SCATTERING FAR FIELD SOLUTION OF SH-WAVE BY MOVABLE RIGID CYLINDRICAL INTERFACE INCLUSION

(整期优先)网络出版时间:2002-03-13
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TheGreen’sfunctionisusedtosolvethescatteringfarfieldsolutionofSH-wavebyamov-ablerigidcylindricalinterfaceinclusioninalinearelasticbody.First,asuitableGreen’sfunctionisdevel-oped,whichisthefundamentaldisplacementsolutionofanelastichalfspacewithamovablerigidhalf-cylin-dricalinclusionimpactedbyout-of-planeharmoniclinesourceloadedatanypointofitshorizontalsurface.ByusingtheGreen’sfunction,aseriesofFredholmintegralequationsofthefirstkindwhichdeterminethescatteringfarfieldcanbesetup.Thenthepapergivestheexpressionsonthefarfieldincludingthedisplace-mentmodeofscatteringwaveandthesolutionofscatteringcross-section.Finally,someexamplesandnu-mericalresultsarediscussedtoanalyzetheinfluenceofthecombinationofdifferentmediaparametersontheansweroffarfield.