Method and system for evaluating influence of mining area coal seam mining on underground water flow field

The invention relates to the technical field of numerical simulation, in particular to a method and system for evaluating the influence of mining area coal seam mining on an underground water flow field, and the method comprises the steps: S1, building a hydrogeological conceptual model of a specified mining area; s2, utilizing Visual MODFLOW software to establish a numerical model according to a pre-established hydrogeological conceptual model of a specified mining area; s3, identifying and verifying the numerical model by adopting actual observation data of a specified mining area to obtain an identified and verified numerical model; s4, predicting the influence of coal mining on the underground water flow field by using the verified numerical model to obtain a prediction result; and S5, based on the prediction result, evaluating the influence of coal mining of the specified mining area on the underground water flow field. 本发明涉及数值模拟技术领域，尤其涉及一种矿区煤层开采对地下水流场影响的评价方法及系统，所述方法包括：S1、建立指定矿区的水文地质概念模型；S2、利用Visual MODF