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- coupling damping ratios 耦合阻尼比
- Also,spin rate coupling with structural damping ratio and other structural parameters have a significant influence in aeroelastic dynamic instability for spinning rocket. 旋转速率与结构阻尼及其他结构参数对气动弹性动态稳定性影响也比较显著。
- The study indicates that the disorder of dry friction can significantly increase the resonant response of bladed disks, especially in the system with weaker coupling and larger viscous damping ratio. 研究结果显示,叶盘系统在弱耦合和粘性阻尼比较大的情况下,干摩擦散乱失谐会导致叶盘共振幅值显著增大。
- The proper application conditions of different mistuning degree,coupling degree and damping ratio are determined by comparing and analyzing the results obtained from the three perturbation methods. 基于质量-弹簧模型,研究了在不同系统参数下,经典摄动法、修正摄动法和自适应摄动法求解失谐叶盘系统受迫响应的应用特点。
- The natural frequencies, modal shapes and modal damping ratios of the typical structural system are got by dynamic behaviour measurement. 通过实测试点工程结构的动力反应,获得结构的自振频率、振型和阻尼比等模态参数。
- This research uses ARX model to find the frequencies,damping ratios,transfer functions and time response, so as to predict the dynamic behavior of the system. 由结构物量测的加速度、速度及位移等资料,经由ARX模式识别系统之参数,求得系统之频率、阻尼比、转换函数与历时反应,进而预测此系统受外力之结构行为。
- The statistical parameters of the turbulence and the displacement amplitudes,the natural frequencies and the damping ratios of the structure were obtained. 现场测量得到了某特定气象条件下当地大气湍流的平均风速、湍流度、风谱、积分尺度等统计量和结构风振最大位移,固有频率,阻尼比等振动参数。
- Dynamic characteristics, in particular the modal damping ratios, of active tendon-linked adjacent buildings are then sought using a generalized modal analysis method. 然后应用广义振型分析方法,寻求了主动锚索联结的相邻建筑的动力特性,特别是振型阻尼比;
- This paper delves into the method of finding the best damp ratio and intrinsic frequency ratio of CVIS. 得出系统求解方程及寻找最佳阻尼比和固有频率比的方法。
- It is found that for the above situation the soil material damping ratio is commonly less than 3%. 计算分析表明风振时层状场地地基土的材料阻尼比很小,一般不超过3%25。
- Depending on the damping ratio adjusting,the low measurement range and the high frepuency response was realized. 采用调整阻尼比技术,解决了传感器的低量程、高频响的技术难点。
- Effect of Coupling Damping to Power Flow 双模态耦合系统中耦合阻尼对功率流的影响
- Through the study of the dynamic hysteretic loop curve of silt clay, a new bilinear model of soil based on damping ratio was proposed. 摘要通过对粉质粘土动力滞回曲线的研究,提出了一种新型基于阻尼比的双线型土动力本构模型。
- Soil dynamic parameters, including dynamic shear modulus ratio and damping ratio, have important effects on the earthquake response of soil layer. 摘要土动力学参数即土的动剪切模量比和阻尼比,对土层地震反应分析结果有重要影响。
- The test covers the deflection and stress of the main sections, natural frequency, impact coefficient and damping ratio, etc. 试验内容主要有关键拱肋截面的位移和内力、振动频率、冲击系数和振动阻尼比等静动力特性。
- Results show that the rubberized concrete has higher damping ratio and lower elastic modulus, and thus lower natural frequency for elements. 试验结果发现,橡胶混凝土的阻尼较之普通混凝土有显著提高,弹性模量和基频随橡胶掺量的增加而降低。
- Significant differences occur in the mass,stiffness,period and damp ratio after adding steel storeys on the top of the original building. 采用钢结构加层后,结构的整体质量、刚度、周期、阻尼比等都发生了较大的变化,应进行结构的整体分析。
- 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。
- The influences of damping ratio,slamming rate and coefficient of correlation on the reliability were studied,and the reliabilities of v. 最后通过算例分析了舰船结构的阻尼率、砰击率及相关系数对可靠性的影响,并计算分析了舰船结构各种失效模式的可靠性。
- Based on these researches,the calculation methods of the parameters and distribution of energy dissipation devices and equivalent damping ratio ar. 在此基础上,给出了消能减震结构设计中阻尼器分布、阻尼器参数和等效阻尼比等有关计算方法。