2008 Vol. 28, No. 1
Display Method:
2008, 28(1): 1-9.
doi: 10.11883/1001-1455(2008)01-0001-09
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Abstract:
An advanced earth penetrating weapon (EPW) penetrates targets at higher velocity and achieves much deeper depth of penetration compared with a common EPW. The present paper introduces the experimental method of high-speed impact fired by artillery an...
An advanced earth penetrating weapon (EPW) penetrates targets at higher velocity and achieves much deeper depth of penetration compared with a common EPW. The present paper introduces the experimental method of high-speed impact fired by artillery an...
2008, 28(1): 10-16.
doi: 10.11883/1001-1455(2008)01-0010-07
Abstract:
On the non-powder two-stage light gas gun facilities, high-velocity impact experiments were carried out to analyze the effects of bumper lateral size on the damage to Whipple shield and explore the feasibility of using bumper whose size is smaller th...
On the non-powder two-stage light gas gun facilities, high-velocity impact experiments were carried out to analyze the effects of bumper lateral size on the damage to Whipple shield and explore the feasibility of using bumper whose size is smaller th...
2008, 28(1): 17-22.
doi: 10.11883/1001-1455(2008)01-0017-06
Abstract:
The characteristic of shaped charge with jetting projectiles formed by two types of liner structure and their penetration capability to concrete were studied by X-ray flash radiographs and penetration effect test. The penetration parameters of differ...
The characteristic of shaped charge with jetting projectiles formed by two types of liner structure and their penetration capability to concrete were studied by X-ray flash radiographs and penetration effect test. The penetration parameters of differ...
2008, 28(1): 23-27.
doi: 10.11883/1001-1455(2008)01-0023-05
Abstract:
对自行研制的电磁加速等离子体喷涂技术（Electromagnetically accelerated plasma spraying,EMAPS）从原理上进行了分析，建立了等离子体的运动方程，得到了脉冲电流作用下等离子体上任一点的磁感应强度的计算公式和等离子体及它所压缩周围空气的速度表达式；并分析了粉末粒子与冲击波的相互作用，得到了粉末粒子的喷涂速度与喷枪长度、粉末粒子直径以及电流强度之间的关系；同时还对喷枪的长度进行了设计。
对自行研制的电磁加速等离子体喷涂技术（Electromagnetically accelerated plasma spraying,EMAPS）从原理上进行了分析，建立了等离子体的运动方程，得到了脉冲电流作用下等离子体上任一点的磁感应强度的计算公式和等离子体及它所压缩周围空气的速度表达式；并分析了粉末粒子与冲击波的相互作用，得到了粉末粒子的喷涂速度与喷枪长度、粉末粒子直径以及电流强度之间的关系；同时还对喷枪的长度进行了设计。
2008, 28(1): 28-31.
doi: 10.11883/1001-1455(2008)01-0028-05
Abstract:
An exploding foil initiator was designed. The question of the velocity measurement of small-size flyer was effectively solved by adopting the measures as follows: (1) accurately control the orientation of bridge foil, flyer and barrel; (2) put a thin...
An exploding foil initiator was designed. The question of the velocity measurement of small-size flyer was effectively solved by adopting the measures as follows: (1) accurately control the orientation of bridge foil, flyer and barrel; (2) put a thin...
2008, 28(1): 33-37.
doi: 10.11883/1001-1455(2008)01-0033-05
Abstract:
The modified dynamic damage model for modeling penetration into concrete or reinforced concrete was implemented into the three-dimensional transient dynamic explicit finite element code LS-DYNA with the user-defined material function. The model inclu...
The modified dynamic damage model for modeling penetration into concrete or reinforced concrete was implemented into the three-dimensional transient dynamic explicit finite element code LS-DYNA with the user-defined material function. The model inclu...
2008, 28(1): 38-41.
doi: 1.011883/1001-1455(2008)01-0038-06
Abstract:
A new reaction rate function model was developed to represent explosive initiation process based on Kim elastic-plastic pore collapse hot spot reaction model by analyzing explosive reaction rate function models. Parameters of the developed reaction r...
A new reaction rate function model was developed to represent explosive initiation process based on Kim elastic-plastic pore collapse hot spot reaction model by analyzing explosive reaction rate function models. Parameters of the developed reaction r...
2008, 28(1): 44-49.
doi: 10.11883/1001-1455(2008)01-0044-06
Abstract:
A theoretical model of 3D transient heat conduction in a multilayer cylinder irradiated by high power laser was developed in which the action of air flow around the exterior surface and the compatibilities of both temperature and heat transfer at the...
A theoretical model of 3D transient heat conduction in a multilayer cylinder irradiated by high power laser was developed in which the action of air flow around the exterior surface and the compatibilities of both temperature and heat transfer at the...
2008, 28(1): 50-56.
doi: 10.11883/1001-1455(2008)01-0050-07
Abstract:
Some liner and explosive charge configurations have evolved because of the constrains and requirements of the particular weapon system (typically smart munition, multipurpose shaped charge warhead and tandem warhead). Recent developments in shaped ch...
Some liner and explosive charge configurations have evolved because of the constrains and requirements of the particular weapon system (typically smart munition, multipurpose shaped charge warhead and tandem warhead). Recent developments in shaped ch...
2008, 28(1): 57-62.
doi: 10.11883/1001-1455(2008)01-0057-05
Abstract:
The penetration ballistics of a high-speed-rotating bullet on the moving sheet-metal plate is numerically studied by using of LS-DYNA. Because of the high-speed motion of the sheet-metal plate, the bullet direction will turn aside, and its trajectory...
The penetration ballistics of a high-speed-rotating bullet on the moving sheet-metal plate is numerically studied by using of LS-DYNA. Because of the high-speed motion of the sheet-metal plate, the bullet direction will turn aside, and its trajectory...
2008, 28(1): 62-66.
doi: 10.11883/1001-1455(2008)01-0062-05
Abstract:
The material and structure of a crisp airproof lid was determined. Numerical calculations on the crisp airproof lid impacted by rocket projectile and fired-gas streams were carried out by the finite element method, and simulated results were experime...
The material and structure of a crisp airproof lid was determined. Numerical calculations on the crisp airproof lid impacted by rocket projectile and fired-gas streams were carried out by the finite element method, and simulated results were experime...
2008, 28(1): 67-74.
doi: 10.11883/1001-1455(2008)01-0067-08
Abstract:
The kinematic relational expression in the near zone of an explosion was introduced. Energy consumption in elastic medium was considered when the surface of radial crack was formed. By analyzing the distortion and failure for the near zone of the exp...
The kinematic relational expression in the near zone of an explosion was introduced. Energy consumption in elastic medium was considered when the surface of radial crack was formed. By analyzing the distortion and failure for the near zone of the exp...
2008, 28(1): 75-79.
doi: 10.11883/1001-1455(2008)01-0075-05
Abstract:
To reduce the CPU time cost by reactive flow calculations, the direct integral (DI) of chemical reactions is replaced by an in situ adaptive tabulation (ISAT) method. The ISAT method with two enlargement criterions of calculated error is used to nume...
To reduce the CPU time cost by reactive flow calculations, the direct integral (DI) of chemical reactions is replaced by an in situ adaptive tabulation (ISAT) method. The ISAT method with two enlargement criterions of calculated error is used to nume...
2008, 28(1): 80-85.
doi: 10.11883/1001-1455(2008)01-0080-06
Abstract:
Rigid and fluid interaction problems are solved by the level set method with the RKDG method. The system of the Eluer equations are solved by the RKDG method while the level set equation which describes the motion of the interface are solved by high-...
Rigid and fluid interaction problems are solved by the level set method with the RKDG method. The system of the Eluer equations are solved by the RKDG method while the level set equation which describes the motion of the interface are solved by high-...
2008, 28(1): 86-91.
doi: 10.11883/1001-1455(2008)01-0086-06
Abstract:
The processes for the jet penetrating at different impact angles into a semi-infinite target with V-shaped sandwich explosive structure are simulated numerically by using the 3D finite element code (LS-DYNA). Simulated results are compared with the c...
The processes for the jet penetrating at different impact angles into a semi-infinite target with V-shaped sandwich explosive structure are simulated numerically by using the 3D finite element code (LS-DYNA). Simulated results are compared with the c...
2008, 28(1): 92-96.
doi: 10.11883/1001-1455(2008)01-0092-05
Abstract:
According to safety assessment of structures subjected to blasting-induced ground excitations, a time-history analysis method was proposed to assess safety of blast seismic waves. The model of structural elasto-plastic dynamic analysis based on preci...
According to safety assessment of structures subjected to blasting-induced ground excitations, a time-history analysis method was proposed to assess safety of blast seismic waves. The model of structural elasto-plastic dynamic analysis based on preci...
