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中文摘要：
本文在生成的二维离散裂隙网络中利用逾渗理论突出裂隙的主干网,保存了明显的优势流路径。在此基础上,基于渗流的连续性方程和立方定律,在稳定的、单相的、完全饱和的渗流系统使用DFN模型研究随机产生的裂隙网络中的流体流动。利用matlab程序实现了裂隙岩体渗流数值模拟,在该模型中使用导水系数而非Priest的孔径,且导水系数服从对数正态分布实现了离散裂隙网络模拟的非均质性;在随机的Monte Carlo模拟中,进行了总流量的预测。模拟实验结果表明:总流量的变异系数在合理的范围内,该方法为裂隙水的稳定渗流计算提供了简单、实用的计算方法。
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