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工程力学中,经常要进行构件的受力分析,内力的求解,然后进行构件的强度、刚度及稳定性的计算。内力的分析和求解一般采用截面法。在使用截面法求解构件的内力时,通过列平衡方程、解方程求解内力。此过程比较繁琐,本文阐述了一种求解内力的简捷方法,可以省略列平衡方程求解内力的繁琐过程。
In engineering mechanics, the force analysis of components and the solution of internal forces are often carried out, and then the calculation of the strength, stiffness and stability of the components is carried out. Internal force analysis and solution generally use cross-section method. In the use of cross-section method to solve the internal force components, through the column balance equation, solving equations for internal forces. This process is cumbersome, this article describes a simple method of solving internal forces, you can omit the column balance equation to solve the cumbersome process of internal force.