简介:Inthispaper,weproposeaparametricmodelingmethodtoreconstructtheHui-Styleandsolvetheproblemthattheusercan’teffectivelyreconstructtheHui-StylethreedimensionalmodelsbecauseofthevariousstyleandcomplicatedstructureofHui-Stylecomponents.ThismodelincludessummarizinganddefiningavarietyofHui-Stylecomponentsparametertypes.Determinetherelationshipbetweentheparameteraccordingtobuildingformulasanddesigntheparametricmodelingprocess.First,setthedepthofplatformasthegivenuservalue.Then,calculatethecomponentpropertiesandthecorrespondingsizeaccordingtothestyleoftheHui-StylearchitecturecomponentsandtheconstraintrelationbetweenHui-Stylearchitecturecomponents.Thisneedsonlyoneparameterthatisneededasthebasicparameterinthismethodandtheentiremodelingprocesscanbeachievedbasedonit.TheexperimentalresultshowsthattheproposedmethodcanwellsolvethecomplexparametersrelationshipoftheHui-StylearchitecturecomponentsandhelpthegeneraluserstoconstructtheHui-Stylearchitecturecomponentsmoreeffective.
简介:Inordertoovercomemanyproblemsandshortcomingsofourthree-dimensionaldesigneducationinmechanicaldrawing,makethestudentsmasterthemoderndesignmethodandtechnologyeasily,modernmodelingmethodandshapingmethodareintroduced,andtheshapingdesigningmethodsofassembled-bodyareanalyzedincludingbasicrequirementsforshapingdesign,commonprinciplesofshapingandshapingdesignmethod.Itwillbehelpfultoimprovethespatialimaginationandmodellingabilityofstudent.
简介:Currently,daylightingductssystemiswidelyusedasadaylightingdevice.Generally,daylightingductsystemefficientlytakeslightfromoutsideduringtheday,andconveysdaylighttorequiredlocationthroughlightductmanufacturedbyhighreflectancemirror.Daylightingductsystemcanconveydaylighttoundergroundspacethathasnowindowsopeningtoexternalspace.Daylightingsystemiscomposedoflightcollectionpart,lightguidepartandlightemissionpart.Efficiencyofdaylightingsystemisdependingontypeofeachpartusedinthesystem.However,itisverydifficulttoestimateexactlightflowinthesystemconsideringtypeoftheparts.Authorsperformedmeasurementexperimentstomakeclearthelightflowwithreal-sizemodelandminiaturemodelofdaylightingductsystem.Wediscussedeffectoftypeofthepartsonefficiencyofdaylightingductsystem.
简介:Non-destructivetesting(NDT)hasbeenwidelyusedinmanyfields,wecaneasilyseeitisbeingusedinshipbuilding,aerospace,weaponsmanufacturingandsoon.ICTisoneofthebestnondestructivetestingmethodscurrently,butithasnotbeenusedwidely,becauseitrequiresmuchcomputeandcostsmuchtime.Defectlocationisoneofthemostimportantprocessingstepsinthedigitalimageanalysis.Defectlocationwouldcorrespondinglyreducethetimespentinthetesting.Wemayonlyrequirelocatingthedefectsinsomecase.So,wedividetheCTimagesintoseverallittleblockswhichthesquareisequal,andthencalculatethefractaloneachblock.Bydeterminingthevalueandconnectedregionnumberofthefractaldimension,wecanlocatedefectsoftheimage.Theresultsshowthattheblockfractaldimensionisausefulandtime-savingdefectlocationmethod.
简介:Inordertoenhancethebearingcapacityofnon-circulargearpair,thenon-circulargearpairwithdoublegeneratinganglesisproposedbasedonthedesignideaofunsymmetricalgearwithdoublepressureangles.Thetoothprofileisdesignedbygeneratingcuttingtheory,thepurerollingmathematicmodelthatthecenterlineofunsymmetricalrackrollalongnon-circularpitchcurveisbuilt,thedigitalmodelofnon-circulargearwithdoublegeneratinganglesiscreatedthroughtheseconddevelopmentmethodofCADsoftware,andthenthedrivecharacteristicandtoothstrengthareanalyzed.Theresultsshowthatthedesignmethodfordoublegeneratinganglesnon-circulargearproposedinthispaperisfeasible,whichissignificanttoimprovethebearingcapacityofnon-circulargearpair.