简介：CADprocessforstructuredesignofboxculvertisintroduced.Itfollowsthetraditionalwayofculvertdesign.Allworkingconditionsofculvertaretakenintoaccount.Itcangenerateloaddiagram,bendingmomentdiagramandbendingmomentenvelopediagramforasingle-hole,double-holeortriple-holeboxculvert.Thatistosay,thewholeCADprocessfortheboxculvertstructuredesignisrealizedwiththeself-developedsystem.IthasbeenusedtoaccomplishseveralprojectsinChinaandtheresultsaresatisfactory.

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简介：AnenhancedsystemarchitectureofWeb-basedproductstructureandconfigurationmanagementsystemalongwithits,functionsareispresented.Thekeytechniques,suchasconstructionofobjectmodelsofproductstructureandproductconfiguration,hybridapproachmethodinproductconfigurationmanagement,sharingandintegrationofheterogeneousproductdata,integrationwithothersub-systems,arediscussedtoo.AprototypesystemisdevelopedbyJ2EEtechnology.

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简介：ＡＭＵＬＴＩＰＬＥＳＴＲＵＣＴＵＲＥＲＥＣＯＮＳＴＲＵＣＴＩＯＮＡＬＧＯＲＩＴＨＭＢＡＳＥＤＯＮＷＩＲＥＦＲＡＭＥＭＯＤＥＬＤｕＪｉａｎｇｃｈｕａｎＰａｕｌＷ．Ｆ．ＰｏｏｎＡｂｓｔｒａｃｔＡ“ＬＡＧ＆ＲＬＣ”ｖｉｓｕａｌｉｚａｔｉｏｎａｌｇｏｒｉｔｈ...

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简介：WiththedeepresearchofknowledgeengineeringandthewidespreadapplicationsofCADtechnology,thejoiningofknowledgeengineeringwithCADisthefocusofadvancedmanufacturing.Anintelligentapproachispresentedforconfiguratingthetypicalstructuralcomponentsofradar.Casebasedreasoning,rulebasedreasoning,geometric,constraintsolvinganddomainontologyaremergedintoacompoundknowledgemodel.Themainframeandworkflowofradartypicalstructuralcomponentdesignsystemareillustrated.Experimentsshowthisapproachisefficientandeffective.

简介：Aimingattheproblemssuchasmorerepeatedlydesignandlongerdesigncycle,inthispaper,thesimilaritytheorywasintroducedtothedesignprocessofthekeystructuresofflotationmachine.TheimpellerandU-shapedtankofflotationmachinesystemwereanalyzedassimilarityunit.Meanwhile,thelevelofsimilarityoftheunitsandthesimilarityofthesystemwerecalculated.BasedontheanalysisoftheimpellerandthesizeofU-shapedtank,thesimilaritycriteriawerederived.Thederivedconclusionsare:(1)Therelationshipbetweenthediameteroftheimpellerandthevolumeofthetankwaspowerfunctionandcalculatedasthesimilaritycriteriaoftheimpeller;(2)TherelationshipbetweentheratiobetweentheU-shapedtank’scross-sectionalareaandimpeller’sdiameterandthevolumeofthetankwaspowerfunctionandcalculatedasthesimilaritycriterionsoftheU-shapedtank.Usingthesimilaritycriterioncombinedwithcomputertechnologyanddatabasetechnologytorealizepartandsystemserializationdesign.Theresultsshowthattheresearchcanavoidrepeatedlydesign,shortendesigncycle,andraisethedesignefficiency.

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简介：Tosolvetheexistingproblemsduringtheceramicmoldenterprisesproductdesignanddevelopmentprocess,thevariablestructureparametricdesignsystembasedonmodularofceramicmoldhasbeendeveloped.Thesystemusestheobject-orientedtechnologyandtop-downdesignconceptasaguide,establishesaceramicmoldparametricdesignprocess,dividestheprocessofceramicmolddesignintomodulesofdifferentlevelsandcreatesacomponentmodellibrarybasedonthefunctionalanalysis.Expandingmodularthinkingtopartsstructuredesignlevelisaneffectivesolutiontothedifficultyofchangingthestructureduringtheproductdesignprocess.Examplesshowthatthesystemcanachieveaceramicmoldproductdesign,improvedesignefficiency.

简介：Thisworkintroducesascalableandefficienttopologicalstructurefortetrahedralandhexahedralmeshes.Thedesignofthedatastructureaimsatmaximalflexibilityandhighperformance.Itprovidesahighscalabilitybyusinghierarchicalrepresentationsoftopologicalelements.Theproposeddatastructureisarray-based,anditisacompactrepresentationofthehalf-edgedatastructureforvolumeelementsandhalf-facedatastructureforvolumetricmeshes.Thisguaranteesconstantaccesstimetotheneighborsofthetopologicalelements.Inaddition,anopen-sourceimplementationnamedOpenVolumetricMesh(OVM)oftheproposeddatastructureiswritteninC++usinggenericprogrammingconcepts.

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简介：Thebuildinginformationmodel/modeling(BIM)technologyiscurrentlyappliedinabroadrangeofapplicationsandresearchforfacilitymanagement,whiletheBIM-basedmobileFMisdifficultowingtovariousfactorsandenvironments.Forexample,themobileapplicationsusuallyrequirefrequentcross-equipmentcompatibility.ThispaperproposesareasonableBIM-basedFMcross-platformframeworkanddevelopsamobileapplicationonthebasisofanexistingBIM-basedFMsystem.ThedevelopedmobileapplicationisappliedinacasestudyofametrostationprojectinGuangzhoutoverifyitseffectivenessinFMpractice.IthelpsmaintenancestaffinviewingBIMs,accessingrelatedinformation,andupdatingmaintenancerecordsinauniqueplatform.ThetestresultsdemonstratethattheproposedBIM-basedcross-platformframeworkmeettheFMapplicationrequirementsandsupportstheextensionofFMfunctions.

简介：Thereportmainlystudiedthecrawlerframemotionplatformtoreduceweightandincreasetheintensity.ReportdescribedthestructuraldesignprocesswhichusingCAD/CAEtechnologyforsolidmodeling,simulationanalysis,parameteroptimization.AnditalsoexplainedtheoutstandingadvantagesofCAD/CAEtechnologyinmechanicaldesignaswellassimulationanalysis.