able to response the wind load spatial distribution characteristics of the transmission tower.
这就意味着在进行静力计算时,如果忽略了不同形式拉索的风荷载差异,会对计算结果带来较大的偏差,存在着结构应力超限的可能。
This means that if the different forms of cable is ignored, it would bring a large deviation during the static calculation and result in the possibility that the structural stress run over the limit.
利用有限元分析软件ANSYS对某平面框架进行水平荷载——风荷载、地震荷载作用下内力计算,并同手工计算方法进行了比较。
The plane frame is calculated under horizontal load-wind and earthquake by using ANSYS finite element analysis software.
风荷载是可变荷载、水平荷载,不能笼统地视为偏心荷载,应参与基本荷载组合计算,并参与偶然荷载组合验算。
Wind load is a kind of variable, horizontal load and it shall not be generally defined as an eccentric load.
采用有限元方法计算了点接式玻璃幕墙在风荷载作用下的应力场,并讨论了孔边应力特性。
The stress fields of bolted glass curtain wall under wind load were studied by means of finite element method and the features of the stress states round holes in bolted glass were discussed.
日本和加拿大规范对矩形截面结构横风向风荷载作用做了相应简化计算。
Japanese and the Canadian standard has made the corresponding simplification computation to the rectangular section structure by crosswind windward load function.
通过与风洞试验的结果进行相应的比较,讨论风荷载数值模拟方法在大跨度屋面结构的风压计算方面的可行性和优越性。
A comparison between the wind pressure from the test and the simulation is then made and the result shows the feasibility and the superiority of numerical simulation.
并对CZ - 2、土星IB气动弹性模型在地面风荷载下的动态响应进行工程计算,与试验结果有良好的一致性。
The dynamic responses of aeroelastic models based on CZ-2 and Saturn IB under ground wind load are calculated. The results are in good agreement with the measured responses.
系统阐述了这种方法的分析过程,其中涉及到脉动风压规格化功率谱的推导以及脉动风荷载功率谱的计算。
Relating to the deduction of wind pressure uniform spectrum and calculation of wind load spectrum, analytical progress of M. Shinozuka method is systemically discussed.
随后完成了对框架在横向水平风荷载作用下的内力和位移的计算,对计算结果进行分析,确认了结构在风荷载作用下的安全性。
Then completed a framework for the horizontal level wind loads of internal force and displacement calculation, the results calculated analysis, confirm the structure in the wind load security.
同时指出,如需按CQC方法进行精细计算,就必须首先获得结构各点风荷载之间互功率谱密度函数的实部和虚部。
It is also pointed out that, only after both real part (or co-spectrum) and imaginary part (or quadrature spectrum) of cross spectra between random wind loads of an…
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.
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.
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