摘要
木文从大位移变形弹性理论的量小势能原理和余能驻值原理出发,分别导出了大变形弹性体的一组守恒律和对偶守恒律.据此可定义断裂理论中的守恒积分和它们的对偶形式.
In this paper, from the minimum potential energy principle and the complementary energy stationary principle in large deformational elasticity, the conservative laws and their dual laws are presented- Based on these laws, the consertvative integrals and dual conservative integrals of Fracture Mechanics can be defined easily.
