Research Article
Apr 1978
Penetration of Projectile into Terrestrial Target
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VIEW THE REPLYAuthors: Ching H. Yew and Pete P. StirbisAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 104, Issue 2
Abstract
A model is developed for describing the phenomena of vertical penetration of a projectile into terrestrial targets. The penetration depth, the dynamic pressure exerted on the penetrator as well as the disturbed material zone predicted by this model compare favorably with the field observation. An exact analysis of the penetration problem with the theory of plasticity would be extremely difficult since the deformation of the target material is large; and the inertia effort of both the soil and the penetrator must be taken into consideration. Furthermore, since the deformation is large and localized, numerical analysis of this problem with a finite difference code (2D) or a finite element code requires repeated rezoning; it is an expensive computational process.
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Published In
Journal of the Engineering Mechanics Division
Volume 104 • Issue 2 • April 1978
Pages: 273 - 286
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Apr 1978
Published online: Feb 3, 2021
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Authors
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Ching H. Yew
Assoc. Prof., Dept. of Aerospace Engrg. and Engrg. Mechanics, Univ. of Texas, Austin, Tex.
Pete P. Stirbis
Member, Technical Staff, Division of Applied Mechanics, Sandia Labs., Albuquerque, N.M.
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