弹丸超高速撞击防护屏碎片云数值模拟

张伟 庞宝君 贾斌 曲焱喆

张伟, 庞宝君, 贾斌, 曲焱喆. 弹丸超高速撞击防护屏碎片云数值模拟[J]. 高压物理学报, 2004, 18(1): 47-52 . doi: 10.11858/gywlxb.2004.01.009
引用本文: 张伟, 庞宝君, 贾斌, 曲焱喆. 弹丸超高速撞击防护屏碎片云数值模拟[J]. 高压物理学报, 2004, 18(1): 47-52 . doi: 10.11858/gywlxb.2004.01.009
ZHANG Wei, PANG Bao-Jun, JIA Bin, QU Yan-Zhe. Numerical Simulation of Debris Cloud Produced by Hypervelocity Impact of Projectile on Bumper[J]. Chinese Journal of High Pressure Physics, 2004, 18(1): 47-52 . doi: 10.11858/gywlxb.2004.01.009
Citation: ZHANG Wei, PANG Bao-Jun, JIA Bin, QU Yan-Zhe. Numerical Simulation of Debris Cloud Produced by Hypervelocity Impact of Projectile on Bumper[J]. Chinese Journal of High Pressure Physics, 2004, 18(1): 47-52 . doi: 10.11858/gywlxb.2004.01.009

弹丸超高速撞击防护屏碎片云数值模拟

doi: 10.11858/gywlxb.2004.01.009
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    通讯作者:

    张伟

Numerical Simulation of Debris Cloud Produced by Hypervelocity Impact of Projectile on Bumper

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    Corresponding author: ZHANG Wei
  • 摘要: 低地球轨道的各类航天器易受到微流星体及空间碎片的超高速撞击。这些撞击损伤航天器飞行的关键系统,进而导致航天器发生灾难性失效。为了保证航天员的安全及航天器的正常运行,微流星体及空间碎片防护结构设计是航天器设计的一个重要问题。采用AUTODYN软件进行了弹丸超高速正撞击及斜撞击防护屏所产生碎片云的SPH法数值模拟,给出了二维及三维模拟结果;研究了防护屏厚度、弹丸形状、撞击速度以及材料模型等对碎片云的影响。模拟结果同高质量实验研究的结果进行了比较,模拟的碎片云形状和碎片云特征点的速度同实验相吻合。验证了数值模拟方法的有效性。

     

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出版历程
  • 收稿日期:  2003-06-17
  • 修回日期:  2003-09-22
  • 发布日期:  2004-03-05

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