简介：ThisnotedescribestheconstructionofhardwareandsoftwareoftheBESPC-FARMandBESofflinedataanalysisenvironmentinLinuxplatform.ThejobmanagementpackagesNQSisdescribed.TheperformanceoftheBESPCFARMalsobepresented.

简介：Thecavitatedbifurcationprobleminasolidspherecomposedoftwocompressiblehyper-elas-ticmaterialsisexamined.Thebifurcationsolutionforthecomposedsphereunderauniformradialtensileboundarydead-loadisobtained.Thebifurcationcurvesandthestresscontributionssubsequenttothecavita-tionaregiven.Therightandleftbifurcationaswellasthecatastropheandconcentrationofstressesareana-lyzed.Thestabilityofsolutionsisdiscussedthroughanenergycomparison.

简介：Aframeworkforanalyticalstudiesofsuperconductingsystemsispresentedandillustrated.Theformalism,basedontheconformaltransformationofmomentumspace,allowsonetostudytheeffectsofboththedispersionrelationandthestructureofthepairinginteractionintwo-dimensionalanisotropichigh-Tcsuperconductors.Inthismethod,thenumberofemployeddegreesoffreedomcoincideswiththedimensionofthemomentumspace,whichisdifferentcomparedtothatinthestandardVanHovescenariowithasingledegreeoffreedom.Anewfunction,thekernelofthedensityofstates,isdefinedanditsrelationtothestandarddensityofstatesisexplained.Theversatilityofthemethodisillustratedbyanalyzingcoexistenceandcompetitionbetweenspin-singletandspin-tripletorderparametersinsuperconductingsystemswithatight-binding-typedispersionrelationandananisotropicpairingpotential.Phasediagramsofstablesuperconductingstatesinthecoordinatesη（theratioofhoppingparameters）andn（thecarrierconcentration）arepresentedanddiscussed.Moreover,theroleofattractiveandrepulsiveon-siteinteractionsforthestabilityofthes-waveorderparameterisexplained.

简介：Weproposeaphotonicstructurestackedsequentiallybyone-dimensionalphotoniccrystalsandcavities.Thewholestructureiscomposedofsingle-negativeanddouble-negativematerials.TheopticalWannier–Starkladder(WSL)canbeobtainedinalowfrequencyregionbymodulatingthewidthsofthecavitiesinorder.Wesimulatethedynamicalbehavioroftheelectromagneticwavepassingthroughtheproposedphotonicstructure.Duetothedispersivecharacteristicsofthemetamaterials,averynarrowWSLcanbeobtained.Thelong-periodelectromagneticBlochoscillationisdemonstratedtheoreticallytohaveaperiodonamicrosecondtimescale.

简介：Thispaperdescribesaseriesofexperimentalinvestigationsonseventeenspecimensofsteelreinforcedconcretespecialshaped(SRCSS)columnsunderlowcyclicreversedloadingusingparallelcrossheadequipment.NineT-shapedSRCcolumns,fourL-shapedSRCcolumnsandfour+-shapedSRCcolumnsweretestedtoexaminetheeffectsofshapesteelconfiguration,loadingangle,axialcompressiveratioandshear-spanratioonthebehavior(strength,stiffness,energydissipation,ductility,etc.)ofSRCSScolumnspecimens.Thefailuremodesandhystereticperformanceofallthespecimenswereobtainedinthetests.Testresultsdemonstratethattheshear-spanratioisthemainparameteraffectingthefailuremodesofSRCSScolumns.Thespecimenswithsmallshear-spanratioarepronetoshearfailure,andtheprimaryfailureplanesinSRCSScolumnsareparalleltotheloadingdirection.Asaresult,thereisasymmetrybetweenpositiveandnegativeloadingdirectionsinthehystereticcurvesoftheSRCSScolumns.Themajorityofdisplacementductilitycoefficientsforallthespecimensareover3.0,sothattheSRCSScolumnsdemonstrateabetterdeformationcapacity.Inaddition,theequivalentviscousdampingcoefficientsofallthespecimensaregreaterthan0.2,indicatingthattheseismicbehaviorofSRCSScolumnsisadequate.Finally,thesuperpositiontheorywasusedtocalculatethelimitsofaxialcompressiveratioforthespecimens,anditisfoundthatthetestaxialcompressiveratioisclosetoorsmallerthanthecalculatedaxialcompressiveratiolimit.

简介：Inordertoinvestigatethecalculationmethodsoncrackresistancecapacityofconnectioncomposedofcrossshapedsteelencasedultrahighstrengthconcrete(CSSEUHSC)columnsandsteelencasedconcrete(SEC)beamsundercycleloads,sixinteriorconnectionspecimensweretestedinthelaboratory.Adiscussiononthecrackresistancecapacitywaspresented.Calculationmethodsofcrackresistancecapacitywerededucedbasedontheexperimentalcaseandcalculationresultswereingoodagreementwiththeexperimentalresults.TheresearchresultsindicatedthatparametersofconnectioncomposedofCSSEUHSCcolumnsandSECbeamswithbettercrackresistanceperformancemaybereferredforengineeringapplication.

简介：这篇论文扩大放射应力的常规概念(Longuet-Higgins和斯图尔特，1964)在进步的水里向站的波浪招手，以便它的垂直侧面能以一个新技术方法被定义并且计算。水动力学被结合的数字模型在承受波浪的垂直地变化的放射压力被用来模仿被在垂直的节承受波浪导致的水流。推迟的沉积运输的数字建模然后被执行模仿水流由好沉积组成的床的进化。模仿的scour和免职模式在对优先的实验室和地观察的质的同意。

简介：Experimentswereconductedtoinvestigatetheeffectofaddingfinesonthetribo-chargingofcoarseglassbeads.Fourtypesoffines,i.e.,copper,stainlesssteel,uncoatedandsilver-coatedfineglassbeads,mixedw让h240-830μmglassbeadswereconveyedbyairthroughastainless-steelspiralpipeactingasatribo-charger.Regardlessofthetypeorelectricalconductivityofthefineparticlestested,addingsmallamountsoffines(upto10wt%)tocoarseglassbeadsresultedinasharpincreaseinthemassandsurfacechargedensitiesoftheparticles.Ingeneral,theprofilesofthemassandsurfacechargedensidesofthefine-coarseparticlemixturesasafunctionofthemixturecompositionweredeterminedbytherelativemagnitudeofcontactpotentialdifferencesandthetotalsurfaceareasofallthecomponents.Thedominantparticletribo-electrificationmechanismswitchedfromcoarseparticle-wallcontactstofineparticle-wallcontactswhenthefinesweightpercentageinthemixtureexceeded10%.Amodelwasdevelopedtopredictthemasschargedensityofbinarymixturesasafunctionofthemixturecomposition.

简介：Weproposeanovelwaveguidedesignofpolarization-maintainingfewmodefiber（PM-FMF）supporting≥10non-degeneratemodes,utilizingacentralcircularairholeandacircumjacentelliptical-ringcore.Thestructureendowsanewdegreeoffreedomtoadjustthebirefringenceofalltheguidedmodes,includingthefundamentalpolarizationmode.Numericalsimulationsdemonstratethat,byoptimizingtheairholeandelliptical-ringcore,aPM-FMFsupporting10distinctivepolarizationmodeshasbeenachieved,andtheeffectiveindexdifferenceΔneffbetweentheadjacentguidedmodescouldbekeptlargerthan1.32×10-4overthewholeC+Lband.TheproposedfiberstructurecanflexiblytailoredtosupportanevenlargernumberofmodesinPM-FMF（14-modePM-FMFhasbeendemonstratedasanexample）,whichcanbereadilyapplicabletoascalablemodedivisionmultiplexingsystem.

简介：Inthepresentwork,anovelhybridcompositecomposedofTi-aluminidemulti-layeredpartandcontin-uous-SiCf-reinforcedTi-matrixpartusingavacuumhotpressing/hotisostaticpressure（VHP/HIP）sinteringprocesswassynthesized.Then,thedamagetolerancebehaviorofthishybridcompositewasstudiedbytensiletestsandinsituscanningelectronmicroscopy（SEM）three-pointbendingtests.Theresultsindicatethatthemechanicalpropertiesandcrackpropagationofthehybridcompositearestronglyinfluencedbytheextrinsictoughnessmecha-nism.Indetail,thecrackdeflectionofmulti-layeredcompositeandstrengtheningeffectofSiCf-reinforcedmatrixcompositeareobservedinthehybridcomposite.Owingtothestrengtheningeffectofcontinuous-SiCrre-inforcedTi-matrixpart,thetensilestrengthofhybridcompositeismuchhigherthanthatofneatTi-aluminidemulti-layeredcomposite.Furthermore,itisfoundthattheoptimaldamagetoleranceabilityisoptimizedwhenthenotchpositionislocatedattheTi-aluminidemulti-layeredpartduetothecrackdeflectionofmulti-layeredstructure.

简介：Inpursuingexcellentsupercapacitorelectrodes,wedesignedaseriesofM0S2/C0S2compositesconsistingofflower-likedMoS2andoctahedron-shapedCoS2throughafacileone-stephydrothermalmethodandinvestigatedtheelectrochemicalperformanceofthesampleswithvarioushydrothermaltime.Duetothecouplingoftwometalspeciesandabigamountofwell-developedCoS2andMoS2,theresultsindicatedthattheMoS2/CoS2compositeselectrodesexhibitedthebestelectrochemicalperfor-mancewithalargespecificcapacitanceof490F/gat2mV/sor400F/gat10A/gamongallsamplesasthehydrothermaltimereached48h(MCS48).Furthermore,theretentionofMCS48is93.1%after10000cyclesat10A/g,whichmanifeststheexcellentcyclingstability.TheoutstandingelectrochemicalperformanceofMCS48indicatesthatitcouldbeaverypromisingandnovelenergystoragematerialforsupercapacitorsinthefuture.