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为了评价复杂地质区域矿产资源开发后的废弃物堆积场对地下水的影响,需要准确掌握区域地下水位在废弃物堆积场作用下的空间变化规律,为此提出了全隐式非构造网格有限体积(FVM)地下水模拟模型。在贵州某化工企业尾矿堆场的实际应用中,通过模拟成果与钻孔资料对比分析,验证了该数值模拟模的可行性与精度;通过有无尾矿堆场的模拟结果对比分析,弄清了尾矿堆场对区域地下水的影响情况。结果表明,基于非构造网格有限体积地下水数值模拟模型适宜于复杂区域内地下水模拟或污染源对地下水的影响评价。
In order to evaluate the impact of waste deposits on the groundwater after the development of mineral resources in complex geological areas, we need to accurately understand the spatial variation of the regional groundwater table under the impact of the waste dumps. Therefore, a fully implicit non-structural grid finite volume (FVM) groundwater simulation model. In the practical application of the tailing yard of a chemical enterprise in Guizhou, the feasibility and accuracy of the numerical simulation model are verified through the comparison between the simulation results and the drilling data. Through the comparison and analysis of the simulation results of the tailings yard, Cleared the impact of tailing yard on the groundwater. The results show that the finite volume groundwater numerical simulation model based on non-structural grid is suitable for groundwater simulation in complex areas or the impact of pollution sources on groundwater.