The differences of J-integral between CT specimens with and without loading holes have been compared and analyzed by means of incremental theoryelastic - plasticfinite element calculations.
通过增量理论弹塑性有限元计算，对比分析了带和不带加载孔ct试样J积分之间的差异。
2
Based on the theory of elastic-plastic deformation, according to the finite element method, this paper presents a nonlinear analysis of the distribution of the soil pressure of the ditch conduit.
表明对大型沟埋式管道的上压力，采用弹塑性理论的非线性分析是比较符合实际的，其结果可供设计参考。
3
According to the deformation of elastic-plastictheory, the finite element analysis model of metal diaphragm for tank of propulsion system in satellite was established in this paper.