质点系

动力学总势能不变值原理在质点系建模中的应用

The principle of total potential energy with stationary value in system of particles and its application

采用简捷的方法推导质点系相对于任意动点的动量矩定理，并由此引出质点系相对于质心的动量矩定理和质点系相对于速度瞬心的动量矩定理。

There from it is used to obtain the principles of the angular of momentum of the system of particles with respect to its cenier of mass and instantaneous center of velocity .

本文从质点系的牛顿动力学方程出发，导出了完整系和非完整系速度空间的DAlembert原理的各种形式。

In this Paper , We have deduced various formulas for D Alembert principle of holonomic and non-holonomic system in the velocity space from Newton dynamical equation of system of particles .

本文在假定势能函数是Morse函数的情况下，通过计算位形空间的同调群并利用Morse不等式来估计某些质点系的平衡位置的个数。

In the paper the potential functions are assumed to be Morse functions and the number of equilibrium positions of certain systems of n mass points is estimated by calculating of the homology groups of configuration spaces of the systems and Morse inequalities .

采用了一种高阶精度的Pade逼进的时间域上格栅取点的时间步积分的微分求积方法，对双质点系及梁在强迫力作用下的振动特性进行了数值分析。

A kind of unconditionally stable higher-order accurate time step integration algorithms has been applied , of which the numerical solutions are found to be equivalent to the generalized Pade approximations , for second-order initial value problems based on the differential quadrature method ( DQM ) .

本文对在竖向地震作用下的巨型框架结构采用考虑节点转动的串并联多质点系模型；

This paper presents the series-parallel-connection model with considering joint rotation .

共超球质点系的一个结果及其应用

A result about particles on a sphere and Its Applications

几种质点系的平衡位置的估计

Estimating Equilibrium Positions of Certain Systems of n Mass Points

质点系相对动矩心的动量矩定理

Angular Momentum Theorem of the Particle System to the Moving Moment Center

关于质点系动能定理的商榷

On the Work and Energy Principle of a Particle System

质点系相对于任意点的动量矩定理

Theorem of the Moment of Momentum of Particles Relative to an Arbitrary Point

最后计算了一个双质点系在强迫力下的瞬态响应。

The transient response of a double-degree-of-freedom system under forced load is computed .

水平层状场地自振频率的剪切质点系法研究

Research on shear particle system method of natural frequency of horizontal layered soils

质点系动能定理应用解析

Application of kinetic energy theorem of mass point system

爆破地震速度位移激励多质点系结构动力分析

The Multi-degree-of-freedom System Structural Dynamic Response Analysis of Blasting Ground Vibration Velocity Displacement Excitation

动力计算模型采用的是弯剪型串联多质点系。

Dynamic calculation model was series-wound more particle .

质点系平衡的判据

The Criterion of the Equilibrium of Particle System

经典力学中有关质点系的运动定律已经表述得相当清楚。

The particle system movement rule has been stated clearly in the classical of force .

本文研究变质量质点系的相对运动动力学。

This artical approaches the dynamics of relative motion of a system with variable mass .

计算了平面串并联多质点系结构在竖向地震作用下的竖向刚度矩阵。

This article calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action .

关于E~n中有限质点系的任意维转动惯量平面

On the Rotation Inertia Arbitrary Dimensional Plane of a Given Finite Mass Point Set in E ~ n

质点系相对运动参考系的平衡及其平衡位置的稳定性

The Equilibrium Equation and stability of Equilibrium Position of the System of Particles Relative to Moving Reference Frame

变质量质点系的高斯最小约束原理与赫兹最小曲率原理

Gauss ' Principle of Least Constraint and Hertz 's Principle of Least Curvature of the Systems with Variable Mass

包括单质点隔震与不隔震得了理论结果对比分析，多质点系隔震与不隔震的理论结果的对比。

Includes : theory results comparison between seismic isolation and no seismic isolation of sigle and multiple mass point .

质点系的平衡位置指的是该系统的势能函数的临界点。

The equilibrium position of a System of mass points is the critical point of the potential function of the System .

核反应释放的能量来自复合粒子的内部能量，质量亏损可以用质点系参数α变化来进行解释。

The charged energy comes from the internal energies , the mass defect can be explained in terms of the parameter α .

根据平面连杆机构的组成特点，将平面连杆机构抽象成由平面质点系和平面刚体系组成的一个有根平面混合系统。

The plane linkage was generalized to a root-face hybrid system that composes of a planar particle system and a planar rigid body system .

采用理论力学中的质点系动能和刚体绕回转轴转动动能理论以及刚体平面运动理论，推导出了单自由度平面四连杆机构转化到原动件（曲柄）上的等效转动惯量统一数学表达式。

A calculation formula of equivalent rotating inertia is derived from particle kinetic energy and rigid shaft rotating kinetic energy theory and rigid plane motion theory .

在教学中许多学生对变质量问题的物理图象概念非常模糊，变质量系统的动力学方程是质量可变系统的牛顿运动定律的一种瞬时表达式呢？还是质点系动量定理的具体应用。

The dynamic equations of variable bodies are the applications of the Newton law or the theorem of momentum , which is ambiguous to the students .

本文通过对发生接触的模型进行受力分析，运用质点系冲量定理，进而计算出碰撞后物体的运动轨迹。

With the force analysis of collided models and theorem of impulse of a system of particles , the movement trajectory of objects after colliding is calculated .