4Lacy S J,Prevost J H.Flow through Porous Media: A Procedure for Locating the Free Surface [J].Intemational Journal for Numerical and Analytical Methods in Geomeehanics,1987(11):585-601.
5Hans-Jerg G D.FeFlow有限元地下水流系统[M].孙祥光,王井泉,翁明华,译.徐州:中国矿业大学出版社,2000.