力学中“两体碰撞”的程序实现  

The occurrence of the collision of two objects in dynamics

作　　者：艾光利[1] 

机构地区：[1]重庆教育学院计算机与现代教育技术系,重庆400067

出　　处：《重庆教育学院学报》2002年第3期39-42,共4页Journal of Chongqing College of Education

摘　　要：“两体碰撞”是力学教学中的重要内容 ,也是教学中的一个难点 ,本文以物理规律为基础 ,提出了在一般情况下如何用计算机模拟“两体碰撞”的程序实现方法 ,详细介绍了由程序控制碰撞初值进行多次碰撞的基本算法以及编写程序应注意的问题 ;用坐标变换方法有效地解决了任意条件下的两体碰撞问题 。The collision between two objects is one of the important contents and difficult points in dynamics teaching. In this essay is offered the method how to carry out the program by imitating the collision of two objects through computer in the general conditions on the basis of physical laws. Detailed introduction is given to the basic counting of many collisions by the initial value controlling by programs and the problems which should be attended in the organization of programs. The collision of two objects in any conditions is effectively solved by the change of coordinate, which organically unifies the problems about the separation of front collision and oblique collision in the textbook.

关 键 词：“两体碰撞” 动量守恒 坐标变换 碰撞初值 屏幕坐标 力学教学 计算机辅助教学 程序设计 

分 类 号：O313.4[理学—一般力学与力学基础] G434[理学—力学]