Based on the calculating mechanism of definite element method, the principle and method of analysis on the structural stability of rigid frame Bridges etc., are described in this paper.
根据“有限元法”的计算原理，对刚架桥等结构稳定性的分析原则和方法进行了介绍。
This article employs the method of element changing in definite integral to spread the dimension formula of plane figures.
介绍了同一平面图形按不同方式运动截取一部分形成的立方体的图形及计算方法。
应用推荐