Reflection of Bounded Acoustic Beams from a Layered Solid
It is well known that when a bounded beam of acoustic waves is incident on a fluid-solid interface at certain critical angles, the reflected beam is significantly distorted and displaced due to the interference between specularly and nonspecularly reflected waves. Measurement and analysis of the reflected field can be used to estimate certain near surface elastic properties of the solid by means of several alternative nondestructive experimental arrangements [1,2]. In most of these experiments the interface generated leaky waves play a significant role. Thus a good understanding of the interface phenomena is a prerequisite to the design of experiments for their practical applications.
KeywordsPhase Velocity Rayleigh Wave Fundamental Mode Lamb Wave Dispersion Function
Unable to display preview. Download preview PDF.
- 1.Y. Bar-Cohen and D. E. Chimenti, Review of Progress in Quantitative NDE, 3B, 1043 (1984).Google Scholar
- 2.R. D. Weglein, R. F. Wilson and S. D. Benson, Review of Progress in Quantitative NDE, 4A, 271 (1985).Google Scholar
- 3.H. L. Bartoni and T. Tamir, Applied Physics, 2, 157 (1973). 4. A. H. Nayfeh, D. E. Chimenti, L. Adler and R. L. Crane, J. Appl. Phys., 52, 4985 (1981).Google Scholar
- 4.A. H. Nayfeh, D. E. Chimenti, L. Adler and R. L. Crane, J. Appl. Phys., 52, 4985 (1981)Google Scholar
- 7.T. Kundu and A. K. Mal, Int. J. Engr. Sc. (in press).Google Scholar
- 8.K. Aki and P. G. Richards, Quantitative Seismology, Theory and Methods, Freeman, San Francisco (1980).Google Scholar