刚体

Use moment of inertia terms to rigid oval ring around the long axis and the short axis of the moment of inertia, and then use orthogonal axis theorem calculation rigid oval ring around the ring with the vertical plane through the central axis and the moment of inertia.

运用转动惯量定义计算出椭圆环刚体绕长轴和短轴的转动惯量，然后用正交轴定理计算椭圆环刚体绕垂直与环平面且通过中心轴的转动惯量。

Week 4 Work and energy principle, conservation law of mechanical energy, moment of force, moment of inertia of rigid body, rotating law of rigid body with fixed axis.

第4周 功能原理、机械能守恒定律；力矩、刚体的转动惯量、刚体定轴转动定律。

According to the characteristic of image sequence, we define a function of motion smoothness and provide the constant acceleration model of feature point.

针对非刚体图象序列的特点，定义了特征点运动的平滑代价函数，并提出了特征点运动的常加速度模型，在此基础之上，将非刚体特征点对应的建立问题表示为一个带约束的优化问题，并用Hopfield网络将其实现。

A motion reference coordinate system of this quadruped robot and its simplified-structure of the multi-rigid body dynamics model are established. After kinematic and dynamic analysis, the kinematic equation, inverse kinematic equation and Jacobi matrix of the quadruped robot are presented, and the second kind of Lagrange dynamic equation group for simplified-structure of the quadruped robots multi-rigid body system is educed.

建立了该机器人的运动坐标体系，及其等效简化结构的多刚体动力学模型，对上述模型进行了运动学和动力学分析，给出了该机器人的运动学、逆运动学方程和雅可比矩阵，并导出了其简化结构多刚体系统的第二类Lagrange动力学方程组。

It is often seen that only lower order modes of the beam without large overallmotions are chosen to reduce the number of the generalized coordinates,the simulation,however,is able to reach certain accuracy.

本章对不同转速和中心刚体半径下模态截断法和有限元法的仿真结果进行比较，根据两种方法的振动基频的相对误差确定了模态截断的阶数与转速、中心刚体半径的关系，提出了模态截断的准则，解决了模态截断法的精度问题。

The method and step of physical movement simulation of rigid body in real time are stated with geostatics and computer technology.

将刚体力学与计算机技术相结合，介绍了对刚体约物理运动进行实时模拟的方法和步骤。

This paper presents two methods to analyze the stability of a gravity dam and its foundation.

论文提出2种分析重力坝和坝基稳定的方法：一种是基于刚体极限平衡原理的直接分析方法，它将坝体和岩基作为不变形的刚体，利用该方法可直接计算出可能滑动面的安全因数；另一种是基于弹塑性理论的间接分析方法，它采用非线性有限元方法分析大坝和坝基的应力和变形。

In this paper, starting from the definition of kinetic energy,and by establishing the inertial frame and the reference frame ,we have a discussion of the kinetic energy of rigid body and get some conclusions on kinetic energy of rigid body simply in rotation.

在建立惯性坐标系和运动坐标系的基础上，以动能的定义式为出发点，对刚体的动能进行剖析，并讨论了刚体纯滚动情况下的动能，得到了相关的结论。

Objective Analyzing program was designed to get some important parameters in Javelin throw ing process.

方法通过理论分析把人体简化为一个由15个刚体组成的多刚体系统；使用高速摄影机拍摄了运动员在最后用力阶段标枪投掷的实际过程。

The method has the advantages of Rigid Body Limit Equilibrium Method and Finite Element Method. In this method, the whole equilibrium conditions are kept, and the deformation of material is considered to some extent.

利用一种改进的刚体极限平衡法——块体单元法进行边坡稳定分析，该方法兼有刚体极限平衡法和有限元法的优点，既满足全部的平衡条件，又在一定程度上考虑了材料的变形。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。