水利水电技术2018，Vol.49Issue(3)：67-72,6.DOI:10.13928/j.cnki.wrahe.2018.03.010
基于Fluent的混凝土面板堆石坝渗流的数值模拟
Fluent-based numerical simulation on seepage flow of concrete face rockfill dam
摘要
Abstract
Aiming at the problem of seepage flow control of the dam built on the foundation with deep overburden,the module—User-Defined Function (UDF) in Fluent is secondarily developed,and then it is again loaded into Fluent and the applications of porous media model through C language programming.Moreover,the Fluent-based numerical simulation on dam seepage flow is made with finite volume method.Through the simulation made on the seepage flow of the homogeneous dam built on impervious foundation and the pressure-seepage flow in foundation,it is verified that the simulation of seepage flow has a quite higher coincidence degree,if it is compared with that from experiment,in which the maximum relative error from solving seepage line in the simulation on the seepage flow of homogeneous dam is not over 1.19％,while the relative error of the velocity in the simulation of pressure-seepage flow in foundation is within 5％ and the relative errors of both the seepage amount and the seepage pressure are about 1％.Comparatively,the result from the UDF method is more accurate,which indicates that the UDF method has a higher theoretical accuracy.The UDF method is applied to simulate the seepage flow of the concrete face rockfill dam of a reservoir,and then the surface of seepage as well as the flow chart and the contour chart of water head distribution are obtained with better simulated results.关键词
渗流/数值模拟/Fluent/多孔介质/UDF/混凝土面板堆石坝Key words
seepage flow/numerical simulation/Fluent/porous media/user-defined function (UDF)/concrete face rockfill dam分类
水利科学引用本文复制引用
王星,任立群,顾声龙,董国发..基于Fluent的混凝土面板堆石坝渗流的数值模拟[J].水利水电技术,2018,49(3):67-72,6.基金项目
国家自然科学基金项目(51479087) （51479087）
水沙科学与水利水电工程国家重点实验室开放研究基金资助课题(sklhse-2015-B-02) （sklhse-2015-B-02）
