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1.
IntroductionAsearlyas1895,Blackstudiedthephysicalbehaviorofhumanteeth[1].Since1950thestudies Fig.1onmechanicalpropertiesofhumanteethhaveappearedinjournalsandmagazinessuccessively[2~13].Humanteethareverysmallandthespecimensusedfortestingareevensmaller… 相似文献
2.
洪晴华 《应用数学和力学(英文版)》1999,20(11):1275-1278
TheXORfunctionismod_2sumofproductalgebraical.Itisbecomingincreasinglyattractiveduetotheiradvantagesofsmallercircuitareaonachipandbeingmucheasiertotest[1].An_variableXORfunction:f(xn,xn-1,…,x1)canbeexpressedwiththemod_2expansionas[2]:f(xn,xn-1,…,x1)=∑… 相似文献
3.
杨光崇 《应用数学和力学(英文版)》1999,20(11):1291-1296
Itiswell_knownthatthetheoryofmonotonesequenceandfixedpointsinorderedBanachspaceisanimportanttoolforinvestigatingthenonlinearproblem.Utilizingthistool,continuityandcompactnessareusuallyassumed(see[1~3]).Recently,withoutthesupposeofcontinuity,theexiste… 相似文献
4.
Someengineeringproblemscanbeexpressedbysuchasystemoflinearnon_homogeneousdifferentialequationsasL1[u1(q)]=F1(q),L2[u2(q)]=F2(q)+f2[u1(q)],…Ln[un(q)]=Fn(q)+fn[u1(q),u2(q),…,un-1(q)],(1)andtheirinitialandboundaryconditions,whereqisthesetofallargumentsw… 相似文献
5.
IntroductionThispaperisconcernedwiththenumericalsolution ,byfinitedifferencemethod ,ofthefollowingsingularlyperturbednonlocalboundaryvalueproblem :Lu≡-εu″ +a(x)u=f(x) ( 0 <x<l) ,( 1 )L0 u≡-εu′( 0 ) +γu( 0 ) =μ0 , ( 2 )L1u≡u(l) -δu(d) =μl ( 0 <d<l) ,( 3 )whereεisasmallpositiveparameter,… 相似文献
6.
Thedynamictransientresponseanalysisofporousmediaplaysaveryimportantroleinalotofengineeringpracticessuchastransientconsolidation,noisecontrol,earthquakeengineeringandbioengineering.Biot[1]originallydiscussedthewavepropagationprobleminfluid_saturatedpo… 相似文献
7.
IntroductionForaparticlemovingwithhighvelocitynearthatoflightcitsmomentumwasobtainedbyRef.[1]usingLaurentseriestoexpand|v/c|<... 相似文献
8.
Thedifferentialquadraturemethod(DQM)proposedbyR.Bellman[1,2]hasbeensuccessfullyemployedinnumericalcomputationsofproblemsinengineeringandphysicalscience.BecausetheinformationonallgridpointsisusedtofitthederivativesatgridpointsintheDQM,itisenoughtoobta… 相似文献
9.
Stability of a class of neural network models with delay 总被引:6,自引:0,他引:6
IntroductionRecently,theoreticalandapliedstudiesofneuralnetworkmodelhavebenthenewfocusofstudiesintheworld.Itiswel_knownthatqu... 相似文献
10.
On star product fractal surfaces and their dimensions 总被引:3,自引:0,他引:3
Generallyspeaking,fracturesurfacesofmaterialsarerough,irregularandrandom.Thefractureandweaknessinrock,concrete,ceramicsandmetalsignificantlyaffectthedeformation,strength,andconductivityofthesematerials.Manypaper(suchas[1~3])focusedonthefracturesurfa… 相似文献
11.
Itisinrecentyearsthatthedamagemechanicsissuccessfulinstudyingthefatigueproblems.Thekeytothismethodistodefineanappropriatedamagevariablewhichhasaclearphysicalmeaningandshouldbemeasuredbyasimpleexperimentalprocedure,andthevariablecanbeusedtoestablished… 相似文献
12.
IntroductionParametricalyexcitedvibrationshavebenextensivelyappliedtoinengineringsystems[1],suchasthevibrationofmachines,dyna... 相似文献
13.
Investigation of a griffith crack subject to uniform tension using the non-local theory by a new method 总被引:1,自引:0,他引:1
IntroductionInseveralpreviouspapers[1,2,3],Eringendiscussedthestateofstressnearthetipofasharplinecrackinanelasticplatesubjecttouniformtension,shearandanti_planeshear.Thefieldequationsemployedinthesolutionoftheseproblemsarethoseofthetheoryofnon_locale… 相似文献
14.
Wehavediscussedconceptofequationwithn_turningpointsinmypaper[1],i.e.,asecondorderlinearordinarydifferentialequationd2ydx2+[λ2q1(x)+λq2(x,λ)]y=0,whereq1(x)=(x-μ1)(x-μ2)…(x-μn)f(x),f(x)≠0,andλisalargeparameter.Althroughthefirsttermoftheasymptoticexpan… 相似文献
15.
戴天民 《应用数学和力学(英文版)》2000,21(1):27-32
IntroductionItiswell_knownthatthereexiststheargumentbetweenAtkinson(see[1~4])andEringenandco_workers(see[5~7])overthenon_loca... 相似文献
16.
江福汝 《应用数学和力学(英文版)》1999,(4)
IntroductionIn[1],theseriessolutionsofthecircularplatewithhingededgeandwiththesimplysupportededgehasyetbenconstructed,whicha... 相似文献
17.
黄民海 《应用数学和力学(英文版)》1999,20(7):812-818
IntroductionUptonow,therehavebenmanyresearchesontheplaneweldingproblemofisotropicmaterials.e.g.[1]and[2]etc.However,forthepla... 相似文献
18.
The non-linear chaotic model reconstruction for the experimental data obtained from different dynamic system 总被引:2,自引:0,他引:2
Thesystematicstudyofmodelingchaotictimeseriesisarelativelynewresearchtopicoriginatinginthe1980s.Oneimportantreasonforthisisthatlineartechniques[1~3]suchasARmodels,AROMAmodelsandARMAVmodelsetc.,solongdominantwithappliedmathematicsandnaturalsciences,… 相似文献
19.
黄再兴 《应用数学和力学(英文版)》1999,(7)
IntroductionAsageneralizationoftheclasicalfieldtheory,nonlocalfieldtheorycanbeusedasthetheoreticalbaseinmacro_micromechanicsb... 相似文献
20.
IntroductionTheconventionalpassiveconstrainedlayerdamping(PCLD)treatmentshavebeenextensivelyutilizedasasimpleandreliablemeansfordampingoutthevibrationofvariousstructures(MeadandMarkus1969[1],Y.K.Cheung1972[2],JohnsonandKienholz1982[3],CupialandNiziol… 相似文献