[1]Institute of Applied Physics and Computational Mathematics;
Beijing 100088;
China;
[2]CAEP Software Center for High Performance Numerical Simulation;
Beijing 100088;
China;
[3]School of Water Resources and Environmental Science;
China University of Geosciences (Beijing);
Beijing 100083;
China;
Groundwater flow simulation; Parallel algebraic algorithms; Krylov subspacemethods; Preconditioning; GPU computing; Parallel computing framework;