水下爆炸

shuǐ xià bào zhà
  • Underwater explosion;submarine blasting
水下爆炸水下爆炸
  1. 简单Green函数法模拟三维水下爆炸气泡运动

    Simulation of the motion of three-dimensional underwater explosion bubble using simple green function method

  2. 模拟二维水下爆炸问题的光滑粒子(SPH)方法

    SPH simulation of two-dimensional underwater explosion

  3. 但与TNT相比,固体云爆剂在水下爆炸方面还存在性能优势。

    But compared with TNT , solid FAE has been obtained in the field of underwater explosion properties advantage .

  4. 最后,本文应用多物质耦合有限元法,模拟对比了SPS水下爆炸实验,验证了SPS的抗爆性能。

    Finally , the multi-material coupled finite element method is used to simulate the UNDEX experiment of SPS to validate its blast-resistance .

  5. 编写的一维ALE动力学程序计算分析了水下爆炸过程,气泡脉动计算结果与实际过程非常吻合。

    One-dimension ALE dynamics program calculations of underwater explosion indicate that the calculations of bubble-oscillation satisfy the requirements the real physical process .

  6. 数值算例结果显示,SPH方法经过一些适当的调整后在模拟水下爆炸早期的物理现象(如冲击)时非常有效。

    The results of numerical simulation show that the adjusted SPH method is much available to simulate the early phenomenon of underwater explosion .

  7. 改善GRP结构的抗爆强度并预报其在水下爆炸作用下的动响应变得十分重要。

    So it is very important to improve the strength and to predict the motion of GRP ship structures to the loading of underwater explosion .

  8. 它对水下爆炸压力测量的相关技术进行了比较细致的研究,具体研究了传感器技术,时域和频域采样技术,数据采集技术,无线数据传输和FSK调制解调技术等。

    It studies the key technologies about the subaqueous explosion pressure measuring . Such as sensor technology , time-domain sampling and frequency-domain sampling technologies , wireless data transfer technology . FSK .

  9. 通过极限起爆药量、5s爆发点实验、撞击感度实验、铅板穿孔实验和水下爆炸能量测试实验测试了该DP微起爆药的起爆性能。

    The initiation performance of minimized primary explosive is measured by limit dosage of primary explosive test , 5 second delay time test , impact sensitivity test , lead plate perforation test and underwater explosion energy test in experiment .

  10. 首先研究了冲击载荷的处理方法,模拟了水下爆炸冲击波,并用Newmark算法对冲击载荷进行了处理,编制出计算程序;

    First , the method for handling shock load is studied , and the explosion shock wave is simulated . Then , the Newmark algorithm is used to handle the shock wave , and a program is formed .

  11. 利用水下爆炸的光学可见,在浅水水体外将CCD高速摄像机实拍和图像处理技术引入了气泡脉动参数的测试研究,得到了0.3gDDNP装药的气泡半径随时间变化轨迹和脉动周期。

    The shoot of high speed video camera and the technology of image manipulation are applied to test and study bubble pulsation parameters according to the optical visibility of underwater blasting . The track of bubble diameter changing with time and the pulsation period of 0.3g DDNP charge are obtained .

  12. 本学位论文的工作主要是运用AUTODYN、ABAQUS和LS-DYNA这三个通用程序,研究水下爆炸及其对平板、圆柱壳和鱼雷壳体结构的作用。

    Underwater explosion and its effect on structures including flat plate , cylindrical shell and torpedo shell were studied in this dissertation by using commercial software AUTODYN , ABAQUS and LS-DYNA .

  13. 水下爆炸冲击波测试系统的设计与实现

    Design of Test System of Shock Wave Generated by Underwater Explosions

  14. 水下爆炸脉动载荷对连续玄武岩纤维复合材料船体结构的影响

    Effect of underwater explosion bubble pulse on CBF materials ship structure

  15. 双层壳体对水下爆炸作用的影响研究

    Influence of double hull structure on the effects of underwater explosion

  16. 水下爆炸气泡脉动特性的试验研究

    Experimental study of characters of bubble impulsion induced by underwater explosions

  17. 基于无线数据传输的水下爆炸压力遥测系统

    The Subaqueous Explosion Pressure Remote Measuring System Based on Wireless Data-Transfer

  18. 水下爆炸的数值模拟研究现状

    Summary of present research situation of numerical simulation on underwater explosion

  19. 近自由水面水下爆炸时水中激波特性

    Water shock wave characteristics of underwater explosion near the water surface

  20. 水下爆炸载荷下舰船舷侧防护结构可靠性分析

    Reliability analysis of broadside defensive structure subjected to underwater explosion

  21. 水下爆炸爆心坐标计算方法

    Computing Method of Undersea Explosion Center Coordinate No-Hair Day Feels grateful heart

  22. 复合材料舰船典型舱段在水下爆炸载荷下的动力响应

    Dynamic response of a floating composite ship section subjected to underwater blast

  23. 圆柱壳承受水下爆炸作用时的动响应

    The Dynamic Responses of the Cylindrical shell Under Underwater Explosion

  24. 水下爆炸冲击波数值模拟中的参数影响

    Effect of parameters in numerical simulation of underwater shock wave

  25. 水下爆炸冲击载荷下激光焊接夹层板动态响应分析

    Dynamic response of laser-welded metallic sandwich panels subjected to underwater explosive loads

  26. 流场网格划分对水下爆炸结构响应的影响

    Influence of fluid gridding on structural response of underwater explosion

  27. 水下爆炸对板壳结构破坏机理研究

    The Destroy Mechanism Study of Plate Structure by Underwater Explosion

  28. 水下爆炸中自由场压力和船体壁压的测量与分析

    Measurement and analysis of free-field pressure and ship hull pressure underwater explosion

  29. 舰船水下爆炸冲击波载荷作用下动力响应研究

    Study on Dynamic Response of Ship Structure under Underwater Explosive Impact Loading

  30. 水下爆炸中舰艇弹药舱冲击安全研究

    Research on Shock Security of Ammunition of Naval Vessels in Underwater Explosion