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1、華北電力大學(xué)碩士學(xué)位論文AbstractThearchdamlSacomplexspatialshellstructureandfamousforthereasonablestructureandbeautifulshape．itmakesfulluseofthestrengthofthebuldingmaterialsandsavesalotofquantities，SOitisregardedasoneofthepreferreddam．Butthedesignmethodofarchdamismorecomplex，andthedamshapehasallimportantimpac
2、tonthesecurityandstabilityofthearchdam，SOthispaperproposestheintelligentoptimizationofarchdambasedonANSYSfiniteelement．Firstofall，thispaperdescribesthearchdam’Sbackgroundandimplicationsforresearchaswellastheoptimizationmethodusedathomeandabroad．Nowadays，theshapeoptimizationofarchdamoccupiesanimpor
3、tantpositioninstructuraldesign．Itisanimportantpartofdesignandmanufacturing，andthestaffCanobtainamorecompleteandrationaldesignfromanumberofprograms．Inrecentdecades，av撕etyofoptimizationmethodshavebeenproposedbyscholarsandbeenwidelyusedfortheoptimizationofarchdam，anditmakesremarkableachievements．Acco
4、rdingtothecharactoristicsofthearchdam’Sstress，weshouldtakethetwoaspectsintoconsiderationduringthearchdamdesign，Ontheonehand，combinedwiththeactualsituationofnotensileoftheconcrete，weshouldminimizetensilestressofthedam，andmakethecompressivestressmoreuniforlTl，andthenmaketheloadtransfertoabutmentthro
5、ughthearch；ontheotherhand，theabutment’Sthrustshouldtrytopasstothetwosidesofthemountaintoenhancetheslidingstabilityofskewbackandreducetherockdeformation．Generallyspeaking，threeessentialfactors，thestressofarchdam，thestabilityofabutmentandthecostofarchdam，mustbeconsidered．Secondly,Onthebasisofthefini
6、teelementanalysissoftwareANSYS，thepaperproposesthemodelingandstuctureanlysismethodofarchdambasedonparametricdesignlanguageAPDL．ArchdamparametersautomaticallyreadingandsolidmodelingiscreatedbytheprgrammingofANSYSparametricdesignlanguageAPDL．Itgreatllyreducestherepeatedtimecosumedinconventionaldesig
7、nprocessandthemodificationismoresimpleandefficient．Finally,theauthortakesarchdam’Sgeometricalcharacteristicsasdesignvariables，andtakesthedam’Svolumeandthedam’Sstressassingle-objectiverespectivelytoestablishoptimi
