Abstract
In an infinite elastic medium dilatational waves exhibit much more nonlinear distortion than do shear waves, but such behavior cannot be assumed when a boundary, such as a free surface, is present. Because of the process of mode conversion, a dilatational (P) wave that has already undergone significant distortion prior to its incidence at the boundary must impart its distortion to both the reflected P and vertically polarized shear (SV) wave. The problem of oblique incidence at a free surface was previously considered by us [1,2]. The present paper generalizes that analysis by permitting the boundary conditions at the planar interface to be arbitrary, and also by considering critical and supercritical angles of incidence.
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References
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© 1991 Plenum Press, New York
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Ginsberg, J.H., Shu, KT. (1991). The Role of Nonlinearities in Propagation, Reflection, and Transmission of Stress Waves and Possible Applications to NDE. In: Thompson, D.O., Chimenti, D.E. (eds) Review of Progress in Quantitative Nondestructive Evaluation. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3742-7_90
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DOI: https://doi.org/10.1007/978-1-4615-3742-7_90
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