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Detonation loading of tubes in the modified shear wave speed regime

Chao, T. and Shepherd, J. E. (2005) Detonation loading of tubes in the modified shear wave speed regime. In: Shock Waves. Springer , Berlin, pp. 865-870. ISBN 978-3-540-22497-6.

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We performed experiments and numerical simulations on a thin-wall aluminum tube with internal gaseous detonation loading in the modified shear wave speed regime. Strain gauges were used to determine the time-dependent hoop strain on the surface of the tube. The experimental results were compared with analytical models and numerical simulations with explicit finite element computation treating the detonation as a traveling load. Hoop strain amplification factors (defined as the ratio of the dynamic strain to the equivalent static strain) close to two were obtained both in the present experiments and simulations. No resonance phenomena in the hoop strain were found in either experiments or simulations. Computations reveal the existence of a resonance in the shear strain.

Item Type:Book Section
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Shepherd, J. E.0000-0003-3181-9310
Additional Information:© 2005 Tsinghua University Press and Springer-Verlag Berlin Heidelberg. We thank Prof. W. G. Knauss and Prof. G. Ravichandran for their advice and technical assistance in this project. This work was supported by the Center for Simulation of Dynamic Response of Materials at Caltech, sponsored by the US Department of Energy.
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Department of Energy (DOE)UNSPECIFIED
Subject Keywords:Wave Speed; Detonation Wave; Transverse Shear; Critical Speed; Detonation Front
Record Number:CaltechAUTHORS:20200610-075535582
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:103809
Deposited By: Tony Diaz
Deposited On:10 Jun 2020 16:30
Last Modified:10 Jun 2020 16:30

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