Selection methods on damping coefficient,stiffness coefficient and time step in granular distinct element method;
颗粒离散元法中阻尼系数、刚度系数和时步的选取方法
Test research on roll damping coefficient of anti-rolling tank testing platform;
减摇水舱试验台架横摇阻尼系数的试验研究
Comment on empirical formulas for calculating marine engine damping coefficient;
船用发动机扭振阻尼系数经验公式的拟合与评述
Influences of Bubbly Oil on the Damping Factors of Journal Bearing;
气油两相流对滑动轴承油膜阻尼系数的影响
When well fluids are laminar or turbulent,the damping factor of the different eccentric rod string was calculated respectively.
基于ANSYS软件的流固耦合分析方法,选取局部抽油杆、油管和采出液为研究对象,将采出液处理为牛顿流体,计算了不同偏心抽油杆在采出液作层流和湍流流动时的阻尼系数。
The transfer function F(s) of the second-order type-2 loop filter is given,the stability and step response of the third-order PLL then presented,followed by a derivation of a proper damping factor.
给出2型环路滤波器的一般传函形式,分析了三阶3型PLL的稳定性、阶跃响应,推导出三阶系统阻尼系数ξ的合适值。
Added mass and damping coefficients of heaving twin cylinders at the free surface are calculated by the source-sink distribution method in this paper.
利用源汇分布法计算了双柱体作升沉运动时的附加质量和阻尼系数,进而根据格里兹玛方法计算了双尾船在规则迎浪中的纵摇与升沉运动,并且与试验进行了比较。
According to the disturbance theory, the calculating formulae of dynamic performances ofbump foil journal bearings have been deduced,including stiffness and damping coefficients.
本文在小扰动条件下，推导出径向波箔轴承的刚度和阻尼系数的计算公式，计算结果表明，波箔轴承有较大的阻尼特性，在高速运转的机械设备中具有较高的稳定性。
In the paper the relationship,between maximum throw and projectile angle,under the condition of the different damping coefficients and initial velocities is reached by the method of digital calculation.
对于抛射体运动,在考虑到介质的阻力影响时,射程与抛射角之间的关系不易求得解析解,通过数值计算的方法,得出了在不同的阻尼系数和初速率下,最大射程与抛射角之间的关系。
An analysis and calculation of damp coefficient in the cutting chatter;
切削颤振中的阻尼系数分析与计算
Through simulation blade\'s damp trial in air,various order vibration model attenuation coefficients have been achieved by the method of free vibration attenuation,then various order vibration model damp ratios were obtained,and the ratio damp coefficients were deduced.
通过Ti17平板模拟叶片在空气中测阻尼试验研究,用自由振动衰减法测取到各阶振型衰减系数,得出其各阶振型阻尼比,推导出比例阻尼系数,为叶片响应计算时的阻尼系数取值提供了参考。
In this paper,a method is presented for recovering the impedance coefficient given the incomplete data of the far field pattern of the scattered wave.
[7]利用散射波的远场模式反演边界条件中的阻尼系数。
The inverse time-hormonic acoustic scattering problem we are considering in this paper is to recover the impedance coefficient from the far field pattern of the scattered wave.
表示单位外法向，称为阻尼系数，（１。
The free vibration experiment about damping material suggests that the quantity of Zinc oxide has a linear relationship with the coefficient of damping.
通过自由振动实验表明 :ZnOm 晶须的加入量和阻尼系数成线性关系 ,随着ZnOm晶须的加入 ,复合材料的阻尼系数大大增加 。
damping coefficient
减幅系数，阻尼系数
Investigation on Damping Coefficient of Torsional Vibration per Cylinder (Part 2)──Experiment in Variation with Crankangle
单位气缸阻尼系数问题的研究（二）──阻尼系数变化的实验分析
RECOVER THE ACOUSTIC WAVE IMPEDANCE COEFFICIENT FROM THE INCOMPLETE DATA OF THE FAR FIELD PATTERN
利用远场模式的不完全数据反演声波阻尼系数
A Capacitor-less Low-dropout Regulator Based on Damping Factor Control Frequency Compensation
基于阻尼系数控制频率补偿的无电容型LDO设计
An Analysis of Stable Transient Process About Duffing Oscillator at the Different Damping Coefficients
不同阻尼系数下杜芬方程的稳定瞬变过程分析
Recover the acoustic wave impedance coeffcient from the P-th Fourier coeffcient of the far field pattern
利用散射波远场模第P个傅立叶系数重建声波阻尼系数
Influence of Magnetic Damper on Bending Modal Dampings of the System
磁悬浮阻尼器参数对系统弯曲模态阻尼的影响
The dashpot displacement relaxes exponentially.
阻尼器位移按指数关系松弛。
Research on modification factors of damping ratios considering site conditions
考虑场地类别的阻尼比修正系数研究
Structure size and liquid medium density are decisive factors affecting damping moment modulus.
阻尼器的结构尺寸、体介质密度是影响阻尼力矩系数的决定因素。
Correction for Damping Ratio of Wind-induced Dynamic Responses for Structural Aeroelastic Model
大跨度结构气弹模型风振响应的阻尼修正系数
Research on Algorithms for Parameter Optimization of Power System Damping Controllers;
电力系统阻尼控制器参数优化设计研究
Study on the Method and System for Measuring Properties of Damping Material;
阻尼材料弹性参数测量方法及系统研究
The Modal Parameter Identification Based on Spectrum Correction;
基于频谱校正技术的小阻尼系统模态参数识别
Influence of the Generator Damping and Parameter Fluctuation to Power System Stability;
发电机阻尼和参数扰动对系统稳定性的影响
Real-time Control System on the NC Lathe of Vibration Isolating with a Changable ERF Damper;
电流变液可变阻尼减振数控机床实时控制系统
DYNAMICS RESEARCH ON THE MULTIBODY SYSTEM WITH FRACTIONAL-DERIVATIVE-DAMPER
含分数阻尼特性元件的多体系统动力学研究
A model of sound absorption coefficient based on damped harmonic oscillator and its application
基于阻尼谐振子的吸声系数模型及其应用