DEVELOPMENT OF TWO INCOMPRESSIBLE SPH METHODS TO SIMULATE SEDIMENTLADEN FREE SURFACE FLOWS

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FARZIN SAEED; HASSANZADEH YOUSEF; AALAMI MOHAMMAD TAGHI; FATEHI ROUHOLLAH

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:12 Page(s): 91-103

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Title

DEVELOPMENT OF TWO INCOMPRESSIBLE SPH METHODS TO SIMULATE SEDIMENTLADEN FREE SURFACE FLOWS

Author(s)

FARZIN SAEED | HASSANZADEH YOUSEF | AALAMI MOHAMMAD TAGHI | FATEHI ROUHOLLAH | Issue Writer Certificate

Keywords

INCOMPRESSIBLE SPH FLOWQ2

EXPLICIT AND IMPLICIT METHODSQ2

SEDIMENT TRANSPORTQ3

BINGHAM PLASTIC MODELQ2

DAM BREAKQ2

Abstract

Two incompressible SPH numerical solvers, including a modified explicit method and a new implicit method have been developed to simulate the sediment-laden free surface flow problems. Using consistent discretization schemes, the proposed explicit method improves somewhat the accuracy of the usual explicit ISPH methods. The implicit method additionally guarantees the incompressibility condition completely. In the presented methods, the liquid phase is modeled using Navier-Stokes equations and to predict the non-Newtonian behavior of the sediment phase, the Bingham plastic rheological model is used. The accuracy and capabilities of the developed incompressible SPH methods is first validated in comparison with available experimental and numerical results of a single-phase water-sediment mixture flow generated by unsteady DAM BREAK problem. Then, they are applied to simulate an eroding DAM BREAK problem with a twophase flow SEDIMENT TRANSPORT. Comparison of the obtained results with the results in the literature shows that the developed methods particularly the implicit one, are very powerful tools for simulation of the problems including SEDIMENT TRANSPORT induced by violent free surface flow, with interactions between flow and sediment and morphological changes in bed.

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APA: Copy

FARZIN, SAEED, HASSANZADEH, YOUSEF, AALAMI, MOHAMMAD TAGHI, & FATEHI, ROUHOLLAH. (2015). DEVELOPMENT OF TWO INCOMPRESSIBLE SPH METHODS TO SIMULATE SEDIMENTLADEN FREE SURFACE FLOWS. MODARES MECHANICAL ENGINEERING, 14(12), 91-103. SID. https://sid.ir/paper/177677/en

Vancouver: Copy

FARZIN SAEED, HASSANZADEH YOUSEF, AALAMI MOHAMMAD TAGHI, FATEHI ROUHOLLAH. DEVELOPMENT OF TWO INCOMPRESSIBLE SPH METHODS TO SIMULATE SEDIMENTLADEN FREE SURFACE FLOWS. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(12):91-103. Available from: https://sid.ir/paper/177677/en

IEEE: Copy

SAEED FARZIN, YOUSEF HASSANZADEH, MOHAMMAD TAGHI AALAMI, and ROUHOLLAH FATEHI, “DEVELOPMENT OF TWO INCOMPRESSIBLE SPH METHODS TO SIMULATE SEDIMENTLADEN FREE SURFACE FLOWS,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 12, pp. 91–103, 2015, [Online]. Available: https://sid.ir/paper/177677/en

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