力系平衡

借助于三维CAD工程绘图技术，本文介绍了采用图解法求解空间汇交力系平衡问题的应用实例。

With the help of 3D CAD , this paper presents an actual example of solving the problem of equilibrium of a spatial concurrent force system by the graphic solution .

刚体共面力系平衡条件的等效证明

The Equivalent Proof of Equilibrium Condition of Rigid Body Coplanar Force System

力系平衡方程的多种形式

About the forms of the equilibrium equations in various system of forces

空间力系平衡方程的转换条件

Transpositive Conditions of Equilibrium Equations of Spatial Force Series

浅谈空间任意力系平衡方程的多矩式

Multi - Moment of the Balance Equation in Arbitrary Force Systems in Space

多力矩式空间力系平衡方程独立性的研究

Independence of Equilibrium Equations of Space Force System Characterized by more than Three Moment Equations

文章指出空间任意力系平衡方程多矩式的确存在，并给出其具体形式与成立条件。

The article points it out and reveals its concrete forms and the existing situations as well .

类似平面任意力系平衡方程的多矩式，空间任意力系的平衡方程也有多矩式。

Just similar to the multi-moment of the balance equation in arbitrary force systems in planes , there exists the multi-moment of the balance equation in arbitrary force systems in space .

本文就空间力系平衡方程的四力矩式、五力矩式和六力矩式应用直观的几何方法加以证明。

In this paper , a proof to other forms of the equilibrium equations such as four moment equations , five moment equations and six moment equations is given by use of a simply geometric method .

本文用较简单的方法推导空间任意力系平衡方程的另外三种形式：四力短式、五力矩式和六力矩式。

In this paper , the derivation of other three forms of the equations of equilibrium of three dimensional any force system in a simpler way is presented : equations of four , five and six moments .

本文讨论含力矩式多于三个的空间力系平衡方程组的独立性。文中推导出这种方程组的独立性判别矩阵，它由建立方程的6支力矩轴和投影轴的基本参数组成。

Discusses the independence of equilibrium equations of space force system containing more than three moment equations , and derives a " Discriminant Matrix of Independence " consisting of basic parameters of six moment and projection axes , on which the simultaneous equations are established .

在平面任意力系的平衡条件的基础上，推导出可以由计算机处理的数学模型。

The mathematical model treated by the computer can be deduced for the equilibrium condition of coplanar arbitrary force system .

基本观念，力系的平衡、摩擦、形心、重心和惯性矩。

The text contains general principles , equilibrium of force system , friction , the center of mass , the center of gravity and moments of inertia .

应力对Al-Zn-Cu系平衡相的影响

Effect of stress on equilibrium phases in Al-Zn-Cu alloys

空间力系矩式平衡方程相互独立的几何条件

Geometric Conditions of Independent Momental Equations of Equilibrium for Three Dimensional Force System

本文提出关于空间直线族的统一直线贯穿理论，解决了刚体在空间一般力系作用下平衡方程的类型及其附加条件问题。

In this paper , a unified straight line penetrance theory of the spatial straight line family is proposed , and the problem about types of equilibrium equations of a rigid body under action of general spatial force system and its additional conditions is solved .

文章论述了刚体静力学中空间力系标准形式平衡方程以外的其他形式平衡方程的充分条件，从而提出了利用其他形式平衡方程简化计算时的应用条件。

This paper dealt with the ample conditions of equilibrium equations of other forms apart from the space force system standard equilibrium equations ill rigid body statics , hence , it put forward the applied conditions when applying othes form equilibrium equations to simplify calculation .

一种空间任意力系五力矩式平衡方程的限制条件及其力学证明

A kind of conditioned Five-moment equations of equilibrium for three dimensional general force system and its mechanical certification

本文对空间任意力系五力矩式平衡方程式给出了一种简单实用的限制条件及其力学证明。

For three dimensional general force system , a kind of conditioned five-moment equations of equilibrium , and its mechanical certification are presented in this paper .

根据构件的受力特点及力系平衡的几何条件，分析了内力图的形状及规律，介绍了内力图的快捷作图方法。

According to the stress characteristics and geometrical condition of forces system balance of component , analyses the shapes and rules of internal forces map , introduces a prompt drawing way of internal forces map .

本文研究了摩托车重要振源&发动机的动力学特性，阐明了摩托车发动机对整车振动激励的原理；进行了发动机减振方法的研究，给出了平衡发动机一阶往复惯性力的正反转轮系平衡法。

This dissertation study on the motorcycle engine dynamic property , and give the principle of the engine excitation . The author describes the balance method of inertial force of engine . By installing balance shaft in the engine , the engine vibration is reduced .

平面汇交力系的解析法是用平面汇交力系的平衡方程计算未知力，其平衡方程最简单，但也最容易出错。

The analytical method of system of plane intercrossing forces is to calculate unknown forces by use of equilibrium equation of plane system of plane intercrossing forces .