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Shock and Vibration - Volume 2015 2015, Article ID 265321, 15 pages -

Review Article

State Key Laboratory for Disaster Prevention & Mitigation of Explosion & Impact, PLA University of Science and Technology, Nanjing 210007, China

Beijing Canbao Architecture Design Institute, Beijing 100036, China

The Fifth Department, 145 Erqi Road, Wuhan 430012, China

Received 3 November 2014; Revised 2 February 2015; Accepted 5 February 2015

Academic Editor: Mohammad Elahinia

Copyright © 2015 Yunhou Sun et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

With the hypervelocity kinetic weapon and hypersonic cruise missiles research projects being carried out, the damage mechanism for high-velocity-hypervelocity projectile impact on semi-infinite targets has become the research keystone in impact dynamics. Theoretical research progress in high-velocity-hypervelocity impact on semi-infinite targets was reviewed in this paper. The evaluation methods for critical velocity of high-velocity and hypervelocity impact were summarized. The crater shape, crater scaling laws and empirical formulae, and simplified analysis models of crater parameters for spherical projectiles impact on semi-infinite targets were reviewed, so were the long rod penetration state differentiation, penetration depth calculation models for the semifluid, and deformed long rod projectiles. Finally, some research proposals were given for further study.





Autor: Yunhou Sun, Cuncheng Shi, Zheng Liu, and Desheng Wen

Fuente: https://www.hindawi.com/



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