Page 137 - 《水资源与水工程学报》2022年第4期
P. 137
!33 " ! 4 # & ' ( ) & * + , - Vol.33No.4
2022 $ 8 % JournalofWaterResources&WaterEngineering Aug.,2022
DOI:10.11705/j.issn.1672-643X.2022.04.18
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FGHIJ:TU992 KLMNO:A KPQJ:1672643X(2022)04013310
OptimizationdesignmethodofLIDfacilitiescouplingNSGA- Ⅱ algorithm
andhighprecisionhydrodynamicmodel
1
1
1
1
1
ZHANGWenqing,HOUJingming,WANGJunhui,ZHOUSimin,LIZhixing,
2
1
LIDonglai,ZHANGSong,YANGXiao 3
(1.StateKeyLaboratoryofEcohydraulicsinNorthwestAridRegionofChina,Xi’anUniversityofTechnology,
Xi’an710048,China;2.SichuanWaterConservancyCollege,Chengdu611845,China;3.PowerChina
NorthwestEngineeringCorporationLimited ,Xi’an710065,China)
Abstract:Hydrologicalmethodsarecommonlyadoptedinthesimulationprocessoftheoptimizationde
signofLIDfacilities ,whichisoftenflawedbylowsimulationaccuracy.Here,anautomaticoptimization
methodforcost-benefitschemesofLIDfacilityoptimizationdesignisproposedbasedontheNSGA- Ⅱ
algorithmandhighprecisionurbanoneandtwodimensionalcoupledhydrodynamicnumericalmodel.
Then ,thismethodisappliedtotheoptimizationdesignofthespongecityconstructioninXixianNewDis
trictofXi’anCity,andthreedifferentconstructioncostschemesoftheindividualandcombinedLIDfa
cilitiesareanalyzedrespectively.Theresultsshowthattheconstructioneffectsoftheindividualfacility
andcombinedLIDfacilitiesincreasewiththeincreaseoftheconstructioncost.Inthesamelowcostcon
structionscheme ,theconstructioneffectofthecombinedLIDfacilitiesislowerthanthatofanindividual
LIDfacility,butastheconstructioncostcontinuestoincrease,thefinalconstructioneffectofthecom
binedLIDfacilitieskeepsincreasingandthenexceedsthatoftheindividualfacility.Usingthismethod ,
decisionmakerscangrasptheinteractionbetweenthecostandeffectoftheconstructionandchoosean
optimalschemefortheconstructionofLIDfacilitiesthatmeetsactualengineeringneeds.
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