Title: Investigation on piezoelectrically induced Lamb wave generation and propagation
Authors: Ende, Sven von 
Lammering, Rolf  
Language: en
Subject (DDC): Ingenieurwissenschaften
Issue Date: 2007
Document Type: Article
Journal / Series / Working Paper (HSU): Smart materials and structures 
Volume: 16
Issue: 5
Page Start: 1802
Page End: 1809
Abstract: 
An analytical solution for transient Lamb wave generation with piezoelectric wafers is presented. The time harmonic problem is solved in the wavenumber domain after Fourier transformation and subsequent inverse transformation by the residue theorem. To evaluate the solution for transient loading the Fourier transform is used again, this time with respect to the time variable. A standard numerical algorithm is utilized to evaluate the necessary integrals as well as the discrete Fourier transform. The solution is valid for the whole waveguide continuum and satisfies the underlying partial differential equations as well as the transient boundary conditions. A numerical example shows that the analytical solution coincides with the finite element result of the problem. The results of the analytical model are also confirmed by experimental investigations.
Organization Units (connected with the publication): Mechanik 
ISSN: 1361-665X
DOI: 10.1088/0964-1726/16/5/035
Rights: 4.0 deutsch
Appears in Collections:Publications of the HSU Researchers

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