平面体系的自由度计算及分析步骤刍议

On the Calculation and Analysis of the Degree of Freedom of Planar System

平面体系的几何组成分析是结构力学与建筑力学课程的教学重点与难点,自由度等基本概念的理解及基本规则的掌握是学好本章的基础,作者根据多年的教学经验,依据学生作业常出现的问题,对自由度的计算给出合理化的公式,并按照“三步走”的思路给出几何组成分析习题规范的解题步骤,对学生掌握好本章内容,养成严谨认真的学习态度具有重要指导意义。

The analysis of the geometric composition of the plane system is the teaching focus and difficulty of the course of structural mechanics and architectural mechanics. The understanding of basic concepts such as freedom and the mastery of basic rules are the basis for learning this chapter. Based on years of teaching experience, the author gives a rational formula for calculating freedom based on the problems that often arise in student homework. And in accordance with the "three-step walk" thinking to give the geometric composition of the analysis of the specification of the problem-solving steps, which to master the content of this chapter, to develop a rigorous and serious attitude of learning for students has an important guiding significance.