Abstract
The diffraction of a plane elastic compressional wave by a semi-infinite rectangular stress-free boundary of finite width is investigated using the method of matched-asymptotics. The outer problems are solved in terms of Wiener-Hopf functions while the inner problems by the Kolosov-Muskhelishvili complex potentials. The two are matched to derive the stress behavior away from the edge of the strip. Numerical results are presented for various angles of incidence of the plane wave.
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