橋梁CAD軟件組件開發(fā)技術(shù)研究.pdf

1、同濟大學(xué)碩士學(xué)位論文橋梁CAD軟件組件開發(fā)技術(shù)研究姓名：滿曉麟申請學(xué)位級別：碩士專業(yè)：橋梁及隧道工程指導(dǎo)教師：石洞王書慶20000401AbstractAbstractDuetothe1imitationofdevelopmentmechanismandcapacitythebridgeCADapplicationsofourcountrydevelopratherslowlyoveralongperiodoftime。ThecmTen

2、tCADapplicationlevelcannotmeettherequirementsofbridgedesignpracticesHowtoimprovethequalilyofCADsoftwareandenhancethedevelopmentemciencyisofgreatimportancefortheprogressofourbridgeCADapplicationlevelAsthemostuptodatesoftw

3、aredevelopmenttechniquecomponenttechnologyfacilitatesthereuseofsoftwaremodulesandaccomplishesthetransparentinteroperabilityandindependentevolutionsofcomponenBThereforeiteffectivelysolvessomeofthemostperplexingproblemsoft

4、raditionalsoftwaredevelopmentsuchaslowdevelopmentefficiencyhigllmaintenancecostsanddi街cultversionconlx01Asaresult，componenttechnologyhasbeenwidelyappliedinthedevelopmentofvarioussoftwaresystemssuchasoperatingsystems，desk

5、topapplicationsanddistributedapplications，andachievednotableprofitsThisthesisfocusesonintroducingcomponenttechnologyiritethedevelopmentofbridgeCADapplicationsItpresentstheideaofcomponentbaseddevelopmentofBridgeCADsoftwar

6、eanddemonstratesitsfeasibilitywithsampleapplicationsFurthermoreconsideringthecloserelationbetweencomponentandwebbasedapplicationsapreliminaryarchitectureforW色b，basedBridgeCADsystemsjsalsoproposedThefirsttwochaptersmainly

7、expoundthenecessityofcomponentbaseddevelopmentofBridgeCADsoftwareFirstthemainfactorsthatrestrictthedevelopmentofbridgeCADapplicationsareanalyzedandtheintrinsicdefectsoftraditionalsoftwaredevelopmentmethodelegiesandtechno

8、logiesarejntroducedTbellthefundamenta】conceptsofcomponentthebenefitsofcomponentbasedevelopmentandtheexistingemploymentstatusaseexplainedind舊tailInchapter3twodominatingcomponentarchitecturesCORBAandCOMarecomparedcomprehen

9、sivelyBasedontheanalysisoftheirrespectivefeaturesandthecurrentCADdevelopmentsituationthereasonsforchoosingCOMasthedevelopmentmodelofcomponentbasedbridgeCADapplicationsarepresentedChapter4dealswiththedevelopmentdetailsoft

10、hreekindsofCOMcomponents，COMobjects，codecomponentsandAcfiveXcontrolswimtheimplementationofsampleapplications，thechapterprovesthefeasibilityofcomponentbasedevelopmentandprovidessomesnggestionsinchoosingpropercomponenttech

11、nologiesanddevelopmenttoolsto“司specificbridgeCADapplicationtasksChapter5jnlroducestheprevailingWeb—basedapplicationmodel，Inetarchitecture，andinvestigatesthetechnicaldetailsofimplementingdistributedbridgeCADsystemsontheba

12、sisofWindowsDNAInthischapteramodelforWebbasedBridgeCADApplicationSystemsisbroughtforwardandseveralkeyproblemsforfurtherresearchaseproposedFinallytheimportanceofconstructingcomponentbasedbridgeCADdevelopmentspecificationw

13、hichisvitalforestablishinganopendevelopmentenvironment，isemphasizedThisthesisstudiesthetheoryofcomponent—baseddevelopmentandconductspracticaldevelopmentwithCOMbasedcomponenttechnologiesItbuildsupanelementaryfoundalienfor