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Stress waves in an isotropic elastic plate excited by a circular transducer

Author
Lee, S. S.
Published
Mar 1, 1985.
Physical Description
1 electronic document
Additional Creators
Williams, J. H., Jr. and Karagulle, H.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
Steady state harmonic stress waves in an isotropic elastic plate excited on one face by a circular transducer are analyzed theoretically. The transmitting transducer transforms an electrical voltage into a uniform normal stress at the top of the plate. To solve the boundary value problem, the radiation into a half-space is considered. The receiving transducer produces an electrical voltage proportional to the average spatially integrated normal stress over its face due to an incident wave. A numerical procedure is given to evaluate the frequency response at a receiving point due to a multiply reflected wave in the near field. Its stability and convergence are discussed. Parameterization plots which determine the particular wave whose frequency response has maximum magnitude compared with other multiple reflected waves are given for a range of values of dimensionless parameters. The effects of changes in the values of the parameters are discussed.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19850012080.
Accession ID: 85N20390.
NAS 1.26:3877.
NASA-CR-3877.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15705494