The matrix of power spectral density function of fluctuating wind load is established first.
首先建立了脉动风荷载的功率谱密度函数矩阵。
According to the analysis, the amplitude of oscillation of the tower top would be reasonably large under the fluctuating wind.
经计算在脉动风荷载作用下,塔顶将产生较大的振幅。
The horizontal and vertical coherences of the fluctuating wind pressures on the models are stronger than that of the natural wind.
脉动风压的水平和竖向相干性均高于风速的相干性。
To analyze the wind-induced dynamic response of offshore wind turbine in time domain, the numerical simulation of fluctuating wind velocity time series was studied.
为了分析海上风机结构在时域内的风振动力反应,进行了脉动风速时程数值模拟研究。
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.
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。
Based on the pressure measurements of wind tunnel test on a rigid structural model, this paper first calculated the equivalent objective responses induced by fluctuating wind.
在刚性建筑模型风洞测压试验的基础上,首先求出脉动风致等效目标响应。
According to the particular profile of mean and fluctuating wind speed in hilly terrain wind field, mean, background and resonant wind loads of tall buildings are investigated.
根据山地风场中特有的平均和脉动风速特性,研究高层建筑平均风荷载、背景和共振等效风荷载特性。
If accurate fitting formulas of spectrum and coherent function of the fluctuating wind pressure can be obtained, this method possesses great advantage in computing efficiency and accuracy.
指出如果能拟合出脉动风压谱和相干函数的精确公式,该方法在计算效率和计算精度方面均有较大的优势。
The fluctuating wind loads on a dome-like roof are reconstructed based on the synchronous multi-pressure scanning technique of wind tunnel tests and the proper orthogonal decomposition(POD)method.
根据风洞试验同步采集的风压数据利用POD技术预测了圆拱顶屋盖未布置测压点位置的风压时间序列。
"Heejeong separated the data into when the solar wind was fluctuating a lot and when it was fluctuating a little," he added.
“金熙真把太阳风活动剧烈和相对稳定时得到的数据分开,”他又说道,“当行星际磁场波动不大时,她得到的结果和我们熟悉的一样。
Mean and fluctuating pressures and aerodynamic force coefficients on the cable model and the artificial rivulet are obtained under the conditions of typical cable inclined angles and wind angles.
试验得到了具有典型倾角的拉索在不同风向角下,拉索模型上的平均风压和脉动风压系数,以及气动力系数。
It is an effective method to obtain more accurate fluctuating pressure on the surface of buildings and structures in wind tunnel test.
结果对如何正确测量建筑物表面脉动压力提供了一种有效的方法。
The fluctuating pressure on the large-span complex roof of Guangzhou International Meeting and Exhibition Center were investigated by means of wind tunnel test, The test results have been analyzed.
介绍了复杂大跨屋面的脉动风压风洞试验研究方法和广州国际会议展览中心屋面脉动风压风洞试验的结果,并对结果进行了分析。
Stochastic sand trajectories in wind-blown sand were obtained by solving the differential equation which describes the vertical fluctuating velocity of sand grains.
通过对描述沙粒垂向运动速度脉动分量的随机微分方程的直接求解,获得了风沙流中沙粒运动的随机轨迹。
In this paper, mathematical model of fluctuating torques acting on rectangular super-tall buildings were investigated based on wind tunnel test results.
利用风洞试验结果,对矩形截面超高层建筑风致脉动扭矩数学模型进行研究。
A new fluctuating pressure measurement system is developed for wind tunnel tests of building models.
简要介绍了一种应用在建筑物模型风洞试验中测量脉动风压的电子扫描系统。
In this paper, some problems dealt with similar simulation of fluctuating pressure in the atmospheric boundary wind tunnel are under discussion.
本文讨论了大气边界层风洞中脉动风压相似模拟所遇到的问题。
A method for estimating wind-induced fluctuating internal pressure in the frequency domain is proposed and wind tunnel tests were carried out to verify the method.
提出了估算开孔结构风致内压脉动的频域分析方法,并实施了风洞试验进行验证。
Driven by wind energy, with the characteristics of intermittent and difficult to accurately predict, the output power of wind farm is fluctuating and difficult to accurately forecast.
受具有间歇性和难以准确预测特性的风能驱动,风电场输出功率具有波动性和不可准确预测性。
Driven by wind energy, with the characteristics of intermittent and difficult to accurately predict, the output power of wind farm is fluctuating and difficult to accurately forecast.
受具有间歇性和难以准确预测特性的风能驱动,风电场输出功率具有波动性和不可准确预测性。
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