Normal impact of ogive nosed projectiles on thin plates |
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| Affiliation: | 1. Department of Applied Mechanics, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110 016, India;2. Department of Mechanical Engineering, Aligarh Muslim University, Aligarh 202 002, India;1. School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China;2. Shaanxi Key Laboratory of Impact Dynamics and Engineering Application(IDEA), Northwestern Polytechnical University, Xi’an 710072, China;3. Fundamental Science on Aircraft Structural Mechanics and Strength Laboratory, Northwestern Polytechnical University, Xi’an 710072, China;1. Department of Continuum Mechanics and Structural Analysis. University Carlos III of Madrid. Avda. de la Universidad 30, 28911 Leganés, Madrid, Spain;2. CEMMPRE, Department of Mechanical Engineering, University of Coimbra, Portugal;3. C-MAST, Department of Electromechanical Engineering, University of Beira Interior, Covilhã, Portugal |
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| Abstract: | Single plates of aluminium of various thicknesses were subjected to normal impact by ogive nosed projectiles at velocities normally greater than their ballistic limit. The observed values of the residual velocity and ballistic limit are presented and influence thereon of various parameters is discussed. Based on the mechanism of deformation observed and the data of residual and incident velocities, analytical and empirical relations have respectively been developed for the determination of both residual velocity and ballistic limit. These relations are seen to match the experiments well. |
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