ONE-AND TWO-DIMENSIONAL COUPLED HYDRODYNAMICS MODEL FOR DAM BREAK FLOW

(整期优先)网络出版时间:2007-06-16
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1-Dand2-Dmathematicalmodelsfordambreakflowwereestablishedandverifiedwiththemeasureddatainlaboratory.The1-Dand2-Dmodelswerethencoupled,andusedtosimulatethedambreakflowfromthereservoirtailtothedamsite,thepropagationofdambreakwavesinthedownstreamchannel,andthesubmergenceofdambreakflowinthedownstreamtownwiththehydrodynamicsmethod.Asanumericalexample,thepresentedmodelwasemployedtosimulatedambreakflowofahydropowerstationunderconstruction.Insimulation,differentdam-breakdurations,upstreamflowsandwaterlevelsinfrontofdamwereconsidered,andtheseinfluencingfactorsofdambreakflowwereanalyzed,whichcouldbereferencedinplanninganddesigninghydropowerstations.