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Drainage Experiment Numerical Simulation & the Model Evaluation inThe Mining Area Based on FEFLOW

WEI Xin1,YANG Guo-yong2,HU Lin-wei3(Resources and Earth Science School,China University of the Mining Xuzhou 221008,Jiangsu University of Gttingen,Germany 37077)  
The safe of mining area is threatened by bootom water from xu limestone and Ordovician limestone.Determining the water abundance of aquifer and accurate hydrogeologic parameters is critical for safe coal mining,estimation of xu limestone water dewatering and depressurization,as well as prediction on water inflow of mining face.FEFLOW is widely-used codes for groundwater modeling which is based on finite element method.The PEST package inside can obtain and optimum the model parameters,such that increasing the validity of the model and fitness with the field conditions.
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