水下爆炸
- Underwater explosion;submarine blasting
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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
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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
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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
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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
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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
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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
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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
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水下爆炸的数值模拟研究现状
Summary of present research situation of numerical simulation on underwater explosion
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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