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颗粒体侵彻数值计算方法研究

DOI: 10.11858/gywlxb.2010.01.004, PP. 21-25

Keywords: 侵彻,颗粒材料,软回收,离散元,有限元

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Abstract:

分别采用连续体有限元方法、离散元方法、离散颗粒有限元方法和有限元-离散元混合方法,对钢球以100m/s和200m/s的速度侵彻细沙石回收靶过程进行了数值计算,通过对4种方法的计算精度和计算效率的比较分析,表明有限元-离散元方法更适合于颗粒材料侵彻问题的数值计算。

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