文档介绍：该【1.4971624参考论文参考论文资料 】是由【小泥巴】上传分享，文档一共【5】页，该文档可以免费在线阅读，需要了解更多关于【1.4971624参考论文参考论文资料 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。Abinitioandexperimentalstudiesofglow-dischargepolymerusedinlasermé-Lalu,,,:AIPConferenceProceedings1793,090005(2017);doi::http://dx./:http://aip./toc/apc/1793/1PublishedbytheAmericanInstituteofPhysicsArticlesyoumaybeinterestedinEffectsofhighshockpressuresandporemorphologyonhotspotmechanismsinHMXAIPConferenceProceedings1793,080002080002(2017);:MetallicfluidhydrogenAIPConferenceProceedings1793,090002090002(2017);,070005070005(2017);-HMX:NewinsightfromfirstprinciplessimulationsAIPConferenceProceedings1793,070007070007(2017);,070010070010(2017);:QMDandclassicalMDmodelingAIPConferenceProceedings1793,070016070016(2017);-dischargepolymerusedinLaserMegaJoule′-Lalu1,2,a),,,DAM/DIF,Bruy`eres-le-Ch?atel,F-91297Arpajon,France2Laboratoirepourl’UtilisationdesLasersIntenses(LULI),Ecole′Polytechnique,91128Palaiseau,Francea)-******@?-dischargepolymer(GDP)?ectofoxygenabsorptionbyGDPstructureisstudiedonthecoldcurve,,?nementFusion(ICF)requiresusinglargescalefacilitieslasertoimplodeandigniteasphericalcapsulemadeofanablatormaterialand?lledwithadeuterium-tritiummixture[1].Intheindirect-driveschemeusedontheNationalIgnitionFacility(NIF)intheUSAandtheLaserMegaJoule′(LMJ)inFrance,radiationdriveisprovidedbyX--pressionoftheICFcapsules[2].Abilitytopredictashockuracyrequiresapreciseknowledgeofthecapsuleablatormaterialequationofstate(EOS).ICFcapsuledesignisperformedusinghydrodynamicscodesforwhichwide-rangingEOStablessuchasQEOS[3]andSESAME[4](anisothermatambienttemperature),,therearenosatisfactorymodelsinthewarmdensematter(WDM)regimetourateEOSgiventhatquantume?,thetabularEOSmodelsareimprovedusingbothlaser--dischargepolymer(GDP),%carbon,56%hydrogenand3%oxygenfromRBS1andInfraredspectroscopymeasurements[5].positionofGDPplastics(around3%)isanimportantissueforICFbecauseita?ectstheshockvelocityduringICFcapsuleimplosionbyabsorbingX-rays[6]anditincreaseshydrodynamicinstabilitiesbyafactor3-5timeslargerthancontributionsfromsurfaceroughness[7].,weinvestigatethee?,,weshowthee?ectofoxygenalongtheprincipalHugoniotinthemultimegabarpressurerangefromaMie-Gruneisen¨-,090005-1–090005-4;doi:.978-0-7354-1457-0/$-1COLDCURVEAbinitiomoleculardynamics(AIMD)[8](DFT)forelectrons[9]toclassicalmoleculardynamicsforions,[10,11]withintheprojectoraugmentedwave(PAW)method[12]isemployedforthecalculationoftheelectronicstructureandthegeneralizedgradientapproximationaccordingtotheparametrizationofPerdew,BurkeandEwzerholffortheexchange-correlationenergyandpotential[13].[14]areusedforH,CandO(withvalenceorbitalsof1s1,2s22p2,2s22p4,.,.,.).Thecut-o?energyfortheplane-(setat250),volumeandtemperaturearekeptconstantduringthesimulation(NVTensemble).Inordertoinvestigatee?ectofoxygenuponthecoldcurveofGDPplastic,on?g-on?gurationwithoutoxygen,socalledGDP-CH(100atomsofcarbon,150atomsofhydrogen),on?gurationdisplayingoxygen,socalledGDP-CHO(102atomsofoxygen,140atomsofhydrogen,8atomsofoxygen).SincetheGDPplasticwewanttosimulateisanamorphousmaterial,,,thetemperaturethresholdisloweredto2000K,1000K,,()DP-CHandGDP-CHOcon?.--CH(inblack)DP-CHO(ingreen).Inordertohandlethesecoldcurvesthereafter,theparametricEOSformdevelopedbyHolzapfel[15]isusedtoandBirch-MurnaghanEOSformstocoverthe090005-,thepressureisgivenas:1?xPAP2(x)=3Kexp{c(1?x)}(1+cx(1?x)),(1)c0x502=1/3=/0wherex(ρ0/ρ)forconvenienceandc232(K0-3)--CHandGDP-CHOarethen?--metricEOSform,-=/3=0===/3tersare(,,,)fortheGDP-CHcon?gurationand(,=0==,,).)fortheGDP-CHOcon??tstoAIMDdatafortheGDP-CHandGDP-CHOcon??cantpressuredi?erenceisobservedalongcoldcurvereachingupto10-15%.pressionpropertiesofGDPplastic,,weinvestigatethee?ectofoxygenupontheEOSofglow--ρplaneareconstructedforbothcon?gurationsbyaddingcoldcurvepreviouslyponentgivenbytheMie-Gruneisen¨¨parameterγ(V)suchas:γ(V)P(V,T)=P(V,T)?P(V)=(U(V,T)?U(V)),(2)thHcVHc?=wheretheenergyalongtheHugoniotUHisremovedbyusingtheRankine-Hugoniotrelation:UHR(V,T)U01/2(PH+P0)(VH?V0)andthecoldenergyUcbyintegratingthecoldcurve:Uc(V)?U0=?Pc(V),theGruneisen¨parameteriscalculatedusingtheCowanmodel,--Gruneisen¨DP-CH(inblack)andGDP-CHO(ingreen).??erencesinpressurereachupto20%,whichwillchangethe?-3Moreover,preliminaryanalysisofarecentexperimentperformedattheLULI2000laserfacilitycon?rmstheef-(displayedinred).ResultsareingoodagreementwithmeasurementsperformedbyBarriosetal.[16]al.[17]fromquartzreference(displayedinblue).,theexperimentaldataarelowerthantheHugoniotcurves,probablybecauseoftheanalyticalmodelfortheGruneisen¨parameterisbasedonaliquidmodel,′,,wehaveshownthattheoxygenchangessigni?-Gruneisen¨modeltogetathermalcontributionwehaveshownthattheoxygene??,di?[1],,,,,,?man,,,PhysicsofPlasmas11(2004).[2],,,,,,,,,,,PhysicsofPlasmas18,(2011).[3],,,,PhysicsofFluids(1958-1988)31,3059–3078(1988).[4]-UR-92-3407,LosAlamosNationalLaboratory(1992).[5],.(CEA,2012).[6],,,,,,,,,FusionScienceandTechnology63,142–150(2013).[7],,,,,,,,,PhysicsofPlasmas22,(2015).[8],,,,,,1045–1097Oct(1992).[9],,A1133–A1138Nov(1965).[10]monprojectoftheCatholicUniversityofLouvain(Belgian),CorningIncorporatedandothercollaborators.[11],J.-,,,,G.-,,,,,,,,,J.-,,478–492(2002).[12],,,,,337–351(2008).[13],,,,3865–3868Oct(1996).[14],,(2012).[15],(1998).[16],,,,,,,,PhysicsofPlasmas17(2010).[17],,(2013).090005-4