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区域地下水流场刻画及分析是高放废物地质处置研究中的重要课题.针对我国甘肃北山预选区面积大、水文地质条件复杂的难点,将并行计算应用于大区域地下水流动模拟,建立了面积近105km2、模型单元数达百万级的地下水模型.通过高性能计算机对稳定流、非稳定流下的地下水流场进行模拟并进行了模型参数优化研究,并根据多情景的模拟结果分析断层及不同补给条件对地下水流场产生的影响.该研究为高放废物地质处置场址评价提供了科学依据.
The regional groundwater flow field characterization and analysis are important topics in the research of geological disposal of high level radioactive waste.Aiming at the large area of Beishan Preselected Area and the complicated hydrogeological conditions in Gansu Province, this paper applies parallel computation to groundwater flow simulation in large area, 105km2, model units of millions of groundwater model.Through high-performance computer simulation of steady flow and unsteady groundwater flow field simulation and model parameters optimization study, and based on the simulation results of multiple scenarios analysis of the fault and different recharge Conditions on the groundwater flow field.This study provides a scientific basis for the site evaluation of the geological disposal of high level radioactive waste.