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mode damping ratio
相关语句
  模态阻尼比
     Speed feedback of yaw angle was realized through adding mode damping ratio of Dutch roll and adjusting mach number by height.
     偏航角速率反馈以增加荷兰滚模态阻尼比,按高度及马赫数调参数实现。
短句来源
  “mode damping ratio”译为未确定词的双语例句
     The factors such as dense mode, damping ratio and noise were also taken into consideration. The feasibility of application of Laplace wavelet in FTDP was discussed. The Laplace wavelet algorithm was achieved by using Matlab in this paper.
     深入研究了密集模态、阻尼比以及噪声等因素对参数估计的影响,分析探讨了将Laplace小波相关滤波算法应用于FTDP的可行性。
短句来源
     According to the distribution characteristics of shear stiffnesses, masses and damps of seismiclly base isolated regular buildings along height, the simplified formulas of mode damping ratio are improved.
     根据规则型隔震房屋的刚度、质量和阻尼分布的特点 ,改进了阻尼比的简化计算表达式。
短句来源
  相似匹配句对
     On the Mode of Economy
     论经济方式
短句来源
     On the Phonetic Mode
     语音模式试说
短句来源
     Damping Rubber
     阻尼橡胶
短句来源
     Analysis on the damping characteristic of rotary-vane mode MRF damper
     回转叶片式磁流变减振器阻尼特性分析
短句来源
     DAMPING AND SUPPRESSION OF COMMON MODE INTERFERENCE CURRENTS IN PWM INVERTER
     PWM逆变器共模干扰电流的衰减和抑制
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Diwang Plaza in Shenzhen is a 81 - story and 309.95m high office building. It has a structural system of steel frame - concrete core with four levels of two story height steel outrigger truss. The building has a height - to - width ratio of 8.38. For such a slender structure its lateral stiffnesss is much concerned about by engineers.The dynamic property field measurement of Diwang Plaza was carried out. The ambient vibration test technique was adopted. The measured fundamental periods show that the stiffness...

Diwang Plaza in Shenzhen is a 81 - story and 309.95m high office building. It has a structural system of steel frame - concrete core with four levels of two story height steel outrigger truss. The building has a height - to - width ratio of 8.38. For such a slender structure its lateral stiffnesss is much concerned about by engineers.The dynamic property field measurement of Diwang Plaza was carried out. The ambient vibration test technique was adopted. The measured fundamental periods show that the stiffness of Diwang Plaza is between a steel structure and a concrete structure with the same size of Diwang Plaza. The fundamental mode damping ratio is about 1 % .The top lateral displacements of Diwang Plaza were measured when No. 16 typhoon of 1996 influenced Shenzhen. Global Positioning System (GPS) was adopted to cany the measurement. At the same time the wind speeds at the height of 347.5m were measured. The top accelerations of Diwang Plaza during large wind were measured and based on the measured wind speeds the top accelerations of the building during No. 16 typhoon of 1996 were estimated. It is found that the typhoon did not have big effect on Diwang Plaza.

本文介绍了深圳地王大厦的动力特性和在大风时楼顶位移和加速度的实测结果,并对实测结果进行了讨论.

A system-governing equation of the complex structure integrated Passive and Active Vibration Control is founded in this paper. Based on it, a model of optimal placements of actuators and passive bars is properred and a formulas of mode damping ratio of complex structure under closed controlled has been gotten. It is succeeded to process the optimization problem of actuors and passive bars using simula ted annealing heuristic. One example of space-truss is used to demonstrate the methods, and analysis...

A system-governing equation of the complex structure integrated Passive and Active Vibration Control is founded in this paper. Based on it, a model of optimal placements of actuators and passive bars is properred and a formulas of mode damping ratio of complex structure under closed controlled has been gotten. It is succeeded to process the optimization problem of actuors and passive bars using simula ted annealing heuristic. One example of space-truss is used to demonstrate the methods, and analysis the interact between the disposition of passive bars and actuator.

本文建立了主被动一体化振动控制复合结构的一般运动方程,在此基础上,建立了主动与被动构件优化配置问题的模型,推导了闭环控制下结构模态阻尼比的求解公式,并以此为目标函数,实现了用模拟退火搜索算法求解主动、被动构件位置优化问题的过程。通过一个空间桁架算例,实现了多个粘弹性阻尼构件与层积式压电推构件杆的位置优化配置,分析讨论了被动阻尼控制对主动构件位置优化的影响。

According to the distribution characteristics of shear stiffnesses, masses and damps of seismiclly base isolated regular buildings along height, the simplified formulas of mode damping ratio are improved. Besides, formulas of natural frequencies, modes and earthquake response of regular buildings are summarized. The Numerical comparison between proposed mode damping ratios and the corresponding ones given by Kelly is carried out. And the results of comparison indicate that the proposed approximate...

According to the distribution characteristics of shear stiffnesses, masses and damps of seismiclly base isolated regular buildings along height, the simplified formulas of mode damping ratio are improved. Besides, formulas of natural frequencies, modes and earthquake response of regular buildings are summarized. The Numerical comparison between proposed mode damping ratios and the corresponding ones given by Kelly is carried out. And the results of comparison indicate that the proposed approximate formulas of mode damping ratio in this paper are more accurate, though the expression of the approximate formulas is as simple as the Kelley's. As a result, the proposed simplified formulas can be easily applied in design of the seismically base isolated regular buildings .

根据规则型隔震房屋的刚度、质量和阻尼分布的特点 ,改进了阻尼比的简化计算表达式。此外 ,还归纳给出了自振周期、振型和地震反应计算公式。文中还将我们提出的隔震结构振型阻尼比公式与Kelly的相应公式进行了数值比较 ,两者的复杂程度虽几无差异 ,但本文的公式更为精确。文中提出的简化计算公式可以方便地在规则型房屋结构隔震设计中加以应用。

 
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