Calculations of the Blast and Close-In Elastic Response of the Cavity Explosions in the Cowboy Program.

by Harold L. Brode, Blaine Raphael Parkin


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A comparison of theoretical calculations of wall pressures and elastic wave radiations from high-explosive detonations in spherical cavities in salt with close-in experimental results from the Cowboy Program. Spherical charges of Pelletol ranging from 20 to 2000 pounds (9 to 900 kg) were detonated in spherical cavities 12 and 30 feet in diameter (3.66 and 9.14 meters). The elastic wave and the wall pressure results were found to be sensitive to the explosive detonation details. New ways are suggested for correlating such quantities as explosive and radiated energies, peak values of particle displacement, velocity, acceleration, and radial stress. This correlation procedure can be useful in scaling peak particle velocities from cavity or uncoupled explosions, and is demonstrated for the Cowboy results.

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