简介：Inthisworkpropagationofanti-plane(SH)wavesintwopiezoelectricceramichalf-spaceswithathinlayerofasemiconductingmaterialbetweenthehalf-spacesisstudied,andwaveattenuationanddispersioncausedbysemiconductionaswellaswaveamplificationbyabiasingelectricfieldareexamined.

简介：Basedonthegeneralconservationlawsincontinuummechanics,theEulerianandLagrangiandescriptionsofthejumpconditionsofshockwavesin3-dimensionalsolidswerepresentedrespectively.Theimplicationofthejumpconditionsandtheirrelationsbetweeneachother,particularlytherelationbetweenthemassconservationandthedisplacementcontinuity,werediscussed.Meanwhiletheshockwaveresponsecurvesin3-dimensionalsolids,i.e.theHugoniotcurveswereanalysed,whichprovidethefoundationforstudyingthecouplingeffectsofshockwavesin3-dimensionalsolids.

简介：Basedonthemultiplescatteringmethod,thispaperinvestigatesabenchmarkproblemofthepropagationofliquidsurfacewavesoverfinitegraphene(orhoneycomb)structuredarraysofcylinders.Comparingthegraphenestructuredarraywiththesquarestructuredandwithtrianglestructuredarrays,itfindsthatthefinitegraphenestructurecanproducemorecompletebandgapsthantheotherfinitestructures,andthefinitegraphenestructurehaslesslocalizedabilitythantheotherfinitestructures.

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简介：Byusingthematchedasymptoticexpansionmethodandtheideaofedgelayer,amathematicmodelfordescribingtheinteractionbetweenweaklynonlinearshallow-waterwavesandthree-dimensionalfloatingbodiesisformedinthepaper.Asanumericalexample,thediffractionofasolitarywavearoundaverticallyfloatingcir-cularcylinderhasbeeninvestigatedandtheresultsarepresented.Thepresentmethodcanfurtherbeextendedtothestudyofwavediffractionaroundfloatingbodiesofgeneralshape.

简介：我们调查在压电的分层的结构的起始的应力的效果装载了与的经分解粘滞爱的散、稀释的特征上的液体飘动，它包含薄压电的层完美地结合了到无界的有弹性的底层。在压电的层的起始的应力的效果并且粘滞爱波浪的阶段速度上的液体的系数被分析。数字结果被介绍并且讨论。分析方法和结果能为化学药品和biosensing液体传感器的设计是有用的。

简介：这份报纸面对一个电的偏导领域与内在的有限变丑在软electroactive柱体学习波浪繁殖。为electroelasticity和联系线性增长理论基于一个最近建议的非线性的框架，管理axisymmetric波浪的基本方程在柱体打手势，它受到同类预先拉长并且先存在的轴的电的排水量，当electroactive材料各向同性、不可压缩时，被介绍。准确波浪答案然后被导出以(修改)Bessel函数。为非线性的electroactive材料的一个原型模型，解说性的数字结果被给。这被显示出效果预先拉长并且电的偏导地能在波浪繁殖特征上是重要的。

简介：ThescatteringofLovewavesbyaninterfacecrackbetweenapiezoelectriclayerandanelas-ticsubstrateisinvestigatedbyusingtheintegraltransformandsingularintegralequationtechniques.Thedy-namicstressintensityfactorsoftheleftandtherightcracktipsaredetermined.Itisfoundfromnumericalcalculationthatthedynamicresponseofthesystemdependssignificantlyonthecrackconfiguration,thema-terialcombinationandthepropagatingdirectionoftheincidentwave.Itisexpectedthatspecifyinganappro-priatematerialcombinationmayretardthegrowthofthecrackforacertaincrackconfiguration.

简介：Themechanismfortransportingliquidfromthebottomofthepipetothetopstilltobeestablishedinthepredictionofthefilmthicknessdistributioninhorizontalannulartwo-phaseflow.Toresolvethisissue,usingfiveparallel-wireconductanceprobes,timerecordsoflocalliquidfilmthicknessatfivecircumferentialpositionswerecollected.Thecharacteristicsofcircumferentialliquidfilmthicknessprofilesanditsvariationwithgasandliquidvelocitieswereobtained.Thebasicfeaturesofprobabilitydistributionfunction,probabilitydensityfunction,auto-correlation,cross-correlationandpowerspectrumdensityfunctionofthedisturbancewavesinannularflowwerestudiedrespectively.Thecharactersticsofcircumferentialprofilesofdisturbancewavesanditsvariationwithgasandliquidvelocitieswerepresented.

简介：Hydrodynamicpropertiesandstructureofstrongshockwavesinclassicaldenseheliumaresimulatedusingnon-equilibriummoleculardynamicsmethods.Theshockspeedinthesimulationreaches100km/sandtheMachnumberisover250,whichareclosetotheparametersofshockwavesintheimplosionprocessofinertialconfinementfusion.Thesimulationsshowthatthehigh-Mach-numbershockwavesindensemediahavenotabledifferencesfromweakshockwavesorthoseindilutegases.Theseresultswillprovideusefulinformationontheimplosionprocess,especiallythestructureofstrongshockwavefront,whichremainsanopenquestioninhydrodynamicsimulations.

简介：cubic-quintic非线性的Schrodinger方程(CQNLS)在光纤维和原子水动力学起重要作用。由为cubic-quintic使用同类的平衡原则，钟类型，纽结类型，代数学的独居的波浪，和三角法的旅行波浪，有可变系数(vCQNLS)的非线性的Schrodinger方程在一套辅助高顺序的平常的微分方程的帮助下被导出(亚方程为短)。在这篇论文使用的方法可能帮助一个为otherhigh顺序导出准确答案非线性的进化方程，和表演同类的平衡原则的新申请。

简介：WestudythegeneralizedDarbouxtransformationtothethree-componentcouplednonlinearSchr¨odingerequation.First-andsecond-orderlocalizedwavesareobtainedbythistechnique.Infirst-orderlocalizedwave,wegettheinteractionalsolutionsbetweenfirst-orderroguewaveandone-dark,one-brightsolitonrespectively.Meanwhile,theinteractionalsolutionsbetweenone-breatherandfirst-orderroguewavearealsogiven.Insecond-orderlocalizedwave,one-dark-one-brightsolitontogetherwithsecond-orderroguewaveispresentedinthefirstcomponent,andtwo-brightsolitontogetherwithsecond-orderroguewavearegainedrespectivelyintheothertwocomponents.Besides,weobservesecond-orderroguewavetogetherwithone-breatherinthreecomponents.Moreover,byincreasingtheabsolutevaluesoftwofreeparameters,thenonlinearwavesmergewitheachotherdistinctly.Theseresultsfurtherrevealtheinterestingdynamicstructuresoflocalizedwavesinthethree-componentcoupledsystem.

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简介：Variouscosmologymodels,braneoscillationscenarios,interactionofinterstellarplasmawithintenseelectromagneticradiation,andevenhigh-energyphysicsexperiments(e.g.,LargeHadronCollider(LHC))allpredicthighfrequencygravitationalwaves(HFGWs,i.e.,high-energygravitons)inthemicrowavebandandhigherfrequencyregion,andsomeofthemhavelargeenergydensities.Electromagnetic(EM)detectiontosuchHFGWswouldbesuitableduetoveryhighfrequenciesandlargeenergydensitiesoftheHFGWs.WereviewseveraltypicalEMdetectionschemes,i.e.,inverseGertsenshteineffect(G-effect),couplingoftheinverseGeffectwithacoherentEMwave,couplingofplanarsuperconductingopencavitywithastaticmagneticfield,cylindricalsuperconductingclosedcavity,andtheEMsychro-resonancesystem,anddiscussrelatedminimaldetectableamplitudesandsensitivities.Furthermore,wegivesomenewideasandimprovementwaysenhancingthepossibilityofmeasuringtheHFGWs.ItisshownthatthereisstillalargeroomforimprovementforthoseschemestoapproachandevenreachuptherequirementofdetectionofHFGWsexpectedbythecosmologicalmodelsandhigh-energyastrophysicalprocess.

简介：Westudytheexistenceoftravelingwavesolutionsforanonlocalandnon-monotonedelayedreaction-difusionequation.Basedontheconstructionoftwoassociatedauxiliaryreactiondifusionequationswithmonotonicityandbyusingthetravelingwavefrontsoftheauxiliaryequations,theexistenceofthepositivetravelingwavesolutionsforc≥cisobtained.Also,theexponentialasymptoticbehaviorinthenegativeinfnitywasestablished.Moreover,weapplyourresultstosomereactiondifusionequationswithspatio-temporaldelaytoobtaintheexistenceoftravelingwaves.Theseresultscover,complementand/orimprovesomeexistingonesintheliterature.

简介：Thebasicequationsoffreecapillary-gravitysurface-wavesinacircularcylindricalbasinwerederivedfromLuke'sprinciple.TakingGalerkin'sexpansionofthevelocitypotentialandthefreesurfaceelevation,thesecond-orderperturbationequationswerederivedbyuseofexpansionofmultiplescale.Thenonlinearinteractionswiththesecondorderinternalresonanceofthreefreesurface-waveswerediscussedbasedontheabove.Theresultsinclude:derivationofthecoupleequationsofresonantinteractionsamongthreewavesandtheconservationlaws;analysisofthepositionsofequilibriumpointsinphaseplane;studyoftheresonantparametersandthenon-resonantparametersrespectivelyinallkindsofcircumstances;derivationofthestationarysolutionsofthesecond-orderinteractionequationscorrespondingtodifferentparametersandanalysisofthestabilitypropertyofthesolutions;discussionoftheeffectivesolutionsonlyinthelimitedtimerange.Theanalysismakesitclearthattheenergytransformationmodeamongthreewavesdiffersbecauseofthedifferentinitialconditionsundernontrivialcircumstance.Theenergymayeitherexchangeamongthreewavesperiodicallyordamporincreaseinsinglewaves.

简介：一个沥青钩子信号比正常发生背墙回响更敏感，这被发现纵在composites(损坏，纤维取向，低级的孔，厚度起浪，和裂缝)向微妙的aw条件招手。力量和僵硬在composites取决于纤维取向和孔体积。合成结构的孔内容一般来说对结构的力量和表演批评。沥青钩子信号来自在哪儿的采样体积的深度与白热化的缩小的瑞利探针是相对浅的，但是深度能被增加播送并且收到的探针的分离距离增加。另外，一个方法被利用由处理laminate的显微图图象决定合成上篮的孔内容。一个自由软件包裹被利用处理测试样品的显微图图象。从处理方法的图象的结果与存在数据相比。横梁侧面在单向性的CFRP被描绘(碳纤维增强了塑料)用沥青钩子瑞利，探针和片面沥青钩子技术被利用在自动扫描仪的帮助下生产C扫描图象。

简介：浅水里的matchedfield处理的时间的关联(MFP)上的线性、独居的内部波浪的效果数字地与不同频率为声学的来源被调查，深度基于从experiment.It的海洋学的数据被显示出MFP的时间的关联作为独居的内部波浪的振幅减少或线性内部波浪increases.For的平均精力密度有更低的频率的声学的来源或下面定位了thermocline，tempor

简介：Wepresentsecond-orderexpressionsforthefree-surfaceelevation,velocitypotentialandpressureresultingfromtheinteractionofsurfacewavesinwaterofarbitrarydepth.Whenthesurfacewaveshavenearlyequalfrequenciesandnearlyoppositedirections,asecond-orderpressurecanbefeltallthewaytotheseabottom.Thereareatleasttwoareasofapplications:reflectivestructuresandmicroseisms.Microseismsgeneratedbywaterwavesintheoceanaresmallvibrationsofthegroundresultingfrompressureoscillationsassociatedwiththecouplingofoceansurfacegravitywavesandtheseafloor.Theyarerecordedonland-basedseismicstationsthroughouttheworldandtheyaredividedintoprimaryandsecondarytypes,asafunctionofspectralcontent.Secondarymicroseismsaregeneratedbytheinteractionofsurfacewaveswithnearlyequalfrequenciesandnearlyoppositedirections.Theefficiencyofmicroseismgenerationthusdependsinpartonoceanwavefrequencyanddirection.Basedonthesecond-orderexpressionsforthedynamicpressure,asimpletheoreticalanalysisthatquantifiesthedegreeofnearnessinamplitude,frequency,andincidenceangle,whichmustbereachedtoobservethephenomenon,ispresented.

简介：在水泥臼板中的冲击波的相互作用被数字点缀关联方法和数字高速度的摄影技术学习。当盘子被同时爆炸的二根雷管破坏时，冲击波地的变化被获得。试验性的结果证明冲击波的相互作用将导致本地正常紧张的非线性的巨大的增加，导致大变丑和严肃的破坏。然而，这强烈非线性的现象的出现易感知地取决于在雷管之间的间隔，并且间隔什么时候比在哪儿的区域的直径小，将仅仅出现冲击波存在。