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- The analysis is of wind induced response on DTCS. 4.;大底盘双塔楼连体结构的风振响应分析。
- Cumulus heating can also modify the static stability. 积云加热还起到修正静力稳定度的作用。
- The conclusion could be used as a reference for the wind induced vibration control design. 这对于正确估算结构的扭转风振反应值,为高层建筑风振控制措施设计提供参考依据是有一定意义的。
- A novel set of moment wheel actuators is proposed to control a reentry warhead with indifferently static stability. 摘要提出了一种以动量轮为执行机构的具有中性静稳定气动布局的再入弹头姿态控制新方案。
- Controlling the comfort of tall steel structures due to wind induced vibration is an important structure design. 高层钢结构风振舒适度控制是结构设计的一项重要内容。
- Finally, the aircraft CJ818 is designed for relaxed static stability and the meliorative result has been shown. 最后,论文以CJ818飞机为例,进行了放宽纵向静稳定性设计,并对设计优化后的飞机构型进行了气动性能评估。
- Most researches of reticulated shell focuses on static stability behaviors, but not on seismic behaviors. 目前网壳结构的研究主要集中在静力稳定性能,对其抗震性能研究进行的较少。
- The detailed explication of wind induced vibrations of cables, the method of vibration reduction used in practical projects and the recent progresses in researches are introduced. 本文阐述了斜拉索各种风振形式的振动机理和实际工程中常用的减振方法以及国内外该领域目前的研究状况。
- As the main spans of bridges become longer, engineers have to assess the wind induced vibration of bridge decks for safety and serviceability. 摘要:随著桥梁跨径不断的增加,工程师必须审慎评估桥梁在风力作用下之安全性及服务性。
- It is shown that the static stability of adjustable speed hydroelectric generating units with DFG is interrelated to the feedback coefficients of their controllers. 分析结果表明,可调速双馈水轮发电机组的静态稳定性与控制器的反馈系数密切相关。
- The wind induced vibration behavior of the Bridge, such as that of fluttering, buffeting and vortex-excited vibration, is investigated and evaluated. 评估了菜园坝长江大桥颤振、抖振和涡激振动等风振特性。
- Conclusion Poor static stability was found in hemiplegic patients.The patients asymmetry of weight distribution is related to the proprioceptive deficit. 结论偏瘫患者平衡功能障碍表现为静态身体稳定性减弱,身体重心偏移与患者本体感觉障碍明显相关。
- We have developed a thermospheric dynamic model (TDM) to study theresponse of the thermospheric density, temperature and wind induced by solar activityand geomagnetic disturbance. 借鉴国外的先进模式,吸取其成功经验,我们建立了一个热层大气动力学模式(Thermospheric Dynamic Model,简称TDM模式),研究太阳活动和地磁扰动对高层大气密度、温度和风场的影响。
- The paper also investigates the influence of stalling of induction motor to PV curves and voltage static stability, and studies the method for selecting the critical point. 同时分析了感应电动机失稳对PV曲线和静态电压稳定的影响,并研究了电压稳定临界点选择的方法。
- The results show that the interation effect on the wind induced vibration of high-rising structure is obvious, and more attention should be paid to this phenomenon. 计算结果表明:桩-土-结构动力相互作用对高层建筑的风致振动响应的影响是明显的,应当引起重视。
- It is also found that additives of humate and lignosulfonate with high degree of sulphonation increase the static stability of CWS prepared by coals with high content of V(subscript daf). 对于腐植酸类和木质素类添加剂,磺化度较高的添加剂有利于挥发分较高的煤种所制浆体的静态稳定性的提高。
- The longitudinal,lateral and directional static stability of Y7-200B/A air-craft are detailedly analysed in the flight test,the tunnel test of Y7 seires aircrafts and the in-formation about AH-24,AH-26 aircrafts,And the AFT. 根据近年来Y7系列飞机的飞行试验数据、风洞实验数据和AH-24,AH-26飞机的有关原始资料,详细地分析了Y7-200B/A飞机的纵、横航向静稳定性。
- Wind induced maximal accelerations at the highest inhabitancy floor are analyzed as wind direction varies and the effects of wind direction to acceleration response of the building are obtained. 此外,分析了该大厦最高居住楼层的最大加速度响应随风向角的变化,得到了风向对最大加速度响应的影响规律。
- Secondly, based on the result of its static analysis, the static stability of single-layer ellipsoid reticulated shells was thoroughly analyzed with geometrical nonlinear finite element method. 在静力分析的基础上,本文采用非线性有限元分析方法,深入全面地分析了该网壳结构的静力稳定性能。
- Based on a hydrofolic small waterline area ship(HYSWAS) scheme with fixed hydrofoils, this paper researched the resistance, static stability, dynamic stability of HYSWAS by theoretical methods. 提出了一型采用非自控组合水翼系统的单体小水线面水翼复合型高速船方案,并对其进行了阻力、横稳性以及运动稳定性的理论分析。