摘 要: | I.INT~UCrtONConsiderasteady-stateflowinasine-generatedmeanderingchannel:thechannelcross-sectionisrectangular,theflowwidthisuniform,thechannelbedisflatandrough.Thecomputationofsuchaflowiscarriedoutnowadaysbysolvingnumericallythetwo(longitudinalandradial)vertically-averagedequationsofmotionandthevertically-averagedequationofcontinuity(seee.g.theworksofSmith,MeLeanandNelson(SMITH,J.D,etal.,1984;NelsonandSmith,1989a&hi,Struiksmaetal.StruiksmaandGrosato,1989;Struiksma,etal.,1985;Struiks…
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