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- W2040983846 abstract "For the abutment bed scour to reach its equilibrium state, a long flow time is needed. Hence, the employment of usual strategy of simulating such scouring event using the 3D numerical model is very time consuming and less practical. In order to develop an applicable model to consider temporally long abutment scouring process, this study modifies the common approach of 2D shallow water equations (SWEs) model to account for the sediment transport and turbulence, and provides a realistic approach to simulate the long scouring process to reach the full scour equilibrium. Due to the high demand of the 2D SWEs numerical scheme performance to simulate the abutment bed scouring, a recently proposed surface gradient upwind method (SGUM) was also used to improve the simulation of the numerical source terms. The abutment scour experiments of this study were conducted using the facility of Hydraulics Laboratory at Nanyang Technological University, Singapore to compare with the presented 2D SGUM–SWEs model. Fifteen experiments were conducted with their scouring flow durations vary from 46 to 546 h. The comparison shows that the 2D SGUM–SWEs model gives good representation to the experimental results with the practical advantage." @default.
- W2040983846 created "2016-06-24" @default.
- W2040983846 creator A5048821839 @default.
- W2040983846 creator A5090888367 @default.
- W2040983846 date "2013-05-01" @default.
- W2040983846 modified "2023-10-09" @default.
- W2040983846 title "Efficient numerical computation and experimental study of temporally long equilibrium scour development around abutment" @default.
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- W2040983846 doi "https://doi.org/10.1007/s10652-013-9286-3" @default.
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