An improved proof is given of Stroh's result that the secular equation for unattenuated Rayleigh waves travelling on a free surface of an anisotropic elastic halfspace can always be reduced to one purely real equation. In addition it is shown that surface waves are impossible on a fixed boundary.
E. DieulesaintD. RoyerJ. F. BarbotJ. C. Thuillier
Anthony J. C. LaddWilliam G. Hoover