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采用传统节理元近似模拟岩石破坏过程需要同时增加单元和节点,过程非常复杂。为了更有效模拟岩石岩石破坏过程产生的节理,建议了一种只包含2个节点的广义节理元的模拟方法,通过推导给出了基本方程,提供了单元信息设置方式。采用该广义节理元近似模拟岩石破坏过程只需要增加单元,不需要增加节点。模拟实例表明:采用广义节理元法模拟效果在应力方面精度和传统节理元法的精度一样,该广义节理元法有效可行。
Using traditional joint element approximation to simulate the process of rock failure requires adding units and nodes at the same time, the process is very complicated. In order to simulate the joints produced by the rock failure process more effectively, a generalized joint element simulation method with two nodes is proposed. The basic equations are given through the derivation and the unit information setting method is provided. Using this generalized joint element to simulate the rock failure process only needs to increase the unit without increasing the number of nodes. The simulation results show that the generalized joint element method has the same precision in stress as the traditional joint element method. The generalized joint element method is effective and feasible.