共查询到20条相似文献,搜索用时 62 毫秒
1.
IntroductionThatthebloodhasviscoelasticpropertiesisawell_knownfact.TheresearchesforthebloodviscoelasticitybyG .B .Thurston[1~4]andS .Chien[5 ]showthatthebloodnotonlyappearstheviscoelasticityinvariousoscillatorybloodflows,butalsohasquitestrongelasticityinsome… 相似文献
2.
丁灯 《应用数学和力学(英文版)》2000,21(9):1079-1090
IntroductionThestochasticoptimalcontrolproblemsofreflecteddiffusionprocesseshasbeenconsideredbysomemathematicians,forinstance ,P .L .Lionsin [1 ] ,andJ.L .MenaldiandM .Robinin[2 ] .Inthispaper,wewillconsiderastochasticoptimalcontrolproblemofreflecteddiffusionswit… 相似文献
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IntroductionAnumberofmaterialsinengineeringcanbeclassifiedinthecatalogofviscoelasticity ,includingrock ,soil,polymer,andER MRmaterialsetc .[Christensen 1 982 [1],TAO 1 999[2 ]] .Thedynamicanalysisofviscoelasticproblemsisrelatedtothetimedependentsolutions.Eventhoughdi… 相似文献
4.
边宇虹 《应用数学和力学(英文版)》2000,21(5):591-596
IntroductionInengineeringtechnology,thebendingproblemofelasticthinplatehasimportantpracticalsignificance,andalotofresultshavebeenobtained.Becausetheproblemsofeachedgespointsupportedarecomplexer,therearefewresultsoftheproblems.Inthepaper[1],themethodofsup… 相似文献
5.
Dynamical Stability of Viscoelastic Column with Fractional Derivative Constitutive Relation 总被引:1,自引:0,他引:1
IntroductionMoreandmoreproblemsinscienceandengineeringhaveconcernedthestabilityanalysisoftheviscoelasticstructuresduetotheirbroadapplications .In [1]CederbaumandMondappliedthemultiple_scalesmethodtotreatstabilityofaviscoelasticcolumnunderaperiodicaxiall… 相似文献
6.
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
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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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IntroductionSofar,onlyafewpeoplehavestudiedthelargedeflectionproblemsofsandwichplatesandshellsbecauseofthedifficultyofnonlinearmathematics.LiuRenhuaihasdonemuchtofindaseriesofresultswiththevalueofapplicationinengineeringpractice[1~5].Author[6,7]hadtheiniti… 相似文献
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IntroductionThedegeneratedisoparametricshellelementhasbecomeincreasinglypopularinpracticalengineeringinawiderange.ThisgeneralshellelementwasoriginallyintroducedbyAhmadetal[1]forthelinearanalysisofmoderatelythickshells .Itwasdegeneratedfromathree_dimensi… 相似文献
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IntroductionTheflowtheoryanditsapplicationoffluidsflowinafractalreservoirhavecontinuallygonedeepintostudysinceChangandYortsos[1]builttheflowmodeloffluidthroughafractalreservoir.TONGDeng_ke[2 ]presentedtheexactsolutionanditspressurecharacteristicsfortheva… 相似文献
11.
General solutions of coupled thermoelastic problem 总被引:1,自引:0,他引:1
IntroductionWhentheheatconductionequationinvolvesthetermofdeformationandthermoelasticequationscontaintemperature,thiskindofproblemiscalledcoupledthermoelasticproblem,whichtemperaturefieldandelasticfieldmustbesolvedsimultaneously[1,2].Ingeneral,theequatio… 相似文献
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IntroductionAtpresent,theresearchonvariationalinequalitiescausedbyelasticitywithfrictionarestillrestrictedtotheequivalentmaximumorminimumenergyprinciples .Somefamousexperts,GUOYou_zhong[1],ZHOUShu_zhi[2 ],G .F .CareyandJ.T .Oden[3]andJ.T .OdenandL .Campos[4 ],allhav… 相似文献
13.
IntroductionThepersistenceproblemofaLogisticpopulationinapollutedenvironmentwasstudiedinpaper [1 ] .Butonlyonespecieswasundertheconsiderationinthepaper.Infact,anypopulationinactualbiologicalsituationsmustbelivingonotherpopulations .AsimpleGallopin’sresour… 相似文献
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On a new algorithm of constructing solitary wave solutions for systems of nonlinear evolution equations in mathematical physics 总被引:2,自引:0,他引:2
IntroductionSolvingnonlinearequationsisalwaysaveryinterestingsubjectformathematicianandphysician ,inparticular,solitarywavesolutionsfornonlinearequationsareofboththeoreticalandpracticalimportance.Recently ,Yan[1]obtainedatransformationdirectlyfromthefamo… 相似文献
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A THEORETICAL SOLUTION OF CYLINDRICAL SHELLS FOR AXISYMMETRIC PLAIN STRAIN ELASTODYNAMIC PROBLEMS 总被引:1,自引:0,他引:1
IntroductionTheanalysisfordynamicproblemofelasticbodieshasbeenstudiedformanyyears.Basedonthemomentlessthinshelltheory ,HuthandCole[1]studiedthestresswaveinasphericalshellproducedbypressureloadsin 1 955.Mcivor[2 ]discussedtheflexuralstressandmembranestressina… 相似文献
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IntroductionThefrictionalsystemthatcouldexhibitchaoticbehaviorhadbeenwell_known[1- 9].In [3] ,Popphadderivedaone_dimensionalcirclemaptodescribethestick_slipmotiononasimplefrictionalsystemandshownitschaoticbehavior.Afteranumberofinvestigations,Poppconcluded :… 相似文献
17.
1 StressFunctionEquationsofPlanarElasticBodyandConditionsofDefiniteSolutions Analyticfunctionshavemanyimportantapplicationstotheproblemsofplanarelasticmechanicsandfluidmechanics[1~ 3].Inordertomakeacarefulstudyofthevectorfieldswithsourcesandcurls,thebia… 相似文献
18.
IntroductionDynamicstabilityanalysisofviscoelasticstructuresismuchmorecomplicatedsincethemathematicalmodelturnsouttobeasystemofintegro_partial_differentialequations,ratherthanasystemofpartialdifferentialonesasintheelasticstructure[1].Manyworkshavebeenp… 相似文献
19.
On the isometric isomorphism of probabilistic metric spaces 总被引:1,自引:0,他引:1
刘明学 《应用数学和力学(英文版)》2002,23(5):614-617
IntroductionTherearetwokindsofisometricisomorphisminprobabilisticmetricspacetheory (see[1 -9] ) .ThefirstisthataPMspace (E ,F)isisometricallyisomorphictoanotherPMspace(E′,F′) ,andthesecondisthataPMspaces(E ,F)isisometricallyisomorphictoageneratingspaceofquasi_met… 相似文献
20.
IntroductionInearthquakeengineering ,itisimportantfordesignerstostudytheeffectsofsurfacetopographyoncharacteristicsofstrongearthquakemotion .Manystudiesonthissubjecthavebeencarriedoutinthepasttwentyyears.Trifunac[1]gottheseriessolutiontoscatteringofplane… 相似文献