在这个计算中,采用了流体——弹塑性变模量模型,使用了拉格朗日坐标有限差分方法和人造粘性,获得了冲击波、空腔和波形参数,并分析了这些参数。
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.
采用模型试验和三维数值模拟,对侧墙掺气坎空腔长度的影响因素进行了探讨。
Based on model of experiment and numerical simulation, the factors influencing the length of air cavity are analyzed in this paper.
通过该理论模型,可以对瞬时空腔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.
针对串联随进战斗部中弹丸对预开孔靶的侵彻性能,基于经典的空腔膨胀理论解析模型,建立修正的空腔膨胀理论模型,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.
文中介绍了动光弹模型试验设计参数,通过对试验中条纹级数与比例距离曲线的对比分析,得出了合理的孔底空腔能有效地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 …
起旋室通气井通风系由旋流洞内表面轴向水流“挟带”空气而致空腔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.
起旋室通气井通风系由旋流洞内表面轴向水流“挟带”空气而致空腔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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