Summary
Elastic waves coupled to atmospheric compressional waves radiated from a supersonic moving point source are considered. The point source has the form.
describing a conic shock wave whose vertex is moving uniformly with a velocity δ, δ=v/cosα>v. An exact expression is derived for the motion of an elastic half-space excited by the moving point source in an overlying fluid half-space.
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Ungar, A., Alterman, Z. Waves in an elastic medium generated by a point source moving in an overlying fluid medium. PAGEOPH 110, 1932–1938 (1973). https://doi.org/10.1007/BF00876556
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DOI: https://doi.org/10.1007/BF00876556