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混沌差分算法在确定河流水质模型参数中的应用.docx

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混沌差分算法在确定河流水质模型参数中的应用 Title:ApplicationofChaoticDifferenceAlgorithminDeterminingParametersofRiverWaterQualityModeling Abstract: Thestudyofriverwaterqualitymodelingplaysavitalroleinunderstandingandmanagingwaterresources.Accuratemodelingofwaterqualityparameterscanhelpidentifypollutionsources,developeffectivemanagementstrategies,andensurethesustainabilityofaquaticecosystems.Thechaoticdifferencealgorithm(CDA)isapowerfuloptimizationtechniquethatcanbeappliedtodeterminethesetofparametersforriverwaterqualitymodels,providingarobustandefficientsolution.ThispaperaimstoexploreandanalyzetheapplicationoftheCDAindeterminingtheparametersoftheriverwaterqualitymodeling. 1.Introduction: Waterqualitymodelinginvolvesutilizingmathematicalmodelstosimulatethebehavioranddynamicsofvariouswaterqualityparameters,suchastemperature,pH,dissolvedoxygen,andpollutantconcentrations,inriversystems.Thesemodelsrelyonasetofparametersthatdictatethebehaviorandinteractionsofdifferentcomponentswithinthesystem.Determiningtheseparametersaccuratelyiscrucialforreliablepredictionsandeffectivewatermanagement. 2.ChaoticDifferenceAlgorithm: TheChaoticDifferenceAlgorithm,inspiredbychaostheory,isarelativelynewmetaheuristicoptimizationtechnique.Itpossessesuniquecharacteristicssuchasrandomness,ergodicity,andergodicity.TheCDAovercomeslimitationsintraditionaloptimizationtechniquesbyexploitingchaoticmapstogenerateinitialsolutionsandpromoteexplorationandexploitationofthesearchspace.Thealgorithmhasproventobeefficientandeffectiveinsolvingcomplexoptimizationproblems. 3.ApplicationofCDAinParameterOptimizationofRiverWaterQualityModels: TheCDAcanbeeffectivelyappliedtodeterminetheparametersofriverwaterqualitymodels.Theprocessinvolvesthefollowingsteps: a)Identifyingthemodel:selectinganappropriatemathematicalmodeltorepresenttheriversystemisthefirststep.CommonlyusedmodelsincludetheStreeter-Phelpsmodel,theQUAL2Kmodel,andtheBetterAssessmentScienceIntegratingPointandNon-pointSourcesmodel. b)Definingtheobjectivefunction:theobjectivefunct