資源描述：
《Dispersion relations and modes of wave propagation in inclusion-reinforced》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、Composites:PartB43(2012)1649–1657ContentslistsavailableatSciVerseScienceDirectComposites:PartBjournalhomepage:www.elsevier.com/locate/compositesbDispersionrelationsandmodesofwavepropagationininclusion-reinforcedcompositeplates1?Yu-ChengLiu,JinH.HuangDep
2、artmentofMechanicalandComputer-AidedEngineering,FengChiaUniversity,No.100WenhwaRd.,Seatwen,Taichung40724,Taiwan,ROCarticleinfoabstractArticlehistory:Thispaperisintendedtoexaminetheeffectofinclusionshapes,inclusioncontents,inclusionelasticcon-Received22M
3、arch2011stants,andplatethicknessonthedispersionrelationsandmodesofwavepropagationininclusion-rein-Receivedinrevisedform7December2011forcedcompositeplates.TheshapeofinclusionismodeledasspheroidthatenablesthecompositeAccepted2January2012reinforcementgeome
4、tricalcon?gurationsrangingfromspheretoshortandcontinuous?ber.Mori–Availableonline9January2012Tanakamean-?eldtheoryisusedtopredicttheeffectiveelasticmoduliofthecompositeplateexplicitly.Theeffectiveelasticmoduliareabletoelucidatetheeffectofinclusion’sshap
5、e,stiffness,andvolumefrac-Keywords:tiononthecomposite’sanisotropicelasticbehavior.TheresultingmoduliarethenusedtodeterminetheA.PlatesdispersionrelationsandthemodalpatternsofLambwavesusingthedynamicstiffnessmatrixmethod.A.3-DimensionalreinforcementC.Anal
6、yticalmodelingThetypes(symmetricorantisymmetric)ofLambwavesinanisotropicplatecanbeclassi?edaccordingWavepropagationtothewavemotionsaresymmetricalorantisymmetricaboutthemidplaneoftheplate.Classifyingthewavetypeinananisotropicplateisnotassimpleasthatinani
7、sotropicplate,andhasnotreceivedproperattentionintheliterature.Thewavetypesandordersareidenti?edbyanalyzingthedispersioncurvesandinspectingthecalculatedmodalpatterns,andtheresultsindicatethattheLambwavesinanortho-tropiccompositeplatecanalsobeclassi?edase
8、ithersymmetricorantisymmetricwaves.Itisalsofoundthattheinclusioncontents,aspectratiosandplatethicknessaffectpropagationvelocities,higher-ordermodecutofffrequencies,andmodalpatterns.Propagationspeedisgenerallyincreasedwiththeaspec
