2、K4?%AEFˉ)8:Y。9Y6M67?ZCRM?üˉ<(@eo?¨ˉ)8:
3、,lmno:7?nqN=VM?AaYwT,nqdeM?¥gQ{Nó??¨?。EFˉ)8:Yqùa,VqtoN?Q89àJ。567:EFˉ);ál(BC;]U?ù;¨ˉ)89:;<:V211=>?@A:A=BC<:1671?654X(2017)02?0033?04ApplicationofDiscreteAdjointMethodinAerodynamicShapeOptimizationDesignLIUFeng?bo,HAOHai?bing,LIDian,LIANGYi?hua(Xi′anAeronauticsComputingTechni
4、queResearchInstitute,AVIC,Xi′an710068,China)Abstract:Inordertorapidlysolvetheoptimizationproblemswithlargescaleofdesignvariablesinengineering,asolutionmodulefordiscreteadjointequationsisdevelopedbasedonanin?houseunstructuredCFDsolver(WiseCFD?UG).CombinedwithFFDparameteriza
5、tionanddynamicmeshtechnology,theaerodynamicoptimizationdesignsystemisconstructed.ThissystemissuccessfullyappliedtooptimizationdesigncasesofONERAM6wingandNASADragPredictionWorkshop(DPW)VCommonResearchModel(CRM).Theresultsoftheoptimizationcasesshowthattheshockwaveonthewingcou
6、ldbeeliminatedaftertheoptimizationandthedraghasbeenreduced.Moreover,theresultshaveshownthatthismethodisofgoodfeasibilityandefficiencyinaerodynamicoptimizationdesignandpossesseshigherutilityvalueinengineering.Keywords:aerodynamicoptimization;unstructuredgrid;discreteadjoint
7、method;dragreductionDE?ù5[,:;1S。81S?ù5:}[1]o、?á?o,1S?[01á?5£C??-T!"EF01?y?01?5?nDfe,±±èka01á?5??F!"GH0_jkúnnv].¥?ó?$04O'501yP———qrú,?FQF#kyè?5jk12?$?。??,Jameson¨¨?I?vwQ[2]únST,±j£cj?Wf??)。à@#n,h))P?ù589,±1S?[01QR)O1ST$%1SXY#Z(CFD)5][á?£Ct?m;??^。1à@#,cd?;f,?àh?1CFDUV[C`EF
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9、:2017-02-28LMNO:?ì“973”1U?}òó(2014CB744803)PQRS:êTü(1992-),?,YZ?,]y,?ycd?g1SXY#Z?!?/p>