1) equivalent modal damping ratio
等效振型阻尼比
1.
The formula of the equivalent modal damping ratio based on the modal strain energy is given.
研究了钢筋混凝土巨型框架多功能减振结构的近似振型分解反应谱设计方法 ,给出了等效振型阻尼比的计算公式 ;通过算例分析 ,研究了近似振型分解法的计算精度 ;提出了巨型框架多功能减振结构基于规范的近似振型分解反应谱设计方法的计算步
2) equivalent damping ratio
等效阻尼比
1.
Determination for equivalent damping ratio of composite structure and its application in finite element analysis;
组合结构等效阻尼比的确定及在有限元计算中的应用
2.
Analysis of equivalent damping ratio of high-rise structure building TLD system;
高层建筑矩形TLD系统等效阻尼比分析
3.
Calculation method for additional equivalent damping ratio of energy dissipation structure
消能减震结构附加等效阻尼比计算方法
3) modal damping ratio
振型阻尼比
1.
Dynamic characteristics, in particular the modal damping ratios, of active tendon-linked adjacent buildings are then sought using a generalized modal analysis method.
首先，建立了主动锚索相邻建筑系统的运动方程；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；最后，在频率域内应用广义振型分析与虚拟激励相结合的方法，建立了主动锚索控制装置联结相邻建筑的随机地震响应的分析方法。
2.
For long-span stayed cables equipped with oil dampers,the applicability of complex eigenvalue method in evaluating non-proportional modal damping ratios was verified by comparing the damping ratios obtained from complex eigenvalue with those from nonlinear free decaying vibration,The optimum design damper size was also calculated.
针对配置粘性阻尼器的大跨度钢和CFRP斜拉索,比较了基于复数特征值和非线性自由衰减振动两种理论得到的拉索非比例振型阻尼比,验证了复数特征值方法在大跨度拉索非比例振型阻尼评估中的有效性,得到了斜拉索合理粘性阻尼系数的设计值。
4) equivalent viscous damping ratio
等效粘滞阻尼比
1.
Hereby,the strength ratio of the damper system is ascertained as the equivalent viscous damping ratio is maximum,which is defined as the optimum strength ratio.
首先基于等效粘滞阻尼比的定义,推导了软钢阻尼器结构等效粘滞阻尼比的表达式,据此,进一步确定了结构等效粘滞阻尼比取最大值时的阻尼装置受剪承载力分配率,将其定义为最优分配率,从而明确了使软钢阻尼器的耗能量达到最大时软钢阻尼器结构所应具备的条件。
5) equivalent structural damping ratio
结构等效阻尼比
1.
In the paper, the calculation formulas for equivalent structural damping ratio of control effect of passive absorbers for fluctuating wind vibration responses of tall buildings are derived.
在建立了设置被动减振装置的高层建筑风振控制效果结构等效阻尼比计算公式的基础上，依据《建筑结构荷载规范》和高层建筑结构设计规程提出了设置被动减振装置高层建筑风振控制基于规范的实用设计方法。
6) general equivalent damping ratio
等效综合阻尼比
1.
By utilizing the method presented in this paper, the general equivalent damping ratio of a long-span cable arch space structure was analyzed.
以某大跨空间索拱钢屋盖-混凝土支承体系为例,建立了此类复杂组合结构的等效综合阻尼比计算方法,并对其相关影响因素进行了研究。
补充资料：比等效百万吨数