Modified Charters Model for Single Wall Perforation

机译：单壁穿孔的修改章程模型

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摘要

A simple perforation prediction model which describes the size of the hole created in a thin metallic plate is presented and compared to hypervelocity impact experiments. The new mechanics model is based on the 1959 Charters model, but takes into account the initial compressive wave on impact by replacing the characteristic deformation stress with the Hugoniot elastic limit. The model predictions are compared to experiments performed with tantalum and steel spherical projectiles impacting steel targets at 1 to 3 km/s using a unique two-stage light-gas gun facility. A statistically significant improvement in the energy-based modified Charters model is shown over the original, with particular improvement when target and projectile are of different materials.

机译：提出了一种简单的穿孔预测模型，其描述了在薄金属板中产生的孔的尺寸的尺寸，并与超细的影响实验进行比较。新的力学模型基于1959年镶边模型，但通过用Hugoniot弹性极限取代特征变形应力，考虑了初始压缩波的影响。使用独特的两级轻气枪设施将模型预测与用钽和钢球形射弹，用钽和钢球形射击液冲击钢靶的实验进行比较。在原始的基于能量的修改的章节模型中的统计学上显着的改进，当目标和射弹具有不同材料时特别改善。

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来源
《Hypervelocity Impact Symposium》|2012年||共9页
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作者
L. Lamberson; A. J. Rosakis;
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中图分类 O313.4-53;
关键词
Impact; Ballistic limit; Shielding; Hugoniot;

机译：影响;弹道极限;屏蔽;hugoniot;

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机译：单壁射孔的修正宪章模型

Modified Charters Model for Single Wall Perforation

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