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Apr 26, 2012
Analysis of Seepage through Dam Foundation Using Smoothed Particle Hydrodynamics (SPH) Meshless Method
Authors: Zeinab Takbiri ze [email protected], Amin Rasekh, Ph.D. [email protected], and Mohammad Hadi Afshar [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2010: Challenges of Change
Abstract
Water seepage is a common problem in most of dam sites, in which the impounded water finds the escape routes with least resistance through the dam body and foundation. Typically, grid-based approaches have been frequently employed to tackle this problem. However, generation of appropriate grid is a very burdensome and time-consuming task specifically in problems with complex geometry. To overcome this problem, this paper employs Lagrangian-based smoothed particle hydrodynamics (SPH) meshless method to analyze the seepage through dam foundation. The SPH method is applied to Chapar-Abad Dam located in northwest of Iran. The presence of thick alluvium deposits with different permeability coefficients demonstrates possible seepage problems. Although implementation of the SPH method in much easier than grid-based methods, the results of this method are in good agreement with those of a frequently used grid-based method, i.e. Finite Elements Method (FEM). To attain a general vision of seepage flow beneath the dam, the seepage maps obtained from both SPH and FEM methods are shown separately and the results are compared. Conclusively, the results demonstrate the practicability and performance of SPH method in analysis of seepage specifically for the problems with complex geometry.
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© 2010 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Research Assistant, Department of Civil Engineering, Iran University of Science and Technology, Tehran 1684613114, Iran. E-mail: ze [email protected]
Student, Zachry Department of Civil Engineering, Texas A&M University, College Station, TX 77843. E-mail: [email protected]
Associate Professor, Department of Civil Engineering, Iran University of Science and Technology, Tehran 1684613114, Iran. E-mail: [email protected]
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