Title: Group velocity of cylindrical guided waves in anisotropic laminate composites
Authors: Glushkov, Evgeny
Glushkova, Natalia
Eremin, Artem 
Lammering, Rolf  
Language: en
Subject (DDC): DDC - Dewey Decimal Classification::600 Technik::620 Ingenieurwissenschaften
Issue Date: Jan-2014
Document Type: Article
Journal / Series / Working Paper (HSU): The Journal of the Acoustical Society of America 
An explicit expression for the group velocity of wave packets, propagating in a laminate anisotropic composite plate in prescribed directions, is proposed. It is based on the cylindrical guided wave asymptotics derived from the path integral representation for wave fields generated in the composites by given localized sources. The expression derived is theoretically confirmed by the comparison with a known representation for the group velocity vector of a plane guided wave. Then it is experimentally validated against laser vibrometer measurements of guided wave packets generated by a piezoelectric wafer active sensor in a composite plate.
Organization Units (connected with the publication): Mechanik 
ISSN: 00014966
DOI: 10.1121/1.4829534
Appears in Collections:Publications of the HSU Researchers

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