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IntroductionAsexperimentalresearchshows[1]:Meanwhilebladepositivecurvingreducesthecrosswisepressuregradientintipclearance,resultinginthedecreaseoftherelativeleakagethroughtipclearance ,themixinglossgeneratedfromtheinteractionofthetipleakageandthecrosswi… 相似文献
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IntroductionAlongwiththerecentadvancesofhightechnologies,adaptivestructuresareplayingagreatimportantroleinspacedevelopment[1~... 相似文献
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RESEARCH OF THE PERIODIC MOTION AND STABILITY OF TWO-DEGREE-OF-FREEDOM NONLINEAR OSCILLATING SYSTEMS
刘俊 《应用数学和力学(英文版)》2002,23(10):1229-1236
IntroductionInthesystemofnonlinearoscillating ,periodicmotionisofprimeimportance .Butexistenceofperiodicsolutionsisaverydifficultquestion .Luckilythereexistsomekindsofperiodicsolutioninactualphysicalsystems .Therefore ,weusuallyconcentratedourattentionont… 相似文献
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STUDY FOR THE BIFURCATION TOPOLOGICAL STRUCTURE AND THE GLOBAL COMPLICATED CHARACTER OF A KIND OF NONLINEAR FINANCE SYSTEM(Ⅱ) 总被引:1,自引:0,他引:1
IntroductionChaoticistheinherentrandomnessinthedefinitesystem .Thedefinitenessiscausedbythesysteminternalsbutnotbytheexternaldisturbance,whiletheinherentrandomnessistheirregularanddifficult_to_be_predictedbehaviorofthesystem .Whatismostattractiveofthec… 相似文献
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STUDY FOR THE BIFURCATION TOPOLOGICAL STRUCTURE AND THE GLOBAL COMPLICATED CHARACTER OF A KIND OF NONLINEAR FINANCE SYSTEM(Ⅰ) 总被引:1,自引:0,他引:1
IntroductionChaoticistheinherentrandomnessinthedefinitesystem .Thedefinitenessiscausedbythesysteminternalsbutnotbytheexternaldisturbance[1- 4],whiletheinherentrandomnessistheirregularanddifficult_to_be_predictedbehaviorofthesystem[5 ,6 ].Whatismostattractive… 相似文献
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IntroductionBellows,ashellofwrinkledmeridianofrevolution ,hasbeingincreasinglyusedinmodernequipmentasanelastic_sensitiveelementandaflexiblejoint.Theformerisusuallysubjectedtolargedisplacementsatitsends,andthelattermaypartlyenterintoplasticstate .Hence ,b… 相似文献
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BIFURCATION ANALYSIS OF A MITOTIC MODEL OF FROG EGGS 总被引:1,自引:0,他引:1
IntroductionWiththerapiddevelopmentofbiologysciences,cellsignaltransduction ,cellepoptosis,genomeandpost_genomicanalysishaveattractedincreasingattention[1- 6 ].Thecelldivisioncycleisthesequenceofeventsbywhichagrowingcellduplicatesallitscomponentsandthendiv… 相似文献
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IntroductionThetheoryofflexibleshells,establishedbyE .L .Axelrad[1,2 ]( 1 976,1 987) ,isasimplifiedtheoryforthinshells,inwhichshellsofrevolutionareformulatedinmeridionaldirectionbybendingtheoryoftheshellsandbythemembranetheoryinthecircumferentialdirection .TheAxelr… 相似文献
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西密尔·通兹 《应用数学和力学(英文版)》2001,22(11):1273-1278
IntroductionEversinceLiapunov[1]proposedhisfamoustheoryonthestabilityofmotion ,whichisnowcommonlyknownasLiapunov’ssecondmethodordirectmethod ,theproblemoffindingsufficientconditionsfortheboundednessanduniformboundednessofallsolutionsofnonlineardifferent… 相似文献
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IntroductionFractalinterpolationmethodisnumericalmethodinthefractalgeometryusingiteratedfunctionsystem (IFS) ,itisdifferentfromtraditionalinterpolationmethod .M .F .Barnsely[1,2 ]firstgavethismethodandresearchedthecontinuityandthefractaldimensionofinterpolat… 相似文献
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IntroductionThemaintopicinthispaperis:Howcanoneextendanoperatordefinedinaspaceofcontinuousfunctionstoanoperatordefinedinaspaceofcontinuousset_valuedfunctions,viaselections?Afirst,naiveideacouldbethefollowing :GivenaPolishspaceE ,letXbeacontinuousfunction… 相似文献
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IntroductionArefinedepitomeofvariouspansystemsmethodsistocomprehendandoperateabout 2 0pansystemscategorieswhichcanbeexpandedasthefollowingpithyformulasexpressions:Thepanderivatives (orthechange_changerelations)oftheexterior_interior(orthefunction_structu… 相似文献
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云天铨 《应用数学和力学(英文版)》2001,(9)
1 ThePresentState ,theSignificanceandtheMethodsofOptionResearchAnoptionisarightofselection .Therearetwoselectionsforpurchasinganoption :i.e .,toexerciseitornottoexerciseit.Toabuyer,purchasinganoptionisusedforhedgingorformakingprofitsfromspeculation .Toasell… 相似文献
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陈松林 《应用数学和力学(英文版)》2002,23(5):618-618
ThefollowingLemmastated (in :AppliedMathematicsandMechanics (EnglishEdition) ,2 0 0 1 ,2 2 ( 1 1 ) :1 3 52 -1 3 56)wasappliedtodescribetheasymptoticbehaviorsofsolutionsofaclassofreaction_diffusionequation .Onaccountofthespecialpropertyofthesupersolution(i.e .,anonzerosolution… 相似文献
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IntroductionSinceDienes(1979),NagtegalandDeJong(1982)etalhadocasionalyfoundthephenomenaofsimpleshearoscilationusingthegeneral... 相似文献
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IntroductionC_shapedbellowsorreferredtoassemi_circlebellowsarewithcomplexconfiguration(Fig .1) .Attheconcaveandconvexjointsoftheshell,forexampleatpointC ,thelatitudeangleψincreasesby 180°abruptly .Soitisthekeytocalculationforbellowsthatmakingupsolutionsexact… 相似文献
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IntroductionMostofthefiniteelementsareconstructedbyusingdisplacementfiniteelementmethod .Bysupposingthedisplacementfunctionsintheelement,andusingtheprincipleofminimumpotentialenergy,theelementstiffnessmatrixcanbeformulated .Ifthedisplacementfunctioninth… 相似文献
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IntroductionBellows[1,2 ]isashellofrevolutionwithwrinkledmeridian ,usuallynamedafteritsmeridionalshapeinaperiodoritsprofileofaconvolution ,suchasΩ_shapedbellows,C_shapedbellows,U_shapedbellowsandsoon .Theyarewidelyusedinmanyfields,forexample ,theelasticsense… 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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IntroductionThegeneralizedinversefunction_valuedPad啨approximantswasintroducedtosolveintegralequationsin [1 ] .Letf(x ,λ)beagivenpowerserieswithfunction_valuedcoefficients,i.e.,f(x ,λ) =c0 (x) c1(x)λ c2 (x)λ2 … cn(x)λn … ,( 1 )wherecj(x)isarealorcomplexfunctionwithregardto… 相似文献