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    Diagonal Cartesian Method for the Numerical Simulation of Flow and Suspended Sediment Transport over Complex Boundaries

    Source: Journal of Hydraulic Engineering:;2006:;Volume ( 132 ):;issue: 011
    Author:
    Hongwei Fang
    ,
    Bin Liu
    ,
    Bingbin Huang
    DOI: 10.1061/(ASCE)0733-9429(2006)132:11(1195)
    Publisher: American Society of Civil Engineers
    Abstract: There is increasing demand for simulation tools of flow and suspended sediment transport over complex boundaries in hydraulic engineering. The diagonal Cartesian method, which approximates complex boundaries using both Cartesian grid lines and diagonal lines segments, is presented in the paper to simulate the complex boundaries of two-dimensional shallow-water turbulence equations and nonequilibrium suspended sediment transport equation. The method, which utilizes cell-centered nodes on a nonstaggered grid, uses boundary velocity information at the wall boundary to avoid the specification of water level. An enlarged finite-difference method is introduced for momentum and suspended sediment equations on the complex boundary. This paper describes an application of the diagonal Cartesian method to calculate the tidal current and suspended sediment concentration of Quanzhou Bay in the Fujian province of China. The results show that the method predicts the flow and suspended sediment concentration well, and the calculations agree well with the measurement.
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      Diagonal Cartesian Method for the Numerical Simulation of Flow and Suspended Sediment Transport over Complex Boundaries

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    http://yetl.yabesh.ir/yetl1/handle/yetl/26026
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    contributor authorHongwei Fang
    contributor authorBin Liu
    contributor authorBingbin Huang
    date accessioned2017-05-08T20:45:20Z
    date available2017-05-08T20:45:20Z
    date copyrightNovember 2006
    date issued2006
    identifier other%28asce%290733-9429%282006%29132%3A11%281195%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/26026
    description abstractThere is increasing demand for simulation tools of flow and suspended sediment transport over complex boundaries in hydraulic engineering. The diagonal Cartesian method, which approximates complex boundaries using both Cartesian grid lines and diagonal lines segments, is presented in the paper to simulate the complex boundaries of two-dimensional shallow-water turbulence equations and nonequilibrium suspended sediment transport equation. The method, which utilizes cell-centered nodes on a nonstaggered grid, uses boundary velocity information at the wall boundary to avoid the specification of water level. An enlarged finite-difference method is introduced for momentum and suspended sediment equations on the complex boundary. This paper describes an application of the diagonal Cartesian method to calculate the tidal current and suspended sediment concentration of Quanzhou Bay in the Fujian province of China. The results show that the method predicts the flow and suspended sediment concentration well, and the calculations agree well with the measurement.
    publisherAmerican Society of Civil Engineers
    titleDiagonal Cartesian Method for the Numerical Simulation of Flow and Suspended Sediment Transport over Complex Boundaries
    typeJournal Paper
    journal volume132
    journal issue11
    journal titleJournal of Hydraulic Engineering
    identifier doi10.1061/(ASCE)0733-9429(2006)132:11(1195)
    treeJournal of Hydraulic Engineering:;2006:;Volume ( 132 ):;issue: 011
    contenttypeFulltext
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