Dynamic damping ratio of frozen soil decreases with increment of frequency or decrement of temperature.
冻土的动阻尼比随频率的增加或温度的降低而减小。
Dynamic triaxial test is mainly used to determine the dynamic shear modulus & dynamic damping ratio of soil, which are the important parameters for seismic response analysis.
动三轴试验主要确定土的动剪切模量和土的动阻尼比，而这些参数又是地震动反应分析中的重要参数，该参数的取值小直接影响了桥梁的勘察设计。
Stiffness and damping coefficients are important characteristic. Coefficients that reflect the dynamic respond characteristics of journal bearings.
刚度系数和阻尼系数是反映滑动轴承动力响应特性的重要的特性系数。
A new method for setting up the dynamic model of metal-rubber materials was proposed by using the equivalent viscous damping theory.
提出了用等效粘性阻尼理论和试验相结合，建立金属橡胶材料动态力学模型的一种新方法。
The device provides damping by dissipating energy under seismic braking or other dynamic loads.
该装置通过耗散地震、制动或其它动荷载条件下的能量提供阻尼。
In the analysis of the stress and deformation under dynamic loading, the inertia force and damping moment should be considered in addition to the transverse shear effect.
在分析动载荷下的应力和变形时，除考虑横向剪切效应外，还须考虑微段的惯性力和阻尼力矩。
A kind of primary idea on surveying dynamic torsional damping aluminum cable steel reinforced is presented and relating expression is derived from varying principium.
提出一种测量钢芯铝绞线扭转动态阻尼的原理，并从能量变分原理导出了表达该原理的表达式。
Dynamic problem of a constrained layer damping (CLD) beam is investigated using transfer function method.
主要采用传递函数方法对约束层阻尼梁进行动力学分析。
The damping ratio is an important characteristic parameter in a second-order system, which has great effect on the dynamic characteristic of the second order system.
阻尼比是二阶系统的一个重要的特征参数，它对二阶系统动态特性有较大的影响。
The dynamic shear modulus ratio and damping ratio of soil are indispensability for seismic safety evaluation and soil layer seismic response analysis of engineering sites.
土的动剪切模量比和阻尼比是工程场地地震安全性评价工作和土层地震反应分析中不可缺少的重要参数。
Dynamic stiffness and damping characteristics of landing gears are important parameters to be used to investigate the "ground resonance" of helicopters.
起落架动刚度及阻尼特性是研究直升机“地面共振”问题两个重要参数。
The vertical human body models with different postures are selected according to ISO5982, and the dynamic coupling equations with non-classical damping for structure and human are established.
根据国际标准ISO 5982规定的不同姿势下的竖向人体动力模型，建立了具有非经典阻尼的人与结构耦合运动方程。
The feasibility to simulate the initial earth stress of the large underground structure by using the algorithm of dynamic relaxation and system damping in LS-DYNA is investigated.
主要研究使用LS-DYNA的动力松弛算法和系统阻尼算法相结合来求解大型地下结构初始地应力状态的可行性。
The damping effect in the dynamic problem was fully considered.
充分地考虑了动力学问题中的阻尼效应。
The effects of material nonlinearity, damping, initial geometric imperfection and initial static load on structure dynamic stability have been analyzed.
分析材料非线性、阻尼、初始几何缺陷、初始静荷载等因素对结构动力稳定性的影响。
Viscosity damping coefficient is an important dynamic parameter of diesel engine.
粘性阻尼系数是柴油机调速器的一个重要的动态参数。
As air damping directly determines the dynamic performance of MEMS, it is very important to estimate the air damping effects on them in the design process.
对空气阻尼进行定性和定量分析是MEMS器件设计中非常重要的一个步骤，直接影响MEMS器件的动态性能。
The dynamic mechanical property of polyurethane damping material has been studied.
研究了聚氨酯阻尼材料的动态力学性能。
According to solving the dynamic equation, the effect of the air squeeze film damping on the switching time is given.
通过求解动力学方程，给出空气压膜阻尼效应对于光开关响应时间的影响。
Identification of dynamic natural frequencies and viscosity damping coefficient for a large-scale structure in practical working condition is a very difficult problem.
大型构件在实际工作环境中的系统动态固有频率和粘性阻尼系数辨识一直是一个“棘手”的问题。
A modal value analysis method is presented to obtain a reduced-order dynamic model with modal coordinates for structures with small damping or without damping.
针对小阻尼和无阻尼结构，提出了一种模态价值分析方法，用于在模态坐标下的动力学模型降阶问题。
Study of the effect of viscoelastic material damping on the dynamic response of flexible multibody systems is made in this paper.
对粘弹性材料阻尼对柔性多体系统动力学瞬态响应的影响进行数值研究。
The finite element model, computation response of driving force and dynamic characteristic are established by taking double mass spring damping system for example.
以双质量弹簧阻尼系统为例建立有限元模型，计算动力响应以及动态特性。
Subsequently, the effects of damping gap width and the characteristics of damping media on the dynamic shock response of component was studied with ANSYS FEM technology.
随后，采用ANSYS有限元模拟技术分别研究器件阻尼带隙宽度及其阻尼介质特性对器件动态冲击响应特性的影响。
The storage modulus and damping factor of composites were also characterized through dynamic mechanical analysis (DMA).
此外，采用动态力学分析(DMA)进一步表征了复合材料的储能模量和阻尼因子。
Here, the general situation of South China power grid is introduced and the main problems in this grid such as weak damping and inadequate dynamic voltage supporting ability, etc.
本文介绍了电网概况，分析了电网运行中存在的弱阻尼、动态电压支撑能力不足等主要问题。
A wide-area damping controller is researched to improve damping and dynamic stability of interconnected power grids, and a wide-area control algorithm of generator excitation system is proposed.
研究了广域阻尼控制器以改善互联电力系统的阻尼和动态稳定性，提出了发电机励磁系统的广域控制算法。
In this paper, spring damping model is used to build dynamic model, and deep analysis.
本文应用弹簧阻尼模型，进行动力学建模，对相关参数的确定进行了深入分析。
The dynamic stiffness and damping characteristics of a kind of free decoupler hydro elastic mount and its rubber spring are tested.
通过激振实验方法测试了液阻悬置元件及其橡胶主簧的动刚度和阻尼特性。
The dynamic stiffness and damping characteristics of a kind of free decoupler hydro elastic mount and its rubber spring are tested.
通过激振实验方法测试了液阻悬置元件及其橡胶主簧的动刚度和阻尼特性。
应用推荐