学科分类
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3 个结果
  • 简介:Intheconceptualstagethefunctiondesignprocessisrealizedbythecomputeraidedapplication.Aftersurveyingonthefunctionspecificationmethodsandthefunctionmodeling,acomputeraidedfunctiondesignenvironmentisanalyzed.Subsequentlybasedonamodulelibraryandprinciplecatalogue,asolutionfindingprocessasapartofconceptualdesignisproposedforacreativedesign.Inaddition,asearchalgorithmtofindthesolutionofadaptablefunctionstructureisalsodiscussed.Theconceptsproposedinthispapercansupportthesubsequentdesignstages,especiallysimulationforcheckingthefunctionstructuredefects.

  • 标签: 概念设计 功能结构 计算机辅助设计 自适应设计
  • 简介:AnovelnumericalmodelbasedontheimageGreenfunctionandfirst-orderTaylorexpansionboundaryelementmethod(TEBEM),whichcanimprovetheaccuracyofthehydrodynamicsimulationforthenon-smoothbody,wasdevelopedtocalculatethesidewalleffectsonfirst-ordermotionresponsesandsecond-orderdriftloadsuponoffshorestructuresinthewavetank.Thismodelwasconfirmedbycomparingittotheresultsfromexperimentsonhydrodynamiccoefficients,namelythefirst-ordermotionresponseandsecond-orderdriftloaduponahemisphere,prolatespheroid,andbox-shapedbargeinthewavetank.Then,thehydrodynamicsoftheKVLCC2modelwerealsocalculatedintwowavetankswithdifferentwidths.Itwasconcludedthatthismodelcanpredictthehydrodynamicsforoffshorestructureseffectively,andthesidewallhasasignificantimpactonthefirstorderquantitiesandsecond-orderdriftloads,whichsatisfiedtheresonantrule.

  • 标签: Taylorexpansionboundaryelementmethod Sidewalleffects IMAGE Green FUNCTION HYDRODYNAMICS