• 这个计算中,采用了流体——弹塑性变模量模型使用拉格朗日坐标有限差分方法人造粘性,获得了冲击波空腔波形参数分析了这些参数

    In this computation a fluid-elastic plastic model and a finite difference method of Lagrange coordinate are used The parameters of shock, cavity and waveform are obtained and analysed.

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  • 采用模型试验三维数值模拟侧墙掺空腔长度影响因素进行探讨

    Based on model of experiment and numerical simulation, the factors influencing the length of air cavity are analyzed in this paper.

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  • 通过理论模型可以对瞬进行定量的理论分析和研究。

    The model can be applied in the quantitative analysis of a temporary cavity.

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  • 针对串联随战斗部中弹丸对预开孔侵彻性能基于经典膨胀理论解析模型建立修正空腔膨胀理论模型,对不同尺寸预开靶孔的弹丸随进性能进行了分析。

    An analytical model for the penetration of a following kinetic energy projectile into concrete targets with pre-drilled cavities is developed based on a modification of cavity expansion theory.

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  • 文中介绍模型试验设计参数,通过试验条纹级数比例距离曲线的对比分析,得出了合理的孔底空腔能有效降低爆炸峰值压力和有利于保护建基面的结论。

    In the paper, the design parameter of the dynamic photo-elasticity test model was described. In the test, the stress diffusion was explored and recorded really-time. According to the data from

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  • 室通气井通风表面轴向水流“挟带”而致内气体压强减小进入,模型存在缩尺效应

    Ventilation of starting rotation device ventilation pipe is from Axial flow of swirl hole inner surface takes air leads to vacuum cavity, model existence of scale effect.

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  • 室通气井通风表面轴向水流“挟带”而致内气体压强减小进入,模型存在缩尺效应

    Ventilation of starting rotation device ventilation pipe is from Axial flow of swirl hole inner surface takes air leads to vacuum cavity, model existence of scale effect.

    youdao

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