地下水渗流力学的发展进程与动向

Development Process and Tendency of the Hydrodynamics of Groundwater

回顾Darcy定律建立150周年来,地下水渗流力学的发展进程。关于经典理论,根据渗流问题的基本方程与计算方法,从地下水资源评价、地下水流系统中的传质与传热、非饱和土渗流、计算渗流力学4个方面,概述其应用研究的发展历程;从参数的尺度效应、非饱和土渗流、非连续介质渗流、带自由面渗流4个方面,概述其发展的研究现状。结合经典理论的缺陷,讨论了现代渗流理论的发展动向;在回顾Biot耦合渗流理论的发展进程的基础上,探讨存在于耦合渗流理论中的可能缺陷,提出结合Biot波动理论的可能解决方向。

The development process of hydrodynamics of groundwater in the 150 years since Darcy＇s law was published was reviewed. Based on the governing equation and computation method of seepage problem of the classical theory, the application and development of hydrodynamics of groundwater was briefly introduced from four aspects： groundwater resources evaluation, quality or heat transmission in groundwater flow system, unsaturated flow and computation of groundwater hydrodynamics. The scale effect of hydrogeologic parameters, unsaturated flow, non--continuum flow and free-surface seepage in the current research status was briefly summarized. By coupling these findings with the basic characteristics of the classical theory, the developing tendency of present hydrodynamics of groundwater is discussed. Based on the summary of the development process of Blot coupling flow theory, the disadvantages of the present coupling flow theory were treated by the seepage elements, however by combing with Blot wave theory, one possible method for solving this disadvantage is proposed.