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Method of calculating the resistance force upon an impact on a composite target
Babakov, V
Abstract:
A kinematically possible velocity field allowing calculation of all the necessary integrals in quadratures and obtaining an analytical solution for the resistance force induced by impactor penetration into the target is constructed. The Saint-Venant model of a rigid-plastic body and the theorem on the upper bound of the limit load are used in solving the problem. The essence of the method applied is using the equilibrium equation in the form of the Lagrange equation. The kinematically possible velocity field allows obtaining an upper bound of the limit load, i.e., estimating the resistance force to impactor penetration.
Keywords:Kinematically possible velocity field; Impactor; Rigid-plastic body; Upper bound of the limit load; Composite target
Item Type:Journal Article
Date:2012
Language:English
Citation:Journal of Applied Mechanics and Technical Physics, vol.53(1), pp.113 - 117
Publisher:Pleiades Publishing, Ltd; AUT University
Rights Statement:Reproduction, placement, transfer or any other distribution or use of the Materials, or any parts (fragments) of the Materials contained therein, in any way permitted under this Agreement, shall be accompanied by reference to the Journal and mention of the Publisher, namely: the title of the article, the name of the Author (Co-authors), the name of the Journal, volume/number, copyright of the publisher (PLEIADES PUBLISHING, Ltd.) or other copyright holder indicated in the Journal in the year of its first publication.
