Firstly, the contact stiffness between the workpiece and fixture elements is calculated.
首先，确定了工件与夹具元件之间的接触刚度；
Then, normal contact stiffness and shear contact stiffness of sand particles are derived according to researches above.
在砂土颗粒接触模型的基础上推导出砂土颗粒法向接触刚度、切向接触刚度的表达式。
The influences of many contact parameters such as initial normal force, contact angle, contact stiffness and coefficient of friction were obtained.
获得了凸肩接触面初始正压力、接触角度、接触刚度、摩擦系数等多种参数对叶片非线性响应的影响规律。
In general, oversized contact stiffness may influence the computational reliability, and a simple treatment to get rid of the influence is proposed.
太大的接触刚度影响计算的可靠性，为此给出了一种简单的处理方法。
It is well known that surface quality of parts has great influence on the operational performance such as wearing quality, figure strength and contact stiffness.
零件表面质量对零件的耐磨性、抗疲劳强度、接触刚度等使用性能和寿命有很大的影响。
Surface quality of parts has great influence on the operational performance such as wearing quality, figure strength, corrosion resistance and contact stiffness.
零件表面质量对零件的耐磨性、抗疲劳强度、抗腐蚀性及接触刚度等使用性能以及寿命、可靠性都有很大的影响。
The experiment results of the robotic assembly shown that the robot force controller designed in this paper was robust to the variations of the contact stiffness.
装配实验结果表明，利用本文的方法所设计的机器人力控制器对接触刚度的变化具有很好的鲁棒性。
Three contact stiffness values are calculated and ANSYS finite element analysis result and Hertz's solution are compared, results show that solving contact problem by ANSYS software is accurate.
在计算中，选取了三种不同的接触刚度分别进行分析，并将分析结果与赫兹理论解进行比较，证明ANSYS在求解接触问题时能得到更精确的解。
The corresponding calculation results of different contact stiffness values are listed and the convergence is analyzed, and the numerical recursive method of contact stiffness factor is put forward.
列举不同接触刚度取值对应的有限元计算结果并分析结果的收敛性，提出了接触刚度因子的数值递推法。
The level and distribution of the pre stresses are influenced by the general and local stiffness of the structure, the contact area and the press degree.
结构内部预紧力的大小和分布与结构的整体刚度、结合部位的局部刚度、过盈配合程度、接触面积等因素有关。
Reducing wheel vibrations can be accomplished by adjusting the wheelset stiffness distribution, making full use of the admittance phase, and modifying the wheel rail contact characteristics.
轮对减振可以通过调整轮对刚度分配，充分利用导纳的相位，改变轮轨接触特性等实现。
The geometric and static constraint conditions on contact surfaces are treated as additional conditions and are included in stiffness equations.
在这种模型中，接触单元的几何和静力约束条件是作为补充方程包含在刚度方程中。
Based on change law of contact line of helical gears, a method of calculating their time-varying stiffness was proposed.
在研究斜齿轮接触线变化规律基础上，提出了一种计算斜齿轮时变刚度的方法。
In agreement with the bearing deformation, approximate contact analysis is made with a simplified stiffness function formula obtained which is beneficial to computer programming.
与支座变形相一致，进行了接触问题的近似分析，得到了一个便于计算机编程的刚度函数算式。
In agreement with the bearing deformation, approximate contact analysis is made, and a simplified stiffness function formula that is benefit to computer programming is concluded.
与支座变形相一致，进行了接触问题的近似分析，得到了一个便于计算机编程的刚度函数算式。
This paper deals with the application of laser holography in the research on the contact state and the static and dynamic stiffness of mechanical joints.
本文介绍应用激光全息摄影研究机械结构结合面的接触情况及静动刚度的方法。
When the force can not contact drill string with one side of the borehole wall, the stiffness of drill string can influence the contact force.
当外力不足以使钻柱紧贴于井壁的一侧时，钻柱的刚度对钻柱与井壁之间的接触力有影响。
The effects of different structural parameters, such as contact Angle, deformation and stiffness and load parameters on bearing mechanical properties were studied.
研究了不同结构参数和载荷参数对滚珠轴承力学特性的影响，得到了滚珠轴承接触角、变形以及接触刚度的变化规律。
An iterative algorithm is used to work out the vertical properties, including vertical stiffness, contact length and frictional force distribution in longitudinal direction.
采用迭代算法计算了静态垂直特性，即垂直刚度、印迹长度及摩擦力在纵向的分布。
Stiffness: has a higher trust and moment stiffness, because the integral unit has no angular contact construction.
刚度：有较高的信任和刚度的时刻，因为一个组成单元，没有角接触建设。
The mesh stiffness of a pair of helical gears is calculated by substituting the variance of the contact line length for the variance of the instantaneous mesh stiffness.
运用傅立叶级数的形式，计算了一对宽斜齿轮副的瞬时啮合刚度及一对啮合轮齿的啮合刚度；
The time-variable stiffness is acquired by 3D finite element contact procedure, while the exciting force caused by meshing shock is obtained by 3D dynamic contact finite element mixed formula.
时变刚度曲线用轮齿三维接触有限元方法求得，啮合冲击激励力用轮齿三维冲击-动力接触有限元混合法求得。
After getting the formula about the normal backlash and the stiffness of the tooth pairs of the gear, the contact ratio and the load correction factor could be obtained.
在获得齿轮内啮合传动的齿侧间隙计算公式以后，结合齿对刚度的计算公式，推导出齿轮内啮合传动的加载重合度及载荷修正系数。
Based on the Hertz contact theory, the collision model between rotor and catcher bearing inner race and the real-time dynamic stiffness of the bearing after AMB failure are respectively established.
基于Hertz接触理论，分别建立A MB失效后转子与保护轴承内圈之间的碰撞模型和保护轴承的实时动刚度模型。
Using the principle of virtual displacement and a rigid-plastic constitutive model, the stiffness matrix of the new contact element was deduced.
采用虚位移原理和刚塑性本构模型，推导了接触单元的刚度矩阵。
By comparison of several different DEM contact relationships, the physical meaning of joint stiffness in different computational models is discussed.
通过对几种离散元方法接触关系的比较，讨论了在不同的计算模型中结构面刚度所代表的物理意义。
By comparison of several different DEM contact relationships, the physical meaning of joint stiffness in different computational models is discussed.
通过对几种离散元方法接触关系的比较，讨论了在不同的计算模型中结构面刚度所代表的物理意义。
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