基于VB建立《工程力学》中三种梁的剪力和弯矩图

Set Up the Shear Diagram and Bending Moment Diagram of Three Kinds of Roof Beams in the Engineering Mechanics Based on VB

简支梁、外伸梁和悬臂梁在集中力、集中力偶和分布载荷的作用下剪力和弯矩分析是工程力学中的重要知识点 ,正确的剪力图和弯矩图的建立 ,有利于快速对梁进行弯曲应力分析和强度校核计算。本文试图通过运行VB程序 ,快速准确地生成剪力图和弯矩图 ,同时因VB可视化的特点 ,使运行界面更加友好和直观。这对工程分析和教学实践均有一定的指导意义。

Simple roof beam, overhanging beam and cantilever beam under the effect of concentrated force, concentrated force couple and distributed load, the analyses of shearing force and bending moment are the important knowledge in Engineering Mechanics. The correct shear diagram and bending moment diagram contribute to the analysis of bending stress and the check of the intensity. This article tries to form the shear diagram and bending moment diagram quickly and accurately by means of VB procedure. Meanwhile, with VB's characteristic of visuality, it makes the running interface more friendly and visual. All these have directive significance to the engineering analysis and teaching practice.