简介：在这份报纸，我们为与不连续的系数解决弹性问题与错误控制建议适应有限元素方法。在方法的网孔不需要适合接口。我们建立一基于剩余是独立趋于增加的常数的posteriori错误估计；Lam????D

简介：Athena,theSoftwareFrameworkforATLAS'offlinesoftwareisbasedontheGaudiFrameworkfromLHCb^1,TheProcessingModelofGaudiisessentiallythatofabatch-orientedsystem-aUserpreparesafiledetailingtheconfigurationofwhichAlgorithmsaretobeappliedtotheinputdataofajobandtheparametervaluesthatcontrolthebehaviorofeachAlgorithminstance.TheFrameworkthenreadsthatfileonceatthebeginningofajobandrunstocompletionwithnofurtherinteractionwiththeUser.WehaveenhancedtheProcessingModeltoincludeaninteractivemodewhereaUsercancotroltheeventloopofarunningjobandmodifytheAlgorithmsandparametersonthefly.WechangedonlyaverysmallnumberofGaudiClassestoprovideaccesstoparametersfromanembeddedPythoninterpreter,NochangewasmadetotheGaudiProgrammingModel.i.e.,developersneednotchangeanythingtomakeuseofthisaddedinterface,WepresentdetailsofthedesignandimplementationoftheinteractivePythoninterfaceforAthena.

简介：AnewmechanicsmodelbasedonPeierlsconceptispresentedinthispaper,whichcanclearlycharacterizetheintrinsicfeaturesnearatipofaninterfacialcrack.Thestressanddisplacementfieldsarecalculatedundergeneralcombinedten-sileandshearloadings.Theneartipstressfieldsshowsomeoscillatorybehaviorsbutwithoutanysingularityandthecrackfacesopencompletelywithoutanyoverlappingwhenremotetensileloadingiscomparablewithremoteshearloading.Afracturecriterionforpredictinginterfacetoughnesshasbeenalsoproposed,whichtakesintoaccountfortheshieldingeffectsofemitteddislocations.Thetheoreticaltoughnesscurvegivesexcellentprediction,ascomparedwiththeexistingexperimentdata.

简介：Theuser-computerinterfaceforcolorselectionisofgreatsignificancefortheuseofcolorsincomputergraphics,particularlyinsomefieldswheretheusedcolorshavetobeselectedcarefully.Thispaperdiscusseswhatfactorshavetobeconsideredtodesignaneffectiveuserinterfaceforcolorselec-tion.Italsopresentsamethodwhichshowshowtorepresent3Dcolorspacesaccordingtothepsychol-ogyofcolorperception.Twoexamplesofuserinterfaceforcolorselectionaregiven.OneisbasedontheCLELUVuniformcolorspace,theotherisbasedonRGB-rotatedcolormodel.

简介：Inthispaper,aclassofnewimmersedinterfacefiniteelementmethods(IIFEM)isdevelopedtosolveelasticityinterfaceproblemswithhomogeneousandnon-homogeneousjumpconditionsintwodimensions.Simplenon-body-fittedmeshesareused.Forhomogeneousjumpconditions,bothnon-conformingandconformingbasisfunctionsareconstructedinsuchawaythattheysatisfythenaturaljumpconditions.Fornon-homogeneousjumpconditions,apairoffunctionsthatsatisfythesamenon-homogeneousjumpconditionsareconstructedusingalevel-setrepresentationoftheinterface.Withsuchapairoffunctions,thediscontinuitiesacrosstheinterfaceinthesolutionandfluxareremoved;andanequivalentelasticityinterfaceproblemwithhomogeneousjumpconditionsisformulated.Numericalexamplesarepresentedtodemonstratethatsuchmethodshavesecondorderconvergence.

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简介：Inthispaper,aframeworkispresentedforaddingageneralcommandrecoveryfacilitytouserinterface.Asimplemodelofinteractivesystemisdiscussedandfourmetacommands.UNDO,REDO.SKIPBACK,andSKIPFORWARD,aredefined.Thedouble-linkedlistisusedtoorganizetherecoveryinformationinanaturalwayforeasyimplementation.Applicationsoftheframeworktovariousdemandsofcommandrecoveriesshowthattheuseoftheframeworkisveryeasyandconvenient.

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简介：Anewapproachisgiventoanalysetheregularityofsolutionsnearsingularpointsfortheinterfaceproblemsofsecondorderellipticpartialdifferentialequations.Forgeneralequationswithnonsyrnmetricdominanttermsanddiscontinuouspiecewiaesmoothcoefficients,itisprovedthatsolutionsinH^1canbedocomposedintotwoparts,oneofwhichisafinitesumofparticularsolutionstothecorrespondinghomogeneonsequationswithpiecewiseconstantcoettioionts,andtheotheroneofwhichistheregularpart.Moreoveraprioriestimationsareproven.

简介：概述当前计算机过程控制领域中的一个热门话题一现场总线，现场总线控制系统体系结构由于其所具有优越性，必将取代夸天模式上的DCS。本文叙述了现场总线及现场总线基垒会的概念、现场总线基金会及其他现场总线标准。

简介：盼望着立秋，希望天气能凉爽一些!无奈秋老虎气煞人，热度不仅未见降低，反而更甚以前，害得教授王我空欢喜一场，只能继续忍受着这热浪的煎熬，生活在空调之下，以求得遍身凉意，保持头脑的清醒，为大家准备我们本节课的内容。这节课我们主要讲解PcI总线，这个想必大家都再熟悉不过了，主板上那白白的五六个插槽就是啦，非常的显眼。0K，让我们一起来看看就在我们身边的Pcl插槽，看看它的特殊性在什么地方。

简介：摘要随着现代计算机技术、网络技术、现场通信技术的发展，现场总线（Fieldbus）目前已被广泛地应用于烟草物流行业的日常工作中，成为烟草物流行业自动化控制技术的热点。本文将从常用的ASI、CAN、Profibus这三类总线技术的比较出发，阐述对现场总线技术发展方向的预测。

简介：Anapproachtosupportinguserinterfacesusinganattributegrammarcombinedwithaneventmodelisdescribed.Themainemphasisishowtorepresentamulti-threaddialoguemodelindirectmanipulationuserinterfaces.Itisshownthatcontrolsequencewithindialogues,communicationwithotherdialogues,andsomecomputationsforapplicationscanbespecifiedwithasyntacticandsemanticnotation.Theattributegrammarspecificationcanbeimplementedusinganattributegrammarintepreterembeddedintherun-timestructuresupportingcommunication,synchronization,anddialogueexecuton.

简介：Abriefreviewwithdiscussionsisconductedforsomepertinentworks,doneandongoingintheLaboratoryofPhase-ChangeandInterfacialPhenomenaatTsinghuaUniversity,oninterfacialbehaviorofvaporbubblesandinterfacialtransportphenomenaduringliquidnucleationboiling.Fromasequenceofexperimentalinvestigations,somenewphenomena,particularly,thevisuallyobservedinterfacialtransportphenomenaorprocessesincludingjet-likeflows,bubbleinteractionandspatialscaleeffect,weredescribedinthisarticle.Theinterfacialeffectsandtransportphenomenaassociatedwithsurfacetensiongradientscausedbytemperatureandconcentrationvariationsweretheoreticallyanalyzedtorevealthemarkedinfluenceonbubbleinterfacialshapeanddynamicbehavior,thebubbledynamicsincludingnucleation,bubblemotionandcoalescence.Severaltheoreticalmodelsandmethodswereproposedtodescribethedynamiccharacteristicsandexplainthephysicsofinterfacialphenomena/processes.Thespe

简介：Engineeringapplicationdomainsneeddatabasemanagementsystemstosupplythemwithagoodmeansofmodeling,ahighdataaccessefficiencyandalanguageinterfacewithstrongfunctionality.Thispaperpresentsasemantichypergraphmodelbasedonrelations,inordertoexpressmany-to-manyrelationsamongobjectsbelongingtodifferentsemanticclassesinengineeringapplications.Amanagementmechanismexpressedbythemodelandthebasicdataofengineeringdatabasesaremanagedinmainmemory.Especially,differentobjectsarelinkedbydifferentkindsofsemanticsdefinedbyusers,thereforethetableswap,therecordswapandsomeunnecessaryexaminationsarreducedandtheaccessefficiencyoftheengineeringdataisincreased.Clanguageinterfacethatincludessomegenericandspecialfunctionalityisproposedforcloserconnectionwithapplicationprograms.

简介：SomeofthemainprogressontheinvestigationofthemechanismofthewaveformationinexplosiveweldingattheInstituteofMechanicsissummarizedandotters’previousworksarere-viewed.OursystematicexperimentsandanalysisdonotsubstantiatethetheoryofwaveformationbasedonKarmanvortex-streetanalogyorHelmholtzinstability.Onthecontrary,theyshowthatmateri-alstrengthinsensitivetostrainrateplaysanimportantrole.Asimplehydro-plasticmodelispresentedtoexplainthemainfeaturesregardingtheinterracialwaveformationandtoestimatethemagnitudeofwavelength.Theresultisinbroadagreementwithexperiment.

简介：作者学习第二份订单的接口问题的答案的结构在三种空格尺寸的线性椭圆形的部分微分方程。单个点的集合由一些单个线组成；一些孤立的单个点。在一根单个线或一个单个点附近，每个弱答案能被分解成二部分，这被证明，单个部分；常规部分。单个部分是一些更简单的方程的特别答案的某有限的和，；常规部分在一些标准被围住，它在Sobolev空间H是比那稍微弱的[2]。

简介：大部分并行总线和高速串行总线的区别主要在于发送端和接收端不同的同步方式。由于其很高的复杂性，总线时钟结构成为芯片架构的最主要部分（表1）。

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简介：本文通过介绍CAN(ControllerAreaNetwork．控制器局域网)总线技术在FCS(FieldbusControlSystem现场总线控制系统)中的应用。阐述了CAN总线设备的设计与实现，并简要说明了如何基于CAN总线来设计现场总线控制系统。