简介：根据基模高斯光场，运用MonteCarlo随机模拟方法，实现了基模高斯光场的模拟，直观地说明了基模高斯光束的横模．

简介：本文对基于MonteCarlo模拟方法及Batts台风风场模型的台风极值风速预测方法进行了介绍,阐述了该方法的原理、计算流程及在我国台风影响地区的适用性,论述了该方法存在的不确定性以及需进一步解决的问题。

简介：本文从分析各种随机抽样方法入手，对一些基本的随机抽样方法进行了简单比较。进一步讨论了MollteCarlo模拟随机抽样的抽样误差问题。着重分析抽样误差产生的原因以及怎样运用统计方法进行合理的误差控制。进一步结合具体实例进行了抽样模拟，并对模拟结果加以分析。针对模拟误差的影响因素，提出了解决MonteCarlo模拟中控制抽样误差的一些基本问题。

简介：Thinfilmsofpolymerblendscomposedofalternatingcopolymer,diblockcopolymerand/orhomopolymerarestudiedusingMonteCarlosimulation.Amultilayermorphologyisobservedinthefilm,thatis,theblendedpolymersassembleintoindividualdomainsarrangedfrominteriortothesurfacesofthefilm.Thecoexistingcomponentsresidingthroughouttheneighboringdomainsinthefilmmakenodistinguishableinterfacebetweenanyneighboringdomains.Bythismeans,itformsaverticalcompositiongradientinthepolymericfilm.Beingdifferentfromlayer-by-layerdepositionofpolyelectrolyteorhydrogenbondingapproachetc.,thelayeredstructureinthisstudyisformedbypolymerblendinginonestep.Alternatingcopolymersarefoundtobeessentialcomponentstoformverticalcompositiongradient(layeredstructure)inthinfilms.

简介：J/psi放射的腐烂为glueballsearch作为有希望的模式被建议。J/psi的完整的蒙特卡罗模拟>基于BESIII察觉者的设计，鲸鱼群妈希腊语字母的第七字希腊语字母的第七字和鲸鱼群妈希腊语字母的第七字eta'被执行学习在BESIII寻找可能的tensorglueball的敏感。

简介：StdHepC++[1]isaCLHEP[2]MonteCarloeventclasslibrarywhichprovidesacommoninterfacetoMonteCarloEventGenerators,ThisworkisanextensiveredesignoftheStdHepFortraninterfacetousethefullpowerofobjectorienteddesign,AgeneratedeventmapsnaturallyontotheDirectedAcyclicGraphconceptandwehaveusedtheHepMCclassestoimplementthis.Thefullimplementationallowstheusertocombineeventstosimulatebeampileupandaccessthemtransparentlyasthoughtheywereasingleevent.

简介：Basedonthepreparativeexperimentsofthelight-emittingdiode(LED)encapsulant,threetypesofmonomermodelswithdifferentfunctionalgroupsarecarriedouttostudythepolymerizationprocessbydynamicMonteCarlo(DMC)simulationandbondfluctuationmodel(BFM).Wecalculatethedegreeofpolymerization,theradiusofgyrationandthefrequencyofvoidspherestodiscussthepolymerizationprocess,themolecularsizeandthespatialdistributionatdifferentvolumefractionsandproportions.OurresultsareinagreementwithGrest'sdecayrateandFlory'sscalelaw.Simulationsshowthatthepolymerizationprocessdependsontheappropriatevolumefractionandproportionexceedingly,andthevolumecontractioninthepolymerizationprocesscanalsobeobservedinthisstudy.Theseinvestigationscouldprovidesomeinsightsintotheunderstandingofthepolymerizationprocessoftheencapsulantandhelpustoadjusttheparametersinlaterexperiments.

简介：运用传统NPV法不能充分发掘高速公路建设项目未来现金流的不确定性所包含的潜在价值。本文采用MonteCarlo方法模拟未来交通量，并将对偶变量方差缩减技术运用于模拟试验中，在此模拟的基础上计算项目未来现金流量，从而求得项目的实际价值，得出MonceCarlo模拟方法更能体现项目真实价值的结论。

简介：在实际中,经常会碰到这样的问题:对于给足的有限区间〔α,b〕上的连续函数f(χ)需要计算定积分∫b/af(x)dx的值。利用牛顿——莱不尼慈公式:∫b/af(x)dx=F(b)-F(a)仅仅能解决被积函数f(x)的原函数F(x)以初等函数的形式存在且容易求出的问题。但是,在大量的实际问题中,有许多被讨论的被积函数f(x)的原函数不能用初等函数的闭合形式表示,

简介：TheMonte-CarloArrayProcessor(MAP)hasbeendesignedusingcommodityofftheshelf(COTS)itemstoprovidetheCPUrequirementsoffulleventsimulationfortheLHCexperiments.Thesolutionishowevercompletelygeneral,soandCPUintensiveapplicationwithlimitedinputrequirementscanberunonthesystem.Operatingcontrolsoftwarehasbeenwrittentomanagethedataflowoiverthe100BaseTethernetconnectingthe300nodes(400MHzPII's)tothe6mastercontrolnodes700MHzPIII'seachwith500Gbofdisk),Upgradeto1000nodesisplkanned.Jobcontrolsoftwarethatallowstheusertorunthesamejobonallnodes,whilstallowingforsmalldifferencesininitialisationparametersbetweennodeshasalsobeenwritten.GMAPistheGRIDawareMAPcontrolsoftware,Thisallowsremotejobpreparationandsubmissionusingglobustoolkitforauthentificationandcommunication.ThesoftwarewillbeavailableandopensthepossibilityfordoingmassiveMonteCarloproductionoverseveralremoteMAPsitessimultaneously.

简介：ThefundamentalelemetsoftheLHCbMonteCarloproductionsystemaredescribed,coveringsecurity,Jobsubmission,execution,datahandlingandbookkeeping,AnanalysisisgivenofthemainrequirementsforGRIDfacilities,togetherwithsomediscussionastohowtheGRIDcanenhancethissystem.AsummaryisgivenofthefirstexperiencesinmovingthesystemtoaGRIDenvironment.ThefirstplanningforinterfacingtheLHCbOOframeworktoGRIDservicesisoutlined.

简介：应用MonteCarlo方法计算He原子包含电子相关波函数的基态能量，获得了与精确值非常接近的结果．实践表明，应用MonteCarlo方法有可能在多电子体系中直接采用包含任意2个电子间距离ry的函数作为变分函数来考虑电子相关作用．

简介：为提高符合效率外推法测量^133Xe活度的准确度,提出一种基于Geant4软件包的蒙特卡罗理论模拟方法,通过理论预测^133Xe活度测量的效率外推曲线和活度,确定了最佳的测量条件和数据拟合函数.使用4πβ（PS）-4πγ（NaI）符合测量系统,绝对测量了^133Xe活度,并与利用HPGeγ谱仪的测量结果进行了比较,验证了MC模拟方法预测的可靠性.

简介：Thispaperintroducestwokindsofmethodswithhighaccuracyforfi-niteelementprobabilitycomputingmethod,bywhichthefunctionvalueononeorafewnodescanbecalculatedwithoutformingthetotalstiffnessmatrix.

简介：顺序的蒙特卡罗模拟方法被介绍给对microgrid，和Weibuil分布的可靠性评价风速度模型被造模仿时时弯屈与一个二状态的可靠性模型相结合的一个特定的site.Wind汽轮机发电机模型的速度被用于蒙特卡罗模拟方法，并且结果证明风汽轮机可靠性与顺序的蒙特卡罗simulation.A为工作建模很好微煤气的汽轮机的二状态的可靠性模型和从IEEErelia的一个负担模型

简介：Simulationmethodisanimportant-toolinfinancialriskmanagement.Itcansimulatefinancialvariableoreconomicwriableanddealwithnon-linearornon-nominalissue.Thispaperanalyzestheusageof"MonteCarlo"approachincommercialbankriskmanagement.

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简介：Reconstructionofabsorptioncoefficientμ_aandscatteringcoefficientμ_aisveryimportantforapplicationsofdiffuseopticaltomographyandnearinfraredspectroscopy.Aimingattheearlycancerdetectionofcervixandstomach,wepresentafastinverseMonte-Carloschemeforextractingμ_aandμ_sofatubulartissuefromthemeasurementonfrequencydomain.Resultsshowthatthecomputationtimeforreconstructingonesetofμ_aandμ_sislessthan1minandtherelativeerrorsinreconstructionarelessthan±10%fortheopticalpropertiesofnormalcervicaltissueandprecancerouslesions.

简介：Thestochasticmodelsoftheusualjointsarefirstestablishedthroughintro-ducingtheconceptsof“clearancecharacteristicelement”and“clearancespace”.Afterde-rivingtheprobabilitydensityfunctionofthejointclearanceandmakingtheprobabilisticanalysisoftheresultedkinematicerrors,thesamplingformulasoftheindependentvaria-blesofthejointclearancesarefurtherdeduced.ThroughMonteCarlosimulation,thesta-tisticalcharacteristicsandfrequencyhistogramsofthekinematicerrorsarethenanalysedoncomputer.

简介：Inthispaperweproposedanovelexactfixed-nodequantumMonteCarlo(EFNQMC)algorithm,whichisaself-optimizingandself-improvingprocedure,IncontrasttothepreviousEFNQMCmethod,thetrialfunctionisoptimizedsynchronisticallyinthediffusionprocedure,butnotbeforethebeginningofEFNQMCcomputation.Inordertooptimizethetrialfunction,theimprovedsteepestdescenttechniqueisused,inwhichthestepsizeisautomaticallyadjustable.Theprocedureisquasi-Newtonandconvergessuperlinearly.Wealsouseanoveltrialfunction,whichhascorrectelectron-electronandelectron-nucleuscuspconditions.ThenovelEFNQMCalgorithmandthenoveltrialfunctionareemployedtocalculatetheenergiesof1^1A1stateofCH2,^1AgstateofC8andtheground-statesofH2,LiH,Li2,H2O,respectively.Thetestresultsshowthatboththenovelalgorithmandthetrialfunctionproposedinthepresentpaperareveryexcellent.