Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
779532 | International Journal of Impact Engineering | 2008 | 10 Pages |
Abstract
A unified strength criterion is applied for penetration analysis of geo-materials. Based on the cylindrical cavity-expansion theory the relation between the radial traction on the cavity surface and the impact velocity of a rigid projectile is derived. The finial penetration depth of the projectile is analytically obtained and the effect of strength criterion on the penetration depth is investigated. By comparing with existing test results, it is found that the proposed penetration model is effective in the analysis of a rigid projectile penetrating into a semi-infinite geo-material target.
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Physical Sciences and Engineering
Engineering
Mechanical Engineering
Authors
Jianchun Li, Guowei Ma, Maohong Yu,