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    Semianalytical Solutions for One-Dimensional Unsteady Nonequilibrium Suspended Sediment Transport in Channels with Arbitrary Eddy Viscosity Distributions and Realistic Boundary Conditions

    Source: Journal of Hydraulic Engineering:;2014:;Volume ( 140 ):;issue: 005
    Author:
    X. Liu
    ,
    M. Nayamatullah
    DOI: 10.1061/(ASCE)HY.1943-7900.0000874
    Publisher: American Society of Civil Engineers
    Abstract: This paper presents a new semianalytical approach for the solution of suspended sediment transport in channels under uniform conditions using generalized integral transform technique (GITT). Comparing with previous analytical work, this new approach is not limited by the sediment diffusivity distribution and boundary conditions. Instead, it solves the suspended sediment transport equation with arbitrary distribution of eddy diffusivity. The solutions also consider realistic boundary conditions at the free surface and the bed. The new solutions converge fast and compare well with previous analytical solutions as well as numerical solutions from a high-resolution spectral code. With this new analytical approach, a library of solutions for suspended sediment concentration can be developed. It gives deeper insight into the physical process of the problem and provides benchmarks for the validation of numerical models.
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      Semianalytical Solutions for One-Dimensional Unsteady Nonequilibrium Suspended Sediment Transport in Channels with Arbitrary Eddy Viscosity Distributions and Realistic Boundary Conditions

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    http://yetl.yabesh.ir/yetl1/handle/yetl/73051
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    contributor authorX. Liu
    contributor authorM. Nayamatullah
    date accessioned2017-05-08T22:11:08Z
    date available2017-05-08T22:11:08Z
    date copyrightMay 2014
    date issued2014
    identifier other37641231.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/73051
    description abstractThis paper presents a new semianalytical approach for the solution of suspended sediment transport in channels under uniform conditions using generalized integral transform technique (GITT). Comparing with previous analytical work, this new approach is not limited by the sediment diffusivity distribution and boundary conditions. Instead, it solves the suspended sediment transport equation with arbitrary distribution of eddy diffusivity. The solutions also consider realistic boundary conditions at the free surface and the bed. The new solutions converge fast and compare well with previous analytical solutions as well as numerical solutions from a high-resolution spectral code. With this new analytical approach, a library of solutions for suspended sediment concentration can be developed. It gives deeper insight into the physical process of the problem and provides benchmarks for the validation of numerical models.
    publisherAmerican Society of Civil Engineers
    titleSemianalytical Solutions for One-Dimensional Unsteady Nonequilibrium Suspended Sediment Transport in Channels with Arbitrary Eddy Viscosity Distributions and Realistic Boundary Conditions
    typeJournal Paper
    journal volume140
    journal issue5
    journal titleJournal of Hydraulic Engineering
    identifier doi10.1061/(ASCE)HY.1943-7900.0000874
    treeJournal of Hydraulic Engineering:;2014:;Volume ( 140 ):;issue: 005
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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