地下工程数值模拟若干问题的处理方法

首先探讨了用数值模拟方法解决地下工程的岩石力学问题时，如何根据岩体工程结构的岩石力学性质和数值模拟的目的来选择数值计算方法；然后，详尽、深入地阐述了建立计算分析模型所涉及的几个重要问题及其处理办法，包括模型几何形状、计算范围的确定、边界条件和工程初始状态的处理、模型离散化、支护结构作用的处理，以及如何确定计算所必须的岩石力学参数；最后，提出了对计算结果的分析方法和思路。

Treatment of Several Problems in Numerical Simulation of Underground Engineering

Firstly,the paper discusses how to choose numerical simulation method based on rock mechanical property and numerical simulating purpose of rock engineering when we resolve rock mechanical problems of underground engineering by means of numerical simulation.Secondly,a number of topics and treatments are expounded,including definition of model geometrical shape and analyzing range,treatment of boundary condition and initial state,model discreteness,effect of support construction and means of determining rock...