Page 140 - 《水资源与水工程学报》2022年第2期
P. 140

!33 " ! 2 #                       & ' ( ) & * + , -                               Vol.33No.2
               2022 $ 4 %               JournalofWaterResources&WaterEngineering                 Apr.,2022

            DOI:10.11705/j.issn.1672-643X.2022.02.18


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                 HIAJK:TV131;P333   LMNOP:A    LQRK:1672643X(2022)02013608

                Identificationofsensitiveparametersforhydrothermalcouplingmodelof
                                riparianzonebasedonorthogonaltestmethod

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                       LIYuchun,ZHANGWenbing ,RENJie,LIGehang,GANLei,XULiqun
             (1.SuzhouWuzhongDistrictWaterAffairsBureau,Suzhou215128,China;2.CollegeofOceanScienceandEngineering,Shanghai
              MaritimeUniversity ,Shanghai201306,China;3.CollegeofWaterConservancyandHydropowerEngineering,HohaiUniversity,
                 Nanjing210098,China;4.CollegeofWaterResourcesandHydropower,Xi’anUniversityofTechnology,Xi’an710048,
                      China;5.ShanghaiEmbankmentPumpGateConstruction&OperationCenter,Shanghai200080,China)
                 Abstract:Toinvestigatetheinfluenceoftheparametersintheriparianzonehydrothermalcouplingmodel
                 onthefiniteelementcalculationresultsofthetemperatureandlateralhyporheicexchangerate,thesensi
                 tiveparametersofthismodelwereidentifiedusingtheorthogonaltestmethod.Theresultsshowthatthe
                 porosity nhasthegreatestinfluenceonthetemperatureoutputresultsofthehydrothermalcouplingmodel
                 ofriparianzone.Forthelateralhyporheicexchangerate,theinfluenceofhydraulicconductivitykisthe
                                                                                                   s
                 largest ,whereasthatoftheotherparametersarerelativelysmall.Therefore,intheinversionorcalibra
                 tionoftheparametersinthehydrothermalcouplingmodelofriparianzone,theporosityandhydraulic
                 conductivityarerecommendedtobeselectedasthekeyparameters,whiletheparameterswithlowsensi
                 tivitycanbedeterminedbyengineeringanalogyorothermethods ,soastoensurethecalculationaccuracy
                 andimprovethecalculationefficiency.
                 Keywords:riparianzone;hydrothermalcouplingmodel;orthogonaltestmethod;sensitiveparameteri
                 dentification
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