3D Numerical Modeling of Subsurface Flow through Rock Drains and Evaluation of Analytical Solutions

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ANSARI ESHAGH; MASOUDIAN MOHSEN; SEDGHI ASL MOHAMMAD

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Journal: Iranian Journal of Soil and Water Research Year:2019 | Volume:50 | Issue:3 Page(s): 665-674

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Information Journal Paper

Title

3D Numerical Modeling of Subsurface Flow through Rock Drains and Evaluation of Analytical Solutions

Author(s)

ANSARI ESHAGH | MASOUDIAN MOHSEN | SEDGHI ASL MOHAMMAD | Issue Writer Certificate

Keywords

porous mediaQ2

SEEP/3DQ1

watertableQ1

experimental modelQ1

analytical modelQ1

Abstract

In this paper, subsurface flow profiles through coarse porous media have been simulated using a 3-D numerical model with and without surface discharge and their results have been compared with experimental data as well as with analytical solutions. SEEP/3D model, which is based on the finite element method, was used to simulate subsurface flow. The experimental model was consisted of coarse porous media with 6. 4 m in length, 0. 8 m in width and 1 m in height. The experiments were performed for different boundary conditions with two bed slopes of 4 and 20. 3 %. The simulated data of watertableprofiles and seepage discharges were compared with those corresponding experimental data. In no recharge conditions with 4% slope, the numerical data were compared with both experimental and analytical dataindicating that the numerical results underestimated the watertable profilesas compared to the experimental ones. The results was better for the 20. 3%-slope. In surface recharge condition, the numerical results only compared with analytical solution of Bear (1972), and the results indicated underestimation as compared to the experimental data.

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APA: Copy

ANSARI, ESHAGH, MASOUDIAN, MOHSEN, & SEDGHI ASL, MOHAMMAD. (2019). 3D Numerical Modeling of Subsurface Flow through Rock Drains and Evaluation of Analytical Solutions. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 50(3 ), 665-674. SID. https://sid.ir/paper/225391/en

Vancouver: Copy

ANSARI ESHAGH, MASOUDIAN MOHSEN, SEDGHI ASL MOHAMMAD. 3D Numerical Modeling of Subsurface Flow through Rock Drains and Evaluation of Analytical Solutions. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2019;50(3 ):665-674. Available from: https://sid.ir/paper/225391/en

IEEE: Copy

ESHAGH ANSARI, MOHSEN MASOUDIAN, and MOHAMMAD SEDGHI ASL, “3D Numerical Modeling of Subsurface Flow through Rock Drains and Evaluation of Analytical Solutions,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 50, no. 3 , pp. 665–674, 2019, [Online]. Available: https://sid.ir/paper/225391/en

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