由于非线性摩擦力的存在，很难用传统的方法对其进行建模。
Due to the existing of nonlinear friction, it is difficult to model in the traditional way.
该方法能够方便地计算接触面非线性摩擦力，考虑响应的高次谐波以及叶片高阶振型的影响。
This method can calculate the nonlinear friction force conveniently and can consider the effects of the blade high modes and the high harmonics of the blade responses.
气动脉宽调制位置伺服系统是非线性的系统，在气缸摩擦力较大的情况下，采用传统的控制方法难以取得满意的效果。
Pneumatic PWM position servo system is nonlinear system. The satisfied results are difficult to be obtained with traditional control method while the friction force of cylinder is large.
该摩擦力的非线性改变使速度产生变化，导致人们在搭乘液压电梯时产生不舒适感。
This nonlinear change in friction force over a small change in velocity results in uncomfortable feeling when people hitchhike hydraulic lift.
提出一种基于GA的自适应模糊积分型滑模控制策略，并将其用于具有非线性动态摩擦力的单轴运动控制系统中。
An adaptive fuzzy integral type sliding mode control method based on GA was proposed to control single-axis motion control system with nonlinear dynamic friction.
作为摄动因素的摩擦力是滑动速度的任意非线性函数。
The sliding friction is an arbitrary nonlinear function of the sliding speed.
计算中同时考虑了几何和材料双重非线性的影响，给出了轧制压力、摩擦力和前后张力的分布。
In the calculation, both material and geometric nonlinearities are considered. The rolling pressure, friction, front tension and back tension distributions are given.
多层圆柱结构的接触预紧问题，涉及到几何非线性和材料非线性以及接触面上摩擦力的影响。
The contact pretension between the layers of cylindrical structure concerns the non-linearity of geometry and material, as well as the influence of interface friction.
摩擦力方向的这种突然改变使系统变得高度的非线性，求解十分复杂。
This sudden change in the direction of the friction force made the system extremely non-linear and the solution process highly complicated.
焊接过程中的温度、材料热物性、摩擦力和顶锻压力的相互作用使焊接过程高度非线性。
The inertia friction welding process is a non-linear process because of the interaction between temperature field and material properties as well as friction force and thrust force.
焊接过程中的温度、材料热物性、摩擦力和顶锻压力的相互作用使焊接过程高度非线性。
The inertia friction welding process is a non-linear process because of the interaction between temperature field and material properties as well as friction force and thrust force.
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