In this paper, an initial attempt has been made to analytically model what has been experimentally observed when ogival-nose penetrators were fired at high velocities (up to 1500 m/sec) into soil-type (particulate) materials. Although very little experimental data of this type is available, in several instances, penetrators recovered after tests of this type were conducted were severely deformed, exhibiting excessive bending in their shank regions. The result of this initial effort is an estimate for the velocity limit that avoids the growth of lateral disturbances that will ultimately fail the penetrator. In spite of the many approximations and assumptions that were made in the development of the theory, the results are very promising and offer a path to more sophisticated results.
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ASME/JSME 2004 Pressure Vessels and Piping Conference
July 25–29, 2004
San Diego, California, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4684-9
PROCEEDINGS PAPER
Dynamic Buckling and Instability in Soil and Sand Penetration
S. E. Jones,
S. E. Jones
University of Alabama, Tuscaloosa, AL
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M. L. Hughes,
M. L. Hughes
Auburn University, Auburn University, AL
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T. G. McCann,
T. G. McCann
Air Force Research Laboratory, Eglin AFB, FL
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K. M. Haydel
K. M. Haydel
Air Force Research Laboratory, Eglin AFB, FL
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S. E. Jones
University of Alabama, Tuscaloosa, AL
M. L. Hughes
Auburn University, Auburn University, AL
T. G. McCann
Air Force Research Laboratory, Eglin AFB, FL
K. M. Haydel
Air Force Research Laboratory, Eglin AFB, FL
Paper No:
PVP2004-3047, pp. 183-189; 7 pages
Published Online:
August 12, 2008
Citation
Jones, SE, Hughes, ML, McCann, TG, & Haydel, KM. "Dynamic Buckling and Instability in Soil and Sand Penetration." Proceedings of the ASME/JSME 2004 Pressure Vessels and Piping Conference. Problems Involving Thermal Hydraulics, Liquid Sloshing, and Extreme Loads on Structures. San Diego, California, USA. July 25–29, 2004. pp. 183-189. ASME. https://doi.org/10.1115/PVP2004-3047
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