1) equivalent linear damping
等效线性阻尼
1.
Fourier series based moving block analysis was applied to calculate equivalent linear damping in terms of transient responses of damper axial velocity.
建立了直升机前飞时 ,计入变距 /挥舞 /摆振几何耦合和力_速度非线性关系的液压减摆器分析模型 ;用 4阶龙格_库塔法在时域内计算减摆器的轴向速度 ;根据减摆器轴向速度的瞬态响应成分 ,利用基于富里叶级数的移动矩形窗方法计算了减摆器等效线性阻尼· 结果表明 ,存在变距 /挥舞 /摆振几何耦合的液压减摆器 ,在直升机前飞时其等效线性阻尼将大幅度下
2.
In order to investigate the effect of kinematics and parameters of nonlinear hydraulic damper on equivalent linear damping, a analytical model of helicopter rotor damper, accounting for kinematic couplings, is presented in forward flight.
用 4阶龙格 -库塔法对减摆器轴向速度在时域内的响应进行了计算 ;用能量平衡的原理计算了非线性液压减摆器的等效线性阻尼 ;计算并分析了几种典型的几何耦合形式、减摆器的安装形式和设计参数对轴向速度和等效阻尼的影响。
2) equivalent linear damping coefficient
等效线性阻尼系数
3) equivalent viscous damping
等效粘性阻尼
1.
Based on air spring shock experiment,equivalent viscous damping replacing the air hysteresis,air viscosity and material damping and the control volume method,the paper simulates the vibration and shock process of the air spring of different wall thicknesses with Abaqus/Explicit software.
基于空气弹簧的冲击试验,采用等效粘性阻尼代替气滞、气粘及材料阻尼,结合控制体积方法,应用Abaqus/Explicit软件模块,分析变壁厚空气弹簧的振动冲击过程,获得空气弹簧的运动量及气囊状态量。
4) equivalent damping
等效阻尼
1.
Study on equivalent damping calculation for hydraulic damper of helicopter rotor;
直升机桨叶液压减摆器等效阻尼计算研究
2.
Based on the classic composites laminates theory,the stiffness matrix and the equivalent damping matrix of the laminates which can be described by elastic constants and damping constants were determined.
根据经典层板理论分别推导出了显含弹性常数和显含阻尼系数的纤维增强复合材料层板的刚度矩阵和等效阻尼矩阵。
5) equivalent damp
等效阻尼
1.
And the equivalent damp of super-elastic effect o f TiNi Shape Memory Alloy is calculated by simulating its cycle curve using experimen t data.
根据试验数据模拟了形状记忆合金的超弹性循环曲线并计算了TiNi形状记忆合金丝在一定振幅下循环加卸载时的超弹性等效阻尼 ,并将记忆合金丝作为一种等效阻尼材料应用到隔振模型中 。
2.
And we calculate equivalent damp of super-elastic effect of TiNi Shape Memory Alloy through simulating its cycle curve.
计算模拟形状记忆合金的超弹性循环曲线并计算了TiNi形状记忆合金丝加卸载循环时的超弹性等效阻尼,并据此将合金丝作为一种等效阻尼材料应用到隔振模型中。
3.
According to the characteristics of the series-base-isolation structure,the calculation formulas for the equivalent damp and equivalent stiffness of the structure were given,and the desirable equivalent damp could be obtained.
根据串联基础隔震结构的特点,给出了该种隔震体系的等效阻尼、等效刚度的计算公式;将串联隔震支座设定为多个屈服剪力水平,得到了较好的等效阻尼。
6) 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
补充资料:比等效百万吨数