简介：ＣＡＳＥＳＴＵＤＹＯＦＣＡＤＩＣＡＰＰＩＮＴＥＧＲＡＴＩＯＮＦＯＲＲＯＴＡＴＩＯＮＡＬＰＡＲＴＳＷｕＨｏｎｇｍｉｎｇ；ＷａｎｇＹａｐｉｎｇ；ＴａｎｇＲｏｎｇｘｉＣＡＳＥＳＴＵＤＹＯＦＣＡＤＩＣＡＰＰＩＮＴＥＧＲＡＴＩＯＮＦＯＲＲＯＴＡＴＩＯＮＡＬＰＡ...

简介：Hybridmodelsderivedfromrotationalsolidslikecylinders,conesandsphereswereimplementedonCATIAsoftware.Firstly,maketheisoscelestriangularprism,cuboid,cylinder,cone,sphere,andtheprismwithtangentconicandcurvedtriangleends,thecuboidwithtangentcylindricalandcurvedrectangleends,thecylinderwithtangentsphericalandcurvedcircularendsasthebasicBooleandeferenceunitstotheprimarycylinders,conesandspheresonsymmetricalandsomecriticalgeometricconditions,formingaseriesofvariantsolidmodels.Secondly,makethedeferenceunitsaboveasthebasicunionunitstothemaincylinders,cones,andspheresaccordingly,forminganothersetofsolidmodels.Thirdly,makethetangentendsofunionunitsintoobliqueconic,cylindrical,orwithrevolvedtriangularpyramid,quarterlycylinderandannulusendsonsketchbasedfeaturestothemaincylinders,cones,andspheresrepeatedly,thusformingstillanothersetofsolidmodels.Itisexpectedthatthesederivativemodelsbebeneficialbothinthestructuredesign,hybridmodeling,andfiniteelementanalysisofengineeringcomponentsandincomprehensivetrainingofspatialconfigurationofengineeringgraphics.

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简介：一个有磁力地旋转的反应堆(MRR)在吸收苯排出物被开发了并且使用。MRR有一个永久磁铁核心并且使用磁性的离子的液体[bmim]FeCl4是吸收剂。苯排出物被N2带进MRR并且被磁性的离子的液体吸收。永久磁铁核心的旋转为磁性的离子的液体的焦虑提供了动力，提高集体转移并且使苯更好在吸收剂驱散。0.68g苯排出物能被克吸收[bmim]FeCl4，比那高的0.27和0.40g/g由[bmim]PF6并且[bmim]BF4分别地。吸收率与增加永久磁铁的旋转率增加了。

简介：这篇论文在小粒的材料的行为上论述micromechanical研究在下面限制砍使用一个三维的分离元素方法(DEM)。我们在DEM代码在球形的粒子之中把旋转抵抗看作说明粒子形状的效果的一个近似方法。在undrained下面砍，它被发现抵抗旋转可以帮助增加一个小粒的系统的shear力量并且提高它的抵抗到液化。在有不同起始的条件的小粒的系统的内部结构和anisotropy的进化描绘区分二张接触子网的一个清楚的bimodal字符。面对旋转抵抗，好关联在一种分析stress-force-fabric关系和DEM结果，正常力量anisotropy在起一个主导的作用之间被发现。在与小粒的anisotropy的关系的批评状态和液化状态的唯一的性质也被探索并且讨论。

简介：Thispaperpresentsanumericalanalysisofgas-solidseparationinarotationaltubeseparator.Thisseparatorwhichcollectsfineparticlesfromgasinlaminarflowiseffectiveforfineparticleseparation.TheseparationefficiencyandcriticalparticlediameteroftheseparatorweresimulatedusingCFDpackage(FLUENT6.0).Thesimulationshowedthatseparationefficiencycanbesignificantlydecreasedduetothepresenceofturbulence.ThesimulationalsoshowedthattheSaffmanliftforcehaslittleeffectontheefficiencyofthisseparator.Thecriticalparticlediameterofthistubeseparatorwasalsocalculatedtheoretically.Someexperimentaldatawereprovidedtovalidatethesimulationresults.Comparisonbetweenexperimentalresultsandsimulationpredictionsonseparationefficiencyshowedsatisfactoryagreement.

简介：Inthispaper,weprovetheglobalexistenceanduniquenessofnon-negativeclassicalsolutionsoftheSmoluchowskiequationwithviscosityε>0.Theexistenceofweaksolutionswhenε=0isalsoobtained.

简介：Inthelastseveralyearssince2004animportantnewfindinghasbeenunveiledbycombinedeffortsduetoJapanese(SatoruTanaka),French(RenaudDeguen,TAlbousierreandMarcMonnereau),AmericanandChinesegeophysicists(XiaodongSongandVernonFCormier)whoemployedfromunambiguousdetailedseismologicalevidenceandexplainedbycleartheoreticalandsoundlaboratoryargumentsdrawnfromfluiddynamicsthatthereexistsastrong

简介：Aniterationmethodofstatisticlinearization(IMSL)ispresented.Bythismethod,anequivalentlineartermwasformedingeometricrelationandthenanequivalentstiffnessmatrixfornonlinearterminvibrationequationwasestablished.Usingthemethodtosolvethestatisticlinearvibrationequations,theeffectofgeometricnonlinearityontherandomresponseofrotationalshellisobtained.

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简介：Aquantumdynamiccalculationonafive-dimensionalO2/LiF（001）modelsystemisperformedusingthemulti-configurationtime-dependentHartreemethod.Theobtainedresultsshowthatthemechanismofrotationalanddiffractiveexcitationindetails:Comparisonwiththerotationalexcitedstate,theinitiallynon-rotationalstateisseentofavortheinelasticscatteringintherotationalexcitationprocess.Thesurfacecorrugationcandampthequantuminterferencesandproduceagreateramountofrotationalinelasticscatteringattheexpenseoftheelasticprocessintherotationalexcitationprocess.Thediffractionprocessandtheaverageenergytransferredintotherotationalanddiffractivemodearealsodiscussed.

简介：由重力的分离的核心形成据说释放了足够的内部热融化地球。energetics的分析，比较重力的势能，U<潜水艇class=“a-plus-plus”>到地球当前的分层的配置的一个虚构、同类的参考状态的g)，需要更新改正错误和省略，并且提供最近的调查结果：(1)一个错误的正号被用于Ug当在无穷维持0的参考价值时，它为U导致一个不正确的符号在决定一个过程是否吸热或发热关键的g,。(2)U的价值<潜水艇class=“a-plus-plus”>为地球起始的状态的g是不明确的。(3)最近的陨星证据显示在地球是完整大小的以前，那核心形成开始了，它严重地限制U<潜水艇class=“a-plus-plus”>g。(4)不同类的生长另外减少了U<潜水艇class=“a-plus-plus”>g。(5)在核心和披风之间的微分旋转的潜在地大的效果没被说明为。(6)与创造顺序联系的熵变化被忽视。因此，我们修订U的价值<潜水艇class=“a-plus-plus”>g,评估无常，并且显示出那U<潜水艇class=“a-plus-plus”>g实质地被变换成configurational能量(TS)。这些考虑限制初发的热的大来源到影响和放射性。尽管这些过程可以在核心形成起一个作用，他们的精力独立于重力的分离，它生产顺序和旋转能量，不是内部热。相反，因为它分离，重力的分离支持主要的行星的冷却lithophilic放射性的元素当弄短时，增加向上的、表面热流动放射产生的热向外在上扩散的距离。

简介：Adynamicmodellingandcontrollerdesignwerepresentedforasingle-linksmartmaterialsbeaun,aflexiblebeambondedwithpiezoelectricactuatorsandsensorsforbettercontrolperformance.Takingintoaccountboundeddisturbances,arobustdistributedcontrollerwasconstructedbasedonthesystemmodel,whichwasdescribedbyasetofpartialdifferentialequations(PDEs)andboundaryconditions(BCs).Subsequently,afinitedimensionalcontrollerwasfurtherdeveloped,anditwasproventhatthiscontrollercanstabilizethefinitedimensionalmodelwitharbitrarynumberofflexiblemodes.

简介：我们建议旋转传感器在一个磁性的头的一个核心基于一个纤维布拉格栅栏(FBG)包装了的新奇非接触，它从圆形的磁性的扶手统治者把介绍紧张变换成旋转信息。一个数学模型为处理一个讯问者获得的数据被造，并且大小的精确性和决定被改变传感器的圆形的磁性的扶手统治者，以及尺寸的半径和时期分析。它在有旋转角度上的理论分析的好一致的试验性的结果表演，和恰当的结果显示从旋转传感器获得的结果与0.998的线性和大约0.01的一个标准错误与真实旋转速度匹配很好。

简介：AconstitutiveequationtheoryofOldroydfluidBtype,i.e.theco-rotationalderivativetype,isdevelopedfortheanisotropic-viscoelasticfluidofliquidcrystalline(LC)polymer.Analyzingtheinfluenceoftheorientationalmotiononthematerialbehaviorandneglectingtheinfluence,theconstitutiveequationisappliedtoasimplecaseforthehydrodynamicmotionwhentheorientationalcontributionisneglectedinitandtheanisotropicrelaxation,retardationtimesandanisotropicviscositiesareintroducedtodescribethemacroscopicbehavioroftheanisotropicLCpolymerfluid.UsingtheequationfortheshearflowofLCpolymerfluid,theanalyticalexpressionsoftheapparentviscosityandthenormalstressdifferencesaregivenwhichareinagoodagreementwiththeexperimentalresultsofBaeketal.Forthefiberspinningflowofthefluid,theanalyticalexpressionoftheextensionalviscosityisgiven.

简介：Asaresultoftheleft-lateralstrike-slippingoftheAltynTaghfaultinNeotectonicperiod,acontra-rotationalstructure,namelytheZhaobishanvortexstructure,hasdevelopedatthejunctureofthemainAltynTaghfaultandthenorthernfringefaultoftheQilianMountains.PreliminaryanalysisonthedeformationandevolutionoftheZhaobishanvortexstructure.Incombinationwiththepreviousdata,suggeststhatthetectonictransformbetweentheAltynTaghfaultandthenorthernfringefaultoftheQilianMountainsattributestothedeformationoftherotationalstructure.TheexistenceofaseriesofrotationalstructuresalongtheAltynTaghfaultandonthenortheasternedgeoftheQinghai-Xizang(Tibet)plateauindicatethatasthesubstanceinthenorthernQinghai-Xizang(Tibet)plateaumovesclockwisearoundtheeasterntectonicknotoftheHimalayas,rotationalstructuresbecometheprincipalmodeonthenorthernmarginalzoneofthePlateauoftransformingandabsorbingtectonicdeformation.

简介：Inthispaper,theClarkson–Kruskaldirectapproachisemployedtoinvestigatetheexactsolutionsofthe2-dimensionalrotationalEulerequationsfortheincompressiblefluid.Theapplicationofthemethodleadstoasystemofcompletelysolvableordinarydifferentialequations.Severalspecialcasesarediscussedandnovelnonlinearexactsolutionswithrespecttovariablesxandyareobtained.Itisofinteresttonoticethatthepressurepisobtainedbythesecondkindofcurvilinearintegralandthecoefficientsofthenonlinearsolutionsaresolitarywavetypefunctionsliketanh(kt/2)andsech(kt/2)duetotherotationalparameterk=0.SuchphenomenonneverappearintheclassicalEulerequationswhereintheCoriolisforcearisingfromthegravityandEarth’srotationisignored.Finally,illustrativenumericalfiguresareattachedtoshowthebehaviorsthattheexactsolutionsmayexhibit.

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简介：Thefirstorderdifferentialmatrixequationsofthehostshellandconstrainedlayerforasandwichrotationalshellarederivedbasedonthethinshelltheory.Employingthelayerwiseprincipleandfirstordersheardeformationtheory,onlyconsideringtheshearingdeformationoftheviscoelasticlayer,theintegratedfirstorderdifferentialmatrixequationofapassiveconstrainedlayerdampingrotationalshellisestablishedbycombiningwiththenormalequilibriumequationoftheviscoelasticlayer.Ahighlyprecisetransfermatrixmethodisdevelopedbyextendedhomogeneouscapacityprecisionintegrationtechnology.Thenumericalresultsshowthatpresentmethodisaccurateandeffective.

简介：Asahighspecificspeedpump,thecontra-rotatingaxialflowpumpdistinguishesitselfinarearrotorrotatingintheoppositedirectionofthefrontrotor,whichremarkablycontributestotheenergyconversion,thereductionofthepumpsize,betterhydraulicandcavitationperformances.However,withtworotorsrotatingreversely,thesignificantinteractionbetweenbladerowswasobservedinourprototypecontra-rotatingrotors,whichhighlyaffectedthepumpperformancecomparedwiththeconventionalaxialflowpumps.Consequently,anewtypeofrearrotorwasdesignedbytherotationalspeedoptimizationmethodologywithsomeadditionalconsiderations,aimingatbettercavitationperformance,thereductionofbladerowsinteractionandthesecondaryflowsuppression.Thenewrearrotorshowedasatisfactoryperformanceatthedesignflowratebutanunfavorablepositiveslopeofthehead-flowratecurveinthepartialflowraterangelessthan40%ofthedesignflowrate,whichshouldbeavoidedforthereliabilityofpump-pipesystems.Inthepresentresearch,tounderstandtheinternalflowfieldofnewrearrotoranditsrelationtotheperformancesatthepartialflowrates,thevelocitydistributionsattheinletsandoutletsoftherotorsarefirstlyinvestigated.Then,theboundarylayerflowsonrotorsurfaces,whichclearlyreflectthesecondaryflowinsidetherotors,areanalyzedthroughthelimitingstreamlineobservationsusingthemulti-coloroil-filmmethod.Finally,theunsteadynumericalsimulationsarecarriedouttounderstandthecomplicatedinternalflowstructuresintherotors.