用计算机对三铰拱桥结构静力分析  

Static Analysis of Three-Hinged Arch By Maple

作　　者：李彤[1] 李银山[2] 何录武[1] 

机构地区：[1]华东理工大学机械与动力工程学院,承压系统安全教育部重点实验室,上海200237 [2]河北工业大学力学系,天津300130

出　　处：《实验室研究与探索》2011年第11期48-51,76,共5页Research and Exploration In Laboratory

基　　金：国家自然科学基金项目资助(10872063);上海市重点学科建设资助项目(B503)

摘　　要：研究了1个三铰拱结构的受力特点,利用Maple编写了求解三铰拱结构反力及内力的计算机程序,并同时画出了结构的内力图。实例表明:用Maple编程求解三铰拱结构的力学问题,精确性高,可操作性强,快速、便捷,大大提高了计算效率及绘图效果。所编的程序可进一步推广到其它同类问题,扩大其应用范围。In this paper, the mechanical characteristics of a three-hinged arch are studied. By means of Maple, a computer program is programmed for solving the reacting forces and internal forces of the three-hinged arch. Mean while, the diagrams of the internal forces of the arch structure are drawn. The example shows that the programming by Maple is efficient and reliable. The computing efficiency and drawing effect are much more improved. The method is fast and simple for the mechanical analysis of three-hinged arch structures. The program can still be expanded and its application fields can be enlarged for other similar problems.

关 键 词：三铰拱 拱的弯曲 MAPLE 

分 类 号：O342[理学—固体力学]