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IntroductionTheelastichalf_spacetheoryoffoundationvibrationandthestudyofsoil_structureinteractionproblemhavebeenthesubjectofintensiveresearchinthecivilengineering .SinceLucoetal.[1]summarizedthevibrationofacircularrigidfoundationrestingonanelastichalf_s… 相似文献
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干洪 《应用数学和力学(英文版)》2000,21(6):699-706
IntroductionWiththedevelopmentofnaturalscienceandtheincreasingrequirementintechnology,thelargedeflectionnonlinearproblemofbarsisalwaysanimportantresearchinengineeringapplicationfield.Inthe1960s,theresearchscopewasonlylimitedtoEuler’sElasticatheory,whichw… 相似文献
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戴天民 《应用数学和力学(英文版)》2002,23(3):249-258
IntroductionTheoryofmicropoloarthermoelasticitypresentedbyW .Nowackiisrestudiedinourpaper[1].Thispaperisadirectcontinuationofreference [1 ] .Theproblemsoccurringinthetheoriesofthermopiezoelectricityandmagnetothermoelasticityformicropolarcontinuaaresimilart… 相似文献
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K-ε-T MODEL OF DENSE LIQUID-SOLID TWO-PHASE TURBULENT FLOW AND ITS APPLICATION TO THE PIPE FLOW 总被引:1,自引:0,他引:1
IntroductionLiquid_solidtwo_phaseflowexistswidelyinnatureandmanyindustrialministries,forexample,sediment_ladenwaterflowisacharacteristicliquid_solidtwo_phaseflowinnatureandhydraulictransportofsolidmaterialisacharacteristicindustrialapplication.Thestud… 相似文献
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ntroductionTheelasticorplasticdynamicbucklingofcolumnsundermanykindsofaxialimpactloadinghasbenstudiedforalongtime.Whenstudyin... 相似文献
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GENERAL FORM OF MATCHING EQUATION OF ELASTIC-PLASTIC FIELD NEAR CRACK LINE FOR MODEⅠCRACK UNDER PLANE STRESS CONDITION 总被引:1,自引:0,他引:1
IntroductionCrack_lineanalysismethodwasoriginallyproposedbyAchenbachandLi[1]andwasfurtherstudiedbyGUOandLI[2 ].However,theearliercracklinefieldanalysismethodsolvestheproblembymatchingaspecificsolutionofplasticfieldnearcracklinewithelasticsingularKfieldne… 相似文献
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Afundamentalcharacteristicofplasmasistheir,abilitytosmearoutelectricfields.ThisisatypicalnonlinearproblemofsolvingthePoissonequation.Thepreviousstudyofthenonlinearproblemisusuallybasedonalinearizedmethodwhenthepotentialenergyoftheparticlesismuchsmalle… 相似文献
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武建勋 《应用数学和力学(英文版)》2000,21(7):775-782
IntroductionAccordingtoLove[1],Saint_Venant’sPrinciplecanbeexpressedas:Theeffectofaself-equilibratedsystemofforcesactinginaspherewillrestrictinasmalldomainnearthesphere .Thisprincipleisthebridgebetweentheelasticitytheoryandapplication ,butithasnotbeenprov… 相似文献
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STATISTIC MODELING OF THE CREEP BEHAVIOR OF METAL MATRIX COMPOSITES BASED ON FINITE ELEMENT ANALYSIS 总被引:1,自引:0,他引:1
岳珠峰 《应用数学和力学(英文版)》2002,23(4):421-434
IntroductionThecreepbehaviorofshortfiberreinforceMetalMatrixComposites (MMCs)dependsonthefollowingfactors,suchasthecreeppropertyofthematrix ,elasticandfracturespropertiesofthefiber,geometricparametersofthefibers,arrangementofthefibersandthepropertyofthef… 相似文献
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IntroductionCreepisthetimedependentplasticdeformationofmaterialswhichischaracterizedbyastrongdependenceofthecreepratefromstressσonconstanttemperatureT .Thesecondarycreeprate εdependsonstressσas ε=Cc·σnC, ( 1 )whereCcisaconstant,nCisthecreepstressexponent.Th… 相似文献
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IntroductionFromthebeginningof 1 990s,researchonsystemwithengineeringpracticalbackgroundbecomesmoreandmoreattractivebyusingthenonlineardynamicsystemtheory .Asamethodofsimplifyingdifferentialequations,thetheoryofNormalFormgivesthesimplestformsofdifferentia… 相似文献
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张英世 《应用数学和力学(英文版)》1999,20(5):568-578
IntroductionMuchfamiliarinengineeringareelasticfoundationplates,suchasfoundationbaseplatesincivilengineering,highwaysurface,r... 相似文献
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戴天民 《应用数学和力学(英文版)》2002,23(2):119-126
IntroductionSomeauthorsstudiedthecoupledfieldproblemsformicropolarcontinua .Especially ,W .Nowackipublishedaseriesofabout 4 0scientificpapersdealingwiththemicropolarthermoelasticityaswellastheproblemsofdistortion ,thermodiffusion ,thermopiezoelectricityandm… 相似文献
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IntroductionThetransientphenomenaofdynamicproblemsandthemannerstotreatthemaregenerallyrelatedtothespectralcharacteristicsofexcitation .Onemayomitpropagatingwavesifrelativelylowerfrequenciesgoverntheresponsesintheproblemssuchasseismicresponsesandrespon… 相似文献
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张双寅 《应用数学和力学(英文版)》2002,23(3):271-275
IntroductionAsshownbyZHANGandXIONG ( 1 997) [1],underconstantloadingthecrackinviscoelasticmaterialshasanincubationtime ,withinitthecrackopeningdisplacement (COD)ischanginglargerwithtime,whilethecracklengthkeepsconstant.Investigationonthegradualopeningofthecrac… 相似文献
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A FORM INVARIANCE OF CONSTRAINED BIRKHOFFIAN SYSTEM 总被引:2,自引:0,他引:2
IntroductionThestudyofthedynamicsofBirkhoffiansystemisanactivebranchinthemodernclassicalmathematicsandamoderndevelopingdirectioninmathematicphysics ,andcanbeappliedtoquantummechanics,statisticalmechanics ,biologicphysics,mechanicsofspaceflightandsomefie… 相似文献
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IntroductionThatthebloodhasviscoelasticpropertiesisawell_knownfact.TheresearchesforthebloodviscoelasticitybyG .B .Thurston[1~4]andS .Chien[5 ]showthatthebloodnotonlyappearstheviscoelasticityinvariousoscillatorybloodflows,butalsohasquitestrongelasticityinsome… 相似文献
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IntroductionConsiderthesystemofpartialdifferentialalgebraicequations (PDAEs) :Σ : Pi(y1,y2 ,… ,yn) =0 (i =1,2 ,… ,r) ,wherethecoefficientsareinthedifferentialfieldKwithcharacteristiczero .TheimportantquestionishowtosolvethisPDAEsinthetheoryofpartialdifferentialequa… 相似文献
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赵祖武 《应用数学和力学(英文版)》2001,22(1):89-95
1 IntroductionandPreliminaryWhentheplasticconstitutiveequationatfinitestrainisdiscussed ,thefirstthingtodoistodefineareasonableplasticstrainratewhichisconnectedwiththeproblemofdecompositionofdeformationintoelasticandplasticparts .Inthelatestyearstherea… 相似文献