Shock wave structuring viscosity: Nuclear ground shock and granular solid shock compaction

The viscosity responsible for finite risetime structure of shock waves in solid matter is unique. Experimental shock wave measurements from two markedly different sources are pursued for the purpose of exploring the causes of solid matter shock viscosity. They are nuclear ground shocks in rock media...

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Bibliographic Details
Main Authors: Grady, D. E., Vogler, T. J.
Format: Conference Proceeding
Language:English
Subjects:
Dynamic structural analysis
Equations of state
Granular materials
Ground shock
Hugoniot curves
Nonlinear dynamics
Shock waves
Viscosity
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Summary:The viscosity responsible for finite risetime structure of shock waves in solid matter is unique. Experimental shock wave measurements from two markedly different sources are pursued for the purpose of exploring the causes of solid matter shock viscosity. They are nuclear ground shocks in rock media and compaction shocks in granular material. The principle experimental data addressed are attenuating unsteady shock waves. Methods for the analysis of unsteady shock waves for the purpose of extracting shock Hugoniot properties and the solid matter viscosity are described and applied. Shock equation of state and wave structuring viscosity are assessed for the respective geologic and granular matter. In closure, some universal features of the solid matter viscosity are considered including similarities in the solid material shock wave and the nonlinear dynamics of ocean waves.
ISSN:0094-243X
1551-7616
DOI:10.1063/12.0032371