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基于裂隙几何要素的统计特征,采用Monte-Carlo法随机生成裂隙网络系统,以裂隙交叉为节点、节点与节点间的裂隙为线单元,依据单裂隙立方体定律和质量守恒原则,构建了裂隙网络中水流运动数学模型,并求得了模型数值解,研制了岩体裂隙地下水流数值模拟程序。实例结果表明,该模型数值法可用于预测水工建筑物的涌水量,可供裂隙发育且具有一定规模的研究区域借鉴。
Based on the statistical characteristics of fracture geometry, a fractured network system was randomly generated by Monte-Carlo method. The fractures were intersected as nodes and the fractures between nodes and nodes were line elements. According to the single-crack cube law and the principle of mass conservation, The mathematical model of water flow and the numerical solution of the model are obtained. The numerical simulation program of groundwater flow in rock mass is developed. The experimental results show that the model numerical method can be used to predict the water inflow of hydraulic structures and can be used as a reference for research areas with a certain scale of fracture development.