超声波引起固体微裂纹局部发热的理论计算
摘要
基于微裂纹在超声波作用下的局部发热现象 ,已形成一种新型无损检测技术 ,即超声红外检测技术 .然而 ,迄今为止 ,尚未建立有效的理论模型对其局部发热机制进行定量计算 .文中从三维弹性动力学方程出发 ,基于罚函数及界面本构摩擦模型 ,以节点 单元法为接触搜索算法 ,采用有限元数值计算方法 ,模拟了一含有微裂纹平板中的波动传播过程 ,并计算了裂纹表面的摩擦生热
引文
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1 MignognaB ,etal.Thermographicinvestigationofhigh powerul trasonicheatinginmaterials.Ultrasonics,1981,19(7):159
2 RantalaJ,etal.Amplitude modulatedlock invibrothermographyforNDEofpolymersandcomposites.ResearchinNon destructiveEvaluation,1996,7:215
3 FavroLD ,etal.Thermosonicimagingofcracksanddelaminations.ProgressinNaturalScience,2001,11Supplement(5):133
4 PekauOA ,etal.Seismicfractureanalysisofconcretegravitydams.EarthquakeEngineeringandStructureDynamics,1991,20:335
5 李庆斌,等.异弹模界面裂纹的动断裂分析.地震工程与工程振动,1990,10:63
6 LiuJB ,etal.Adynamiccontactforcemodelforcontactablecrackswithstaticandkineticfriction.ComputerMethodsinAppliedMe chanicsandEngineering,1995,123:287
7 HallquistJO ,etal.Slidinginterfaceswithcontact impactinlarge scaleLagrangiancomputations.ComputerMethodsinAppliedMe chanicsandEngineering,1985,51:107
8 BelystchkoT ,etal.Contact impactbythepinballalgorithmwithpenaltyandLagrangianmethods.InternationalJournalforNumeri calMethodsinEngineering,1991,31:547
9 BurtonDE ,etal.Physicsandnumericsofthetensorcode,LawrenceLivermoreNationalLaboratory,UniversityofCalifornia,CaliforniaUS ,InternalDocumentUCID 19428,1982
10 BensonDJ ,etal.Asinglesurfacecontactalgorithmforthepost bucklinganalysisofshellstructures.ComputerMethodsinAppliedMechanicsandEngineering,1990,78:141
11 CurnierA .Atheoryoffriction.InternationalJournalofSolidsandStructures,1984,20:637
12 WangSP ,etal.Theinside outsidecontactsearchalgorithmforfi niteelementanalysis.InternationalJournalforNumericalMethodsinEngineering,1997,40:3665
13 BelystchkoT ,etal.Athree dimensionalimpact penetrationalgo rithmwitherosion.Computers&Strucures,1987,25:95
14 WriggersP ,etal.Contactconstrainswithincoupledthermome chanicalanalysisAfiniteelementmodel.ComputerMethodsinAp pliedMechanicsandEngineering,1994,113:301
15 MichalowskiR ,etal.Associatedandnon associatedslidingrulesincontactfrictionproblems.ArchivesofMechanics,1978,30:259
16 OdenJ ,etal.Nonlocalandnonlinearfrictionawsandvariationalprinciplesforcontactproblemsinelasticity.JournalofAppliedMe chanics,1983,50:67
17 杨世铭,等.传热学.第三版,北京:高等教育出版社,2001.420
18 WA纳什,等.赵志岗译.材料力学.第四版,北京:科学出版社,2002.26
19 洪 毅,等.超声红外热像技术及其在无损检测中的应用.南京大学学报,2003,39:547
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