Flow through porous media: A procedure for locating the free surface
Flow through porous media: A procedure for locating the free surface
复制标题
DOI：
10.1002/nag.1610110605
复制
发表时间：
1987-11
影响因子：
4
通讯作者：
S. J. Lacy;J. Prévost
中科院分区：
文献类型：
--
作者：
S. J. Lacy;J. Prévost
开发了有限元程序来精确定位穿过多孔介质的无侧限渗流的自由表面。自由表面被视为湿土和干土之间的边界，饱和区域的流动符合达西定律。该方法涉及的方程和网格划分与涉及同时求解孔隙流体压力和土壤骨架位移的岩土工程问题的一般公式完全一致。通过解决土体结构的各种无侧限渗流问题，证明了所提出程序的准确性和多功能性。自由表面和流网用于计算流场。
A finite element procedure is developed to accurately locate the free surface of unconfined seepage flow through porous media. The free surface is taken as the boundary between wet and dry soils, with flow in the saturated region characterized by Darcy's law. The method involves equations and meshing which are fully consistent with a general formulation for geotechnical engineering problems involving simultaneous solution of pore fluid pressures and soil skeleton displacements. Accuracy and versatility of the proposed procedure are demonstrated by solving various unconfined seepage flow problems through earth structures. Free surfaces and flownets are presented for the calculated flow fields.