Numerical simulation method of rock bearing tension damage

In order to research the discontinuation and the discontinuation surface after damage of the original rock mediator,based on the rock tension damage,using the finite element method,four criterion of the rock pulling and sketching damage and the principle of the cracking and sketching element are given.Through the concrete sample of the simple beam,the thin plank having a hole in the centre and the Brazilian pan,the cracking and sketching element can be used to implement the simulation of the rock crack process,changing the stress state distribution of the crack round after the rock cracking and requiring the re-adjustment.