The energy principle is an important approach for solving the problems of elastic-plasticmechanics as well as the basis of finite element method.
能量原理是解决弹塑性力学问题的一个重要途径，它是有限元法的基础。
2
The experimental result in this paper shows that the theory of elastic-plasticmechanics can be basically applied to spheroidal graphite cast iron with the matrix of ferritic-pearlitic.
本文的实验结果表明，弹塑性力学的理论和假设基本适用于铁素体-球光体基体的球墨铸 铁材料。
3
Based on the characteristics of postgraduate elastic-plasticmechanics and the teaching practice and experience, this paper discusses the teaching methods of elastic-plasticmechanics course.