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地下水流数值模拟计算软件VisualMODFLOW的墙体边界(wall)又被称为水平流障碍边界(Horizontal-FlowBarri er,HFB),可用于模拟地下含水层系统中薄层、垂向和低透水性、对地下水水平流具有阻碍作用的物体.在分布有众多压扭性隔水断层的淮北地区,应用墙体边界模拟断层,用Winston提出的方法对与网格线呈夹角关系的断层水力参数进行修正,选取23条对研究区地下水流具有控制作用的断层,对研究区进行地下水流数值模拟.计算结果表明,研究区地下水流受断层的影响显著,应用墙体边界对断层进行模拟的方法能够较好地反映出断层的这种影响作用.图7,表3,参11.
The walls of VisualMODFLOW, also known as Horizontal-Flow Barrier (HFB), can be used to simulate the thin, vertical and low water permeability of subsurface aquifer systems. Groundwater level flow has obstructed objects.In the area of Huaibei where a large number of compressive-torsional water-cut faults are distributed, wall faults are simulated using the method of Winston, and the fault hydraulic parameters that are related to the grid lines are corrected , 23 faults that control the groundwater flow in the study area are selected to simulate the groundwater flow in the study area.The calculation results show that the groundwater flow in the study area is significantly affected by the fault and the wall boundary simulation method can compare This effect of faults is well reflected in Fig. 7, Table 3, Reference 11.