## An Investigation of Ground Shock Effects Due to Rayleigh Waves Generated by Sonic Booms, Volume 451 |

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accelerations closed form computed concentrated point load Consider a semi-infinite constant velocity direction of propagation displacement history due to moving due to sonic extremely narrow Figure B-l finite frequency ft at Mach function w(t given by Eq ground shock homogeneous and isotropic infinite displacements infinite peak infinite values infinities isotropic elastic half-space load is defined load moves load of length load passes opposite magnification effects magnification factors moving line load moving point load nondimensional function Nondimensional parameter opposite the point oscillator Pekeris solution PLAN VIEW range of values Rayleigh waves rectangular area relative maximum resonance respectively response semi-infinite homogeneous shock amplification factors shock effects shows results sonic boom effects space distribution parallel space distribution perpendicular speed stationary point load steady state problem structures Substituting Eq suitable integrations supersonic transport surface waves traveling line load unit intensity uz(t VELOCITY OF MOVING Vertical displacement due vertical displacement W(t vertical surface displacement