2016 Vol. 36, No. 1
Display Method:
2016, 36(1): 1-8.
doi: 10.11883/1001-1455(2016)01-0001-08
Read OL
PDF 
Cited by
Abstract:
To find effective protection for fluid-filled structures subjected to high-speed projectile penetration, we studied the characteristics of a structure bearing impact loads when undergoing high velocity rod projectile penetration using dynamic nonline...
To find effective protection for fluid-filled structures subjected to high-speed projectile penetration, we studied the characteristics of a structure bearing impact loads when undergoing high velocity rod projectile penetration using dynamic nonline...
2016, 36(1): 9-16.
doi: 10.11883/1001-1455(2016)01-0009-08
Abstract:
In this work we developed a one-dimensional elastic-plastic reactive magnetic hydrodynamic code SSS/MHD with multi-medium, multi-cavities and coupling with external circuits on experimental configurations, based on the Lagrange code SSS. The key prob...
In this work we developed a one-dimensional elastic-plastic reactive magnetic hydrodynamic code SSS/MHD with multi-medium, multi-cavities and coupling with external circuits on experimental configurations, based on the Lagrange code SSS. The key prob...
2016, 36(1): 17-23.
doi: 10.11883/1001-1455(2016)01-0017-07
Abstract:
The plastic-bonded explosives (PBX) simulation model with heterogeneous crystal grain and binder was presented using the discrete element method(DEM). By loading opposite flyers at both ends of the explosive sample, the dynamic compression simulation...
The plastic-bonded explosives (PBX) simulation model with heterogeneous crystal grain and binder was presented using the discrete element method(DEM). By loading opposite flyers at both ends of the explosive sample, the dynamic compression simulation...
2016, 36(1): 24-30.
doi: 10.11883/1001-1455(2016)01-0024-07
Abstract:
In the cases of the perforation of a single-layered metal plate struck by a blunt rigid projectile, along with the increase of the plate thickness and that of the projectile velocity, the failure mode of the metal plate may transform from shear plugg...
In the cases of the perforation of a single-layered metal plate struck by a blunt rigid projectile, along with the increase of the plate thickness and that of the projectile velocity, the failure mode of the metal plate may transform from shear plugg...
2016, 36(1): 31-37.
doi: 10.11883/1001-1455(2016)01-0031-07
Abstract:
In order to investigate the characteristics of pulse gas flow generator with different nozzle structures and analyze those of the flow field and their tendencies to change, we achieved the shock wave profiles generated by the gas flow generators and ...
In order to investigate the characteristics of pulse gas flow generator with different nozzle structures and analyze those of the flow field and their tendencies to change, we achieved the shock wave profiles generated by the gas flow generators and ...
2016, 36(1): 38-42.
doi: 10.11883/1001-1455(2016)01-0038-05
Abstract:
The energy release process and damage characteristics of thermobaric explosive (TBE), a non-ideal explosive, differ from those of a normal explosive. In the present work, free-field explosion experiments were done to study the shock wave characterist...
The energy release process and damage characteristics of thermobaric explosive (TBE), a non-ideal explosive, differ from those of a normal explosive. In the present work, free-field explosion experiments were done to study the shock wave characterist...
2016, 36(1): 43-49.
doi: 10.11883/1001-1455(2016)01-0043-07
Abstract:
In this work, based on the traditional pulse generators, we present an electromagnetic induction generator driven by explosion as a new technology of electromagnetic pulse generator. Having described the working process of the generator, we simulated...
In this work, based on the traditional pulse generators, we present an electromagnetic induction generator driven by explosion as a new technology of electromagnetic pulse generator. Having described the working process of the generator, we simulated...
2016, 36(1): 50-56.
doi: 10.11883/1001-1455(2016)01-0050-07
Abstract:
Explosive welding interface structure determines the quality of composite materials. However, analyses on the interfaces morphology so far remain limited on the qualitative level and quantitative analysis methods have not been well established. In ou...
Explosive welding interface structure determines the quality of composite materials. However, analyses on the interfaces morphology so far remain limited on the qualitative level and quantitative analysis methods have not been well established. In ou...
2016, 36(1): 57-63.
doi: 10.11883/1001-1455(2016)01-0057-07
Abstract:
This paper aims to obtain the parameters for the failure model based on the Charpy impact test, which has been widely used to study dynamic fracture properties of metallic materials. Based on the explicit dynamic finite element method in ABAQUS, FEM ...
This paper aims to obtain the parameters for the failure model based on the Charpy impact test, which has been widely used to study dynamic fracture properties of metallic materials. Based on the explicit dynamic finite element method in ABAQUS, FEM ...
2016, 36(1): 64-68.
doi: 10.11883/1001-1455(2016)01-0064-05
Abstract:
Numerical Hopkinson bar experiments of hat-shaped specimens with different geometries were carried out using ANSYS/LS-DYNA to investigate the effects resulting from varying the geometrical dimensions of specimens. Results show that the stress value c...
Numerical Hopkinson bar experiments of hat-shaped specimens with different geometries were carried out using ANSYS/LS-DYNA to investigate the effects resulting from varying the geometrical dimensions of specimens. Results show that the stress value c...
2016, 36(1): 69-74.
doi: 10.11883/1001-1455(2016)01-0069-06
Abstract:
Eccentric warhead is a typical directional warhead, and its explosive wave is adjusted to improve the fragments' velocity in a specified area. The kinematic equation of a case was established in the polar coordinate system, and the Whitham method was...
Eccentric warhead is a typical directional warhead, and its explosive wave is adjusted to improve the fragments' velocity in a specified area. The kinematic equation of a case was established in the polar coordinate system, and the Whitham method was...
2016, 36(1): 75-80.
doi: 10.11883/1001-1455(2016)01-0075-06
Abstract:
Based on the theory of dynamic spherical cavity expansion, the model of the petaling penetration at low speed and the round hole penetration at high speed were established to describe the penetration by the grooved-tapered projectile and the penetrat...
Based on the theory of dynamic spherical cavity expansion, the model of the petaling penetration at low speed and the round hole penetration at high speed were established to describe the penetration by the grooved-tapered projectile and the penetrat...
2016, 36(1): 81-86.
doi: 10.11883/1001-1455(2016)01-0081-06
Abstract:
In this work, to study the overpressure distribution characteristics for multiple cloud explosion, we carried out a numerical simulation using LS-DYNA of the process of blast waves interaction for four non-circular cross-section clouds, with the comp...
In this work, to study the overpressure distribution characteristics for multiple cloud explosion, we carried out a numerical simulation using LS-DYNA of the process of blast waves interaction for four non-circular cross-section clouds, with the comp...
2016, 36(1): 87-92.
doi: 10.11883/1001-1455(2016)01-0087-06
Abstract:
The Richtmyer-Meshkov (RM) instability in a heavy gas (SF6) cylinder surrounded by ambient air is experimentally studied using a high-speed video camera in combination with a laser sheet. The evolving gas cylinder at intermediate to later stages was ...
The Richtmyer-Meshkov (RM) instability in a heavy gas (SF6) cylinder surrounded by ambient air is experimentally studied using a high-speed video camera in combination with a laser sheet. The evolving gas cylinder at intermediate to later stages was ...
2016, 36(1): 93-100.
doi: 10.11883/1001-1455(2016)01-0093-08
Abstract:
In view of seismic-wave detection, laws of waveform change, and the vibration-reducing effect that different millisecond time intervals have on millisecond blasting in underground engineering, we conducted research on optimal microsecond time interva...
In view of seismic-wave detection, laws of waveform change, and the vibration-reducing effect that different millisecond time intervals have on millisecond blasting in underground engineering, we conducted research on optimal microsecond time interva...
2016, 36(1): 101-106.
doi: 10.11883/1001-1455(2016)01-0101-06
Abstract:
In the present study, the dynamic response and shock-resisting properties of aluminum alloy lattice core sandwich panels under underwater shock loading were investigated using the non-explosive underwater shock loading device. The dynamic response of...
In the present study, the dynamic response and shock-resisting properties of aluminum alloy lattice core sandwich panels under underwater shock loading were investigated using the non-explosive underwater shock loading device. The dynamic response of...
2016, 36(1): 107-112.
doi: 10.11883/1001-1455(2016)01-0107-06
Abstract:
Tool steel and copper were welded together using underwater explosive welding technique, which is preferably adopted for the welding of super-thin and super-hard brittle materials. In this work we carried out experimental research using inclined weld...
Tool steel and copper were welded together using underwater explosive welding technique, which is preferably adopted for the welding of super-thin and super-hard brittle materials. In this work we carried out experimental research using inclined weld...
2016, 36(1): 113-120.
doi: 10.11883/1001-1455(2016)01-0113-08
Abstract:
Experimental studies of the oblique water-exit of slender bodies are conducted using high-speed camera technology to capture the whole process for exploring the mechanism of the formation, development and collapse of the cavity and examining the fact...
Experimental studies of the oblique water-exit of slender bodies are conducted using high-speed camera technology to capture the whole process for exploring the mechanism of the formation, development and collapse of the cavity and examining the fact...
2016, 36(1): 121-128.
doi: 10.11883/1001-1455(2016)01-0121-08
Abstract:
In order to study the perforation characteristics generated by a spherical 2A12 aluminum projectile impacting cylindrical shell steel free beams at high-speed, the experiments of a spherical projectile loaded by a two-stage light gas gun impacting cy...
In order to study the perforation characteristics generated by a spherical 2A12 aluminum projectile impacting cylindrical shell steel free beams at high-speed, the experiments of a spherical projectile loaded by a two-stage light gas gun impacting cy...
2016, 36(1): 129-134.
doi: 10.11883/1001-1455(2016)01-0129-06
Abstract:
In this work we carried out an experimental study along with a numerical simulation of the processes of a droplet deformation and breakup induced by an incident shock wave. The numerical results basically agreed with the experimental results but also...
In this work we carried out an experimental study along with a numerical simulation of the processes of a droplet deformation and breakup induced by an incident shock wave. The numerical results basically agreed with the experimental results but also...
2016, 36(1): 135-144.
doi: 10.11883/1001-1455(2016)01-0135-10
Abstract:
With the potential increase of terrorist attacks and blasting accidents, bridge safety has become a major public concern and greater attention is paid to the safety assessment of bridges under blast load. In this paper, the most recent research of br...
With the potential increase of terrorist attacks and blasting accidents, bridge safety has become a major public concern and greater attention is paid to the safety assessment of bridges under blast load. In this paper, the most recent research of br...
