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炸药应力
相关语句
  explosive stress
     In this paper, basis of the method of finite element, the distribution curve of explosive stress are simulated when the base gap has existed.
     采用有限元的方法 ,动态地模拟了发射过程中底隙存在时 ,炸药应力的分布 ,给出了不同时刻、不同底隙厚度对底部装药应力分布的影响 ,以及炸药最大应力随底隙厚度变化的关系曲线 ,分析了发射过程中的安全阀值问题 .
短句来源
  “炸药应力”译为未确定词的双语例句
     THE CALCULATION AND ANALYSIS ON STRESS AND STRAIN DISTRIBUTIONS OF THE EXPLOSIVES INSIDE A HEAT UNDER FIRING CONDITIO NS
     某破甲弹发射过程中炸药应力应变分布的有限元计算分析
短句来源
     The stress and strain contours of the explosives are drawn. It is valuable to the estimation of explosive safety and the design of projectile.
     并绘制了炸药应力应变等值线,对炸药安全性估计和弹丸设计有一定参考价值。
短句来源
     The maximum principal stress thickness of base gap curve and stress time curves has given.
     研究结果表明 ,在底隙对炸药应力的影响中 ,气隙厚度是主要因素 .
短句来源
  相似匹配句对
     Study of Measuring Methods of Residual Stress in Polymer Bonded Explosives
     塑料粘结炸药残余应力测试方法研究
短句来源
     stress concentration;
     应力集中;
短句来源
     Stress Chemistry
     应力化学
短句来源
     Emulsified Explosives
     乳化炸药
短句来源
     STUDY ON DETERMINING TENSILE STRESS STRAIN CURVES OF HIGH EXPLOSIVES
     高能炸药拉伸应力-应变曲线测定方法的研究
短句来源
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  explosive stress
The damage is initiated on a damage front that propagates outward behind the explosive stress wave with a velocity intermediate between that of P and S waves.
      


in this paper,the stress and strain distributions of the explosives inside a HEAT under firing conditions are calculated by rneans of FEM,using a more reasonalbe model to simulate the interaction between the explosives and the projectile wall.The stress and strain contours of the explosives are drawn.It is valuable to the estimation of explosive safety and the design of projectile.

采用有限元法计算了某破甲弹发射时其内部炸药的应力应变分布,计算时选择了更为合理的计算模型以模拟弹壁与炸药间的相互作用。并绘制了炸药应力应变等值线,对炸药安全性估计和弹丸设计有一定参考价值。

In this paper, basis of the method of finite element, the distribution curve of explosive stress are simulated when the base gap has existed. The maximum principal stress thickness of base gap curve and stress time curves has given. It is proved from simulation that the base gap has obvious effect on stress of explosive and arrives a same conclusion with the military standard.

采用有限元的方法 ,动态地模拟了发射过程中底隙存在时 ,炸药应力的分布 ,给出了不同时刻、不同底隙厚度对底部装药应力分布的影响 ,以及炸药最大应力随底隙厚度变化的关系曲线 ,分析了发射过程中的安全阀值问题 .研究结果表明 ,在底隙对炸药应力的影响中 ,气隙厚度是主要因素 .该结论对制订有关底隙厚度的军用标准具有指导意义

Stress-strain features in the course of charge were analyzed to study the effect of residual stress on the application safety of frag-demolition shell(FDS).Hypothesizing that the stress distributions don′t refer to stress-strain history of explosive in pressing process,the stress in the condition of steady load for charge of projectile body is analyzed and calculated by two methods: one is that the whole projectile body is divided into smaller lattices to solve,the other one is that the whole projectile body...

Stress-strain features in the course of charge were analyzed to study the effect of residual stress on the application safety of frag-demolition shell(FDS).Hypothesizing that the stress distributions don′t refer to stress-strain history of explosive in pressing process,the stress in the condition of steady load for charge of projectile body is analyzed and calculated by two methods: one is that the whole projectile body is divided into smaller lattices to solve,the other one is that the whole projectile body is divided into smaller lattices firstly,and then local lattices are bridged according to the need for solving.The comparison shows that there is no marked difference between two calculated results.Numerical results reveal that stress distribution of the charge body concentrates on the bottom of diffusion pore.The maximum stress is 1.907×10~(-3)MPa and the yield limit of briquetting explosive pillar in the same density of pressing explosive is 8.67MPa.There is apparent difference between the two.The maximum distortion in locality results from action of stress is 2.71×10~(-9)m.The distortion can recovery.

为研究装药弹体残余应力对杀爆弹使用安全性的影响,分析了装药过程的应力-应变特征。假设药柱的应力分布不涉及压制过程炸药的应力-应变历史,采用两种方法对装药弹体在静载荷下的应力进行分析计算,一种是将整个弹体划分成较小的网格进行求解,另一种是先对整个弹体进行网格划分,然后根据求解的需要对局部网格进行加密。两种计算结果相差不大,应力主要集中在扩爆孔底部,最大为1.907×1-0 3M Pa,与同等压药密度成型药柱的屈服极限8.67 M Pa相差甚远。在应力作用下,局部所产生的最大变形为2.71×1-0 9m,可以恢复。

 
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