Numerical simulation of porous spur dyke using Flow 3D software

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CHESHOMI ALI; BEHNAMTALAB EHSAN; Khamchin Moqadam Farhad

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Journal: JOURNAL OF HYDRAULICS Year:2019 | Volume:14 | Issue:1 (141) Page(s): 35-48

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Title

Numerical simulation of porous spur dyke using Flow 3D software

Author(s)

CHESHOMI ALI | BEHNAMTALAB EHSAN | Khamchin Moqadam Farhad | Issue Writer Certificate

Keywords

Porous spur dykeQ1

Numerical simulationQ2

Forschheimer modelQ1

Drag coefficientQ1

Flow3DQ2

Abstract

In the present research, effects of a porous spur-dyke on the hydraulic characteristics of the flow in an open-channel have been numerically studied through non-linear Forschheimer model. The Numerical simulations were performed in Flow3D package using RNG k-epsilon turbulence closure model. During simulations of the porous spur-dyke, suitable Friesheimer non-linear coefficients were determined for various cases with the sensitivity analysis. The sensitivity analysis and comparisons of the numerical results with the results of the physical model showed that most of parameters are completely dependent to Friesheimer non-linear term and the proposed software range for Friesheimer nonlinear coefficient is not suitable. The results showed that by increasing of the porosity of the Porous spur dyke, the flow velocity and also the effect area of the maximum velocity will decrease. Also, by increasing of the porosity of the Porous spur dyke, the upstream water depth of the spur dyke will decrease and the downstream water depth of the spur dyke will increase. It was also observed that by increasing of the porosity of the Porous spur dyke, the maximum value of the velocity decreases and the minimum value of it increases.

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APA: Copy

CHESHOMI, ALI, BEHNAMTALAB, EHSAN, & Khamchin Moqadam, Farhad. (2019). Numerical simulation of porous spur dyke using Flow 3D software. JOURNAL OF HYDRAULICS, 14(1 (141) ), 35-48. SID. https://sid.ir/paper/124225/en

Vancouver: Copy

CHESHOMI ALI, BEHNAMTALAB EHSAN, Khamchin Moqadam Farhad. Numerical simulation of porous spur dyke using Flow 3D software. JOURNAL OF HYDRAULICS[Internet]. 2019;14(1 (141) ):35-48. Available from: https://sid.ir/paper/124225/en

IEEE: Copy

ALI CHESHOMI, EHSAN BEHNAMTALAB, and Farhad Khamchin Moqadam, “Numerical simulation of porous spur dyke using Flow 3D software,” JOURNAL OF HYDRAULICS, vol. 14, no. 1 (141) , pp. 35–48, 2019, [Online]. Available: https://sid.ir/paper/124225/en

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