It is commonly discribed as linear viscous damping, Coulomb friction, stiction or some combination of these.
一般把它描述为线性粘性阻尼、静摩擦、接触面阻力，或这些的混合。
The satisfied results are obtained from the simulation of a SDOF system with nonlinear damping and Coulomb friction.
通过对一个具有非线性阻尼和库仑摩擦的单自由度振动系统的数值仿真，得到了令人满意的结果。
In this paper, the granular media in storage is sup- posed to be elastic-perfectly plastic behaviour material submit- ting to Molar-Coulomb yield criterion, and friction effect be- tween granular media and silo wall is supposed to be Coulomb friction contact problem.
认为仓贮散体为服从 Mohr—Coulomb 屈服准则的理想弹塑性材料，散体与仓壁之间的摩擦属于 Coulomb 摩擦接触问题。
The results indicate that the result of local Coulomb friction model and nonlocal friction model is not too distinctive.
研究结果表明：不考虑表面微凸的情况，局部库仑摩擦模型与非局部摩擦模型的结果差别不大。
In order to solve the problem in static performence of the system caused by Coulomb friction, the nonlinear compensation algorithm is proposed.
对两种不同的系统配置进行了研究，讨论了不同的控制算法和系统特性，并对于摩擦非线性所引起的零速滞环问题，提出了行之有效的非线性补偿算法，解决了这类问题。第六章研究了定压网络油马达扭矩控制系统。
Based on the former researches, the Jeffcott rotor system with mass eccentricity is analyzed in this paper. The friction force and angular moment of the rotor is characterized by Coulomb model. And the differential equations for rubbing rotor are established.
本文在总结前人关于碰摩研究的基础上，首先针对存在质量偏心的Jeffcott转子，采用库仑摩擦模型描述摩擦力和力矩，建立了碰摩转子振动微分方程。
Several forms of Coulomb's Law are studied in detail when the foundation surface is rough and friction exists.
由于使用了统一的位移增量收敛判据，所得数值解具有很好的精度和可靠性。
The friction, friction coefficient etc of prescind from external asperity model and the single asperity model in plasticity forming were respectively researched by using finite element analysis software ADINA and Coulomb friction model and nonlocal friction model.
应用大型有限元软件ADINA，采用库仑摩擦模型和非局部摩擦模型，对不考虑表面微凸的模型和单个微凸体模型在塑性成形中的摩擦力、摩擦系数等进行研究。
In this paper, the drift of a free gyro, assumed to be seated on the vibratory base, has been calculated with consideration of Coulomb friction viscous friction and anisoelasticity of the gyro structure.
本文考虑在基座具有线振动与角振动的情况下，并计及干摩拭力矩、粘滞摩拭力矩和结构非等刚度等因素对自由陀螺仪的漂移误差做了理论计算。
The influences of structural nonlinear terms such as backlash, Coulomb friction and the velocity-squared damping on shimmy are significant. The analyses of effects of the above nonlinear terms on shimmy are carried out by the describing function method, while shimmy amplitude is less than backlash or greater than backlash in shimmy systems. The critical frequency and curves of nonlinear shimmy systems are determined by optimizing real part of the complex eigenvalues.
结构非线性项例如间隙、库仓磨擦以及速度平方阻尼对摆振稳定性有着重要的影响，本文利用描述函数法研究了当摆振振幅小于间隙和摆振振幅大于间隙时上述三个非线性项对摆振稳定性的影响，使用优化特征值实部的方法确定非线性摆振系统的摆振频率以及各种临界参数曲线。
By considering the contact between the teeth and utilizing the face to face contact model with contact element and coulomb friction model, the author had developed a method for design of tooth-locked quick actuating pressure vessel based on finite element stress analysis and stress categorization.
通过接触单元来数值模拟啮合齿的接触过程，建立了基于整体有限元应力分析和应力分类的齿啮式快开压力容器设计方法。
The equivalent linearization results obtained by probabilistic method are inducted to treat landing gear non linear parameters such as shock absorber air spring force, hydraulic damping and Coulomb friction, tire stiffness and damping.
引入了概率平均意义上的当量线性化方法，用该方法处理了起落架缓冲器空气弹簧、油液阻尼和库仑摩擦力以及轮胎刚度和阻尼等非线性参数。
Basing Mohr-Coulomb theory, indirect tension and unconfined compression were used to calculate the cohesion and angle of internal friction of both mixes.
基于Mohr-Coulomb理论，采用无侧限抗压和间接抗拉强度对混合料的内聚力和内摩擦角进行计算。
By an analysis of resistance characteristics of the materials and according to the theory of Mohr-Coulomb, two intrinsic parameters have been introduced: cohesionc and angle of internal friction.
根据沥青混合料的强度构成特性，应用Mohr－Coulomb理论，我们引进了2个强度参数，即粘聚力c和内摩阻角。
Based on Mohr-Coulomb strength criterion, the paper uses internal friction angle as intermediate variable to propose post-peak modulus with stain.
基于Mohr-Coulomb强度准则，以内摩擦角φ作为中间变量，通过理论推导，将峰后弹性模量Ep表征为应变ε的函数，建立峰后岩体力学非线性应力-应变关系。
Base on Coulomb friction model, the workpieces with different geometry rotating in free annular polishing are simulated.
本文基于库仑摩擦模型，模拟了不同形状的工件在环形抛光的运动。
Coulomb dry friction model is used. The differential equations of rotor - elastic support-dry friction damper system are given.
建立了转子弹性支承干摩擦阻尼器系统中转子的运动微分方程，采用库仑摩擦模型描述摩擦力。
With comparison to the mechanical Coulomb friction, a generalized model of nonlinear hysteresis of PMDA was advanced, based on the essential analysis of nonlinear phenomenon.
基于非线性迟滞现象的本质分析，提出了非线性迟滞现象的一种广义模型。
At last, by using the conclusion from the strain gradient plasticity theory and the Coulomb-Navier criterion on material failure, the contrast studies are made and reasonable explanations are given on coefficient of internal friction.
最后，利用梯度塑性理论得到的结论同材料破坏的库仑准则进行了对比研究，对内摩擦系数给予了合理的解释。
The arithmetics of contact element, including three aspects of interface condition, Coulomb friction type and the weak formulation of interface condition are investigated in detail.
在接触单元的力学机理方面，从接触界面条件、Coulomb摩擦类型和接触界面条件的弱形式等三个方面对接触单元的算法进行了详细的研究。