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:1672643X(2022)02013608
Identificationofsensitiveparametersforhydrothermalcouplingmodelof
riparianzonebasedonorthogonaltestmethod
2,3
5
3
3
1
4
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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