Page 37 - 2023年第54卷第6期
P. 37
ResearchprogressofurbanfloodmodelandCPU - GPUheterogeneous
parallelcomputingtechnology
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HUANGGuoru ,CHENZhiwei,ZENGBowei
(1.SouthChinaUniversityofTechnology,SchoolofCivilEngineeringandTransportation,Guangzhou 510640,China;
2.SouthChinaUniversityofTechnology,StateKeyLaboratoryofSubtropicalBuildingScience,Guangzhou 510640,China;
3.GuangdongEngineeringTechnologyResearchCenterofSafetyandGreenizationfor
WaterConservancyProject ,Guangzhou 510640,China)
Abstract:Inthecontextofglobalwarmingandurbanization,urbanfloodisbecomingmoreandmoreserious.In
ordertominimizethelossescausedbyurbanflooddisastersandimprovetheemergencytreatmentlevelofsudden
heavyrainfalleventsincities ,itisofgreatsignificancetocarryoutresearchonurbanfloodnumericalsimulation
technology.Fromtheperspectiveofrefinedandefficientsimulationofurbanflood ,thispaperreviewstheresearch
progressofurbanfloodmodelandCPU - GPU heterogeneousparallelcomputing,systematicallysummarizingthe
constructionmethodsofrunoffyieldandconcentrationmodel,one - dimensionalchannel?drainagenetworkmodel,
two - dimensionalsurfacemodel,coupledmodel,fasturbanfloodmodelandthekeytechnologiesofCPU - GPU
heterogeneousparallelcomputing.Inviewoftheshortcomingsofthecurrenturbanfloodmodelresearch ,itisnec
essarytocarryoutthefullphysicalmechanismsimulationresearchofurbanfloodprocess,anddeeplyanalyzethe
applicability ,simulationaccuracyandcomputationalefficiencyofthefullhydrodynamicurbanfloodmodel.Itisal
sonecessarytorealizetherapidsimulationofone - dimensionalchannel?drainagenetworkandtwo - dimensionalsur
faceinundation ofurban flood modelbased on heterogeneousparallelcomputingtechnology , which laysa
foundationfortherefinedandefficientsimulationofurbanrainstormandflood.
Keywords:urbanflood;runoffyieldandconcentrationmodel;channel?drainagenetworkmodel;surfacemodel;
coupledmodel;heterogeneousparallelcomputing
(责任编辑:耿庆斋)
(上接第 653页)
Developmentandapplicationofhorizontalseam surfaceintelligent
flushingsystem forconcretedam
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CUIBo,CHENGYijiao,GUANTao,WANGXiaoling,TANYaosheng ,CHENWenfu 2,3
(1.StateKeyLaboratoryofHydraulicEngineeringSimulationandSafety,TianjinUniversity,Tianjin 300350,China;
2.ChinaThreeGorgesGroupCorporation,Beijing 100038,China;
3.ChinaThreeGorgesConstructionEngineeringCorporation,Chengdu 610041,China)
Abstract:Thetreatmentofthenewandoldconcretehorizontalconstructionseamsurfaceisakeyprocesstoen
suretheintegrityofthedambodyconcrete.Atpresent,theconstructionofconcretedamsmainlyuseshigh - pres
surewaterartificialpunchingmethodtocontrolthepunchingpositionandpunchingtimebasedonexperience.
Thereareshortcomingssuchashighworkintensityandstrongoperationsubjectivity ,anditisdifficulttoachieve
precisecontrolofpunchingquality.Aimingattheaboveproblems ,thispaperstudiestheintelligentpunching
systemofconcretehorizontaljointsurface.Basedonindustrialrobots ,automaticcontrolandothertechnologies,
intelligentpunchingequipmentisdevelopedtorealizeunmannedpunchingoperationonthesurfaceofconcrete
dams;multi - sourcesensorinformationiscoupledtoestablishakinematicmodelandpathplanningmethodofin
telligentpunchingequipmenttorealizetheautonomyofintelligentpunchingequipmentobstacleavoidance;com
binedwithmachinevisiontheory ,anintelligentclassificationmodelofconcretepunchingsurfaceimagesbasedon
convolutionalneuralnetworkisestablishedtorealizeobjectiveanalysisofpunchingquality;atthesametime,
cloudmonitoringplatformandwirelesscommunicationsubsystemaredevelopedtorealizeintegrationwithintelli
gentpunchingequipmentinformationtransmissionandmulti - platforminterconnectionandinteroperabilitybetween
them ,and effective managementand remote controlofintelligentpunching equipment.In addition, the
feasibilityandreliabilityoftheintelligentburringsystemareverifiedthroughfieldtests.Theresearchresultspro
videnewideasandtechnicalmeansfortherealizationofunmannedoperationandscientificqualitycontrolinthe
burringconstructionofconcretedams ,whichhaverealisticmeaningandapplicationvalue.
Keywords:concretedam;horizontalseam surface;intelligentflushing;unmannedflushing;pathplanning;
machinevision
(责任编辑:李福田)
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