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Record #112854:

Simple model of shock-wave attenuation in snow / Jerome B. Johnson.

Title: Simple model of shock-wave attenuation in snow / Jerome B. Johnson.
Author(s): Johnson, Jerome B.
Date: 1991.
In: Journal of Glaciology. (1991.), Vol. 37(127) (1991)
Abstract: Describes use of model to show influence of pressure impulse (integral of pressure over time interval during which pressure acts) and its geometry on shock-wave pressure attenuation, in addition to effects caused by mechanical behaviour of snow. Effects of shock-wave geometry are accounted for by calculating attenuation of plane, cylindrical and spherical shock waves in snow. Effects of shock-wave duration and initial pressure amplitude are analyzed by applying variable pressure-time profile shock impulse to snow and calculating pressure as function of shock-wave propagation distance.
Notes:

Journal of Glaciology. Vol. 37(127) :303-312 (1991).

Keywords: 551.578.46 -- Snow cover and snow patches.
534.2 -- Acoustics in ice.
E10 -- Glaciology: snow and avalanches.
SPRI record no.: 112854

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520 3# ‡aDescribes use of model to show influence of pressure impulse (integral of pressure over time interval during which pressure acts) and its geometry on shock-wave pressure attenuation, in addition to effects caused by mechanical behaviour of snow. Effects of shock-wave geometry are accounted for by calculating attenuation of plane, cylindrical and spherical shock waves in snow. Effects of shock-wave duration and initial pressure amplitude are analyzed by applying variable pressure-time profile shock impulse to snow and calculating pressure as function of shock-wave propagation distance.
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