简介：在BSDE的发电机g上的Lipschitz和方形的integrable假设下面，如果g是确实同类的在，这篇论文证明那(y，z)并且在y正在减少，那么，为有发电机g的BSDE的片刻不平等一般来说成立，并且如果g是确实同类的并且亚添加剂在(y，z)，那么，为有发电机g的BSDE的Hölder不平等和Minkowski不平等一般来说成立。

简介：OnApril23rd,ChinaDatangCorporationandEdFofFranceheldasigningceremonyforajoint-venturecontractofDatangSanmenxiaPowerGenerationCompanyLtd.inHenanProvince.ThisisthefirstcooperationprojectbetweenDatangandEdF.TheDatangSanmenxiaPowerGenerationCompany

简介：WewillstudythestrongapproximationbyFourier-Vilenkinseriesusingmatriceswithsomegeneralmonotonecondition.ThestrongVallee-Poussin,whichmeansofFourier-Vilenkinseriesarealsoinvestigated.

简介：Inthiscontribution,insideturningofathin-walledcylinderisinvestigatedinsimulation.Self-excitedvibrationscanariseduetorepeatedcuttingofthesamesurface,thatleadtoinstability.Aflexiblemultibodysystemmodelofthesystemisthebasisforasubsequentanalysisofthestabilityoftheprocess.Stabilityanalysisisdoneusinganapproximationasatime-discretesystemviathesemi-discretizationmethod.Anadaptronicturningchiselcomprisingapiezoactuatorandsensorsisthenusedincombinationwithdifferentcontrolconceptstoimprovethestabilityoftheprocess.Theeffectivenessofthedifferentstrategiesiscomparedbasedontheinfluenceonthestabilitycharts.AclassicH∞controllerbasedonamodelofthecoupledsystemofworkpieceandtoolcanonlyyieldsomeimprovements,whenanadditionalmeasurementoftheworkpiecedisplacementisadded.IncorporatingknowledgeonthecuttingprocesscouplingworkpieceandtoolusingagainscheduledH∞controllerallowsfurtherimprovements.However,robustnesswithrespecttomodeluncertainties,notablyconcerningtheforcelaw,remainsanissue.

简介：本文指出[1]中关于Ap权反向Hoelder不等式的证明有误并给出一个正确的证明．

简介：Thispaperinvestigatestheequivalentmodelforthefrictionboundaryconditionbetweenblankandholderduringsheetmetalformingsimulation,andproposesanequivalentalgorithm,thethicknessthresholdvaluealgorithm,forthefirsttimebasedonthicknessweighting.Thisalgorithmassumesthattheholderclearanceisuniformduringsheetmetalforming;andthemainreasonfortheunevennessoffrictionforcedistributionundertheholderisthattheunevendeformationoftheblankleadstoitsuneventhicknessdistribution,whichmakesthelocalpressureontheblankdistributedunevenly.Thealgorithmproposedinthispapercaneffectivelysimulatetheinfluenceoftheunevennessontheformingprocess.Validityofthisalgorithmisverifiedbyacomparisonbetweenthesimulationresultsandtheexperimentalonesforthedrawingprocessofacarspringbase.

简介：Atfirst,aseriesoffiniteelementmethod(FEM)simulationtestswereusedtofindthecriticalformingconditionsofhot-galvanizedsheetsteelduringtherectangularboxdrawingprocessingwhenconstantblankholderforceswereapplied.Accordingthetestresults,thereasonablealterationscopeofinitialvariableblankholderforce(VBHF)wasas1.9～2.3T.Then,basedonthetestproductionsofblankholderforce,12typicalVBHFcurveswereappliedtoperformthesimulationtestsbythesimulationsoftwareofDYNAFORM.ThesimulationtestresultsshowedthatVBHFhadgreateffectsondrawingformabilityofhot-galvanizedsheetsteelduringtherectangularboxdrawing.However,thedifferentVBHFcurveswereappliedtocontrolthewholedrawinganditwouldgetgreatdifferenteffects.Atthesametine,theVBHFhadgreateffectsonthemaximumthickthinningratio,buthadlittleeffectonthemaximumthickincrassationratio.So,reasonableapplicationoftheVBHFwouldgreatlydecreasethefractures.WhentheVBHFprofileistakenascurveL,thebesteffectofdrawingformabilitycouldbeobtained.WhencurveIisused,contraryeffectcouldbegotten.TheothertypesofcurveswouldcauseeffectsbetweenabovetwotypesofVBHFcurves.Finally,theactualtestswereappliedtocheckthevalidityoftheFEMsimulationtests.TheresultsshowthattheFEMsimulationtestsaregoodwaysforpredictingandoptimizingtheVBHF.

简介：<正>Inthispaper.basedonlargedeviationformulasestablishedinstrongertopologygeneratedbyH(?)ldernorm,weobtainthefunctionallimittheoremsforC-Rincrementsofk-dimensionalBrownianmotioninH(?)ldernorm

简介：1引言Cauchy不等式及其推广形式Holder不等式分别以离散形式和积分形式贯穿了中学数学和高等数学，在不等式问题中具有非常重要的作用，