简介:Thispaperinvestigatesthedamagedetectionbasedonthepropagationofguidedwaveinbimetalcompositepipes,whichcanidentifydamagelocationsinbothaxialandcircumferentialdirections.ThefeasibilityofthemethodisshowedbynumericalsimulationsusingFEMcodeANSYS.Modeanalysisisusedtoevaluatetheguidedwavemodeanditsstructure,whichcanprovidethebasisofthemodeselectioninmeasurementsscheme.Theguidedwavepropagationinadamagedpipeiscomputedbytransientanalysis.16...