IMECH-IR  > 环境力学重点实验室(2009-2011)
裂隙岩体非稳态渗流数值模型及其应用
Alternative TitleNUMERICAL MODEL OF UNSTEADY FLUID FLOW IN FRACTURED ROCK AND ITS APPLICATION
刘洋; 李世海; 刘继棠
Source Publication力学与实践
2011
Volume33Issue:6Pages:23-29
ISSN1000-0879
Abstract为解决裂隙岩体非稳态渗流问题,发展了一种新的数值模型。对于单裂隙渗流求解,其控制方程是基于一定假设的简化Navier-Stokes方程,数值方法采用有限差分法和流体体积法。在裂隙网络中,交界处渗流可以由专门的控制方程求解。计算结果表明,该数值模型既可以大幅提高非稳态渗流的计算效率,还可以避免孤立裂隙所带来的影响。最后,通过两个工程算例验证该数值模型的适用性
Other AbstractIn order to solve the problem of unsteady fluid flow in fractured rock,a new numerical model is proposed.For the calculation of fluid flow in a single fracture,the governing equations are simplified Navier-Stokes equations based on some assumptions,which are numerically solved by the finite difference method and the volume of fluid method.In a fracture network,the fluid flow in intersection places is governed by special equations.The results show that this numerical model could not only improve the computational efficiency of unsteady fluid flow in the fractured rock,but also avoid the influence of isolated fractures.Finally,the applicability of the numerical model is validated by two engineering examples.
Keyword裂隙岩体 非稳态渗流 Navier-stokes方程 裂隙网络
Subject Area力学
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Indexed ByCSCD
Language中文
Funding Organization国家重点基础研究发展规划(973)项目(2010CB731503);国家自然科学基金(11002146)资助项目
CSCD IDCSCD:4403280
DepartmentLMFS工程地质体力学(LEM)
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45017
Collection环境力学重点实验室(2009-2011)
Corresponding Author刘洋
Recommended Citation
GB/T 7714
刘洋,李世海,刘继棠. 裂隙岩体非稳态渗流数值模型及其应用[J]. 力学与实践,2011,33(6):23-29.
APA 刘洋,李世海,&刘继棠.(2011).裂隙岩体非稳态渗流数值模型及其应用.力学与实践,33(6),23-29.
MLA 刘洋,et al."裂隙岩体非稳态渗流数值模型及其应用".力学与实践 33.6(2011):23-29.
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