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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