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1.
IntroductionInMEIWen_hua’spaper [1 ] ,acommentonAMSAA_BISEmodelproposedbyauthoretal.(cf[2 ] )isgiven ,andanapproximatemodelattemptingtosolvethisproblemispresented .TheAMSAA_BISEmodelisderiveddirectlyfromanotherapproachthatisdifferentfromtheapproachesof[2 ]and [3 ]…  相似文献   

2.
BBAIZhan_bing (白占兵 )ExistenceandMultiplicityofPositiveSolutionsforaFourth_Orderp_LaplaceEquations 1 2 ( 1 476)………………………………………………………………………BAOWen_bo (鲍文博 )SeeXUYu_xiu (徐玉秀 ) 5( 586)…………………………………AmitabhBanerjeeandThakurBalwantSinghAFixedPointTheoremforSet_ValuedMapping…  相似文献   

3.
ONUNILATERALLYCONSTRAINEDMOTIONSOFRIGIDBODIESSYSTEMSLiHongbo(李洪波)(MMRC,InstituteofSystemsScience,AcademiaSinica,Beijing100080...  相似文献   

4.
INITIALVALUEPROBLEMFORHIGHDIMENSIONALDYNAMICSYSTEMSZhuChang-jiang(朱长江)(Inst.ofMath.Scis.,AcademiaSinica,Wuhan430071)(Received...  相似文献   

5.
C- METHOD AND ITS APPLICATION TO ENGINEERING NONLINEAR DYNAMICAL PROBLEMS   总被引:2,自引:0,他引:2  
IntroductionConsiderthedynamicsystemsdescribedbythefollowingdifferentialequation : x=f(x) ,( 1 )wherexandfaren_dimensionalrealvectors,andthedotindicatesdifferentiationwithrespecttotime ,t.Supposethatx=u(t)isaperiodicsolutionofEq .( 1 )withperiodic,say ,T .KrylovandB…  相似文献   

6.
INDEXAMinaB .Abd_el_Malek ,NagwaA .BadranandHossamS .HassanSolutionoftheRayleighProblemforaPower_LawNon_NewtonianConductingFluid  viaGroupMethod 6( 63 9)………………………………………………………………G .M .AmiraliyevandMusa ak rNumericalSolutionoftheSingularlyPerturbedProblemwithNonl…  相似文献   

7.
IntroductionIn [1 ] ,underagroupofveryextensiveconditions,SHENZu_hestudiedtheexistenceofaunique 2π_periodicsolutionofthesystemofordinarydifferentialequationsu″(t) G(u(t) ) =p(t) ,(1 )whereG :Rn →Rhasacontinuoussecondpartialderivatives,andp:R→Rniscontinuousand2π_per…  相似文献   

8.
THEPLANESTRESSCRACK-TIPFIELDFORANINCOMPRESSIBLERUBBERMATERIALGaoYu-chen(高玉臣),ShiZhi-fei(石志飞)(HarbinShipbuildingEngneeringInst...  相似文献   

9.
IntroductionTomakethelongtermsimulationoftheNavier_Stokesequationspossibleduringthelastdecade,theso_callednonlinearGalerkinmethod (NGM) ,whichisbasedupontheconceptsoftheInertialManifold (IM) [1]andtheApproximateInertialManifold (AIM) [2 ],wasconstructed(seeRefs.…  相似文献   

10.
ROBUSTCONTROLVIASTATEFEEDBACKFORACLASSOFUNCERTAINBILINEARSYSTEMS¥ChenSonglin(陈松林);ZhuZuchi(朱祖慈)(EastChinaInstituteofMetallurg...  相似文献   

11.
LOCALBIFURCATIONANALYSISOFSTRONGLYNONLINEARDUFFINGSYSTEMBiQinsheng(毕勤胜);ChenYushu(陈予恕);WuZhiqiang(吴志强)Abstract:Byusingcoordin...  相似文献   

12.
3-D Fracture Propagation Simulation and Production Prediction in Coalbed   总被引:2,自引:0,他引:2  
NomenclatureA(x,t)—Cross_sectionareaoffractureattimetandsitex,m2 ;Bg,Bw —Coalbedgasandwatervolumefactor,di mensionless;b—Langmuirfactor,(MPa) - 1 ;Cg,CR,Cw —Coalbedgas,rockandwatercom pressibilitycoefficient,(MPa) - 1 ;Cp —Sandratio ,dimensionless;Ct(x ,t)—Totalfracturin…  相似文献   

13.
IntroductionSincetheendof 1 980s,asahighandnewtechnologyforactivevibrationcontrol,activemagneticbearings (AMBs)havebeenappliedinhighperformancecentrifugalcompressorsandpumpsinvolvedinlargetypepowerstations,jet_planes,spacecraftsandpetroleumoilpipingsystems,…  相似文献   

14.
IntroductionConsideringthestabilitybehaviourinthenumericalsolutionofgeneralizedneutraldelaydifferentialequationsy′(t) =Ly(t) My(tτ) Ny′(tτ)   (t≥ 0 ) ,( 1 )y(t) =(t)   (t≤ 0 ) ,( 2 )whereL ,MandN∈Cd×dareconstantcomplexmatrices,(t) ∈Cdisagivenvector_valuedinitialfunction ,a…  相似文献   

15.
IntroductionManyproblemsofengineeringinterest,includingproblemsofoilreservoirsimulation,leadtothetaskofsolvingasystemoflinearequationsAx=f,(1)whereAisann×n,real,largesparse,non_SPDmatrix.Thedirectdecompositionmethodismostefficientsolverwhennissmall.However…  相似文献   

16.
FIXEDPOINTWITHORBITALDIAMETRALFUNCTIONB.K.Sharma;B.S.Thakur(SchoolofStudiesinMathematics,Pt.RavishankarShuklaUniversity,Raipu...  相似文献   

17.
ANEXACTSOLUTIONONTHESTRESSANALYSISOFFILIETWELDSXueDawei(薛大为)(ReceivedMarch1.1995)AbstractAnexactsolutiononthestressdistributi...  相似文献   

18.
IntroductionAcomparison[1,2 ]betweentheDBEMandtheindirectboundaryelementmethod (IBEM)hasbeenmadebyearliersomeauthors.TheirmainviewpointsarethattheDBEMhasanadvantageofgettingobjectivelyphysicalquantitiesotherthanimaginaryones ,butitrequiresanintegratednumer…  相似文献   

19.
IntroductionandProblemintheResearchofToroidThispaperdealswiththeexistenceof2π_periodicsolutionstothenonlinearsystemoffirst_orderdifferentialequationswithadeviatingargument x(t) =Bx(t) F(x(t-τ) ) p(t) ,( 1 )wherex(t)∈R2 , x(t) =ddtx(t) ,τ∈R ,B∈R2×2 ,F :R2 →R2 isboundedandp∈C(…  相似文献   

20.
FREE BOUNDARY PROBLEM OF THE 2D SEEPAGE FLOW   总被引:2,自引:0,他引:2  
FREEBOUNDARYPROBLEMOFTHE2DSEEPAGEFLOW¥SheYinghe(佘颖禾)SunYing(孙鹰)GuoXiaoming(郭小明)(DepartmentofMathematicsandMechanics,Southeast...  相似文献   

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