2021 Vol. 41, No. 1
Display Method:
Read OL
PDF 
Cited by
2021, 41(1): 011401.
doi: 10.11883/bzycj-2020-0415
Abstract:
In the learning and research process of explosion/impact dynamics, “doubt” is the prelude of innovation. Several examples of my experiences are shared here, including as follows. Can statics equilibrium conditions be used for wave propagation analysi...
In the learning and research process of explosion/impact dynamics, “doubt” is the prelude of innovation. Several examples of my experiences are shared here, including as follows. Can statics equilibrium conditions be used for wave propagation analysi...
2021, 41(1): 011402.
doi: 10.11883/bzycj-2020-0351
Abstract:
The expansion fracture process of metallic shells under explosive loading is an important topic in fields of weapon design. This process contains a wealth of basic science problems in materials science and mechanics, which has attracted the long-term...
The expansion fracture process of metallic shells under explosive loading is an important topic in fields of weapon design. This process contains a wealth of basic science problems in materials science and mechanics, which has attracted the long-term...
2021, 41(1): 011403.
doi: 10.11883/bzycj-2020-0246
Abstract:
Cylindrical shell chain can cause dispersion of waveform and has the potential to manipulate waveform. An equivalent continuum model and a mesoscopic finite element model of cylindrical shell chain structure were established, and the stress wave prop...
Cylindrical shell chain can cause dispersion of waveform and has the potential to manipulate waveform. An equivalent continuum model and a mesoscopic finite element model of cylindrical shell chain structure were established, and the stress wave prop...
2021, 41(1): 011404.
doi: 10.11883/bzycj-2020-0224
Abstract:
Adiabatic shear band (ASB) is a common failure mechanism of metals and alloys under high strain rate dynamic loading. The hat-shaped samples of Fe-24.86Ni-5.8Al-0.38C dual-phase steel with different microstructures were impacted by the Hopkinson pres...
Adiabatic shear band (ASB) is a common failure mechanism of metals and alloys under high strain rate dynamic loading. The hat-shaped samples of Fe-24.86Ni-5.8Al-0.38C dual-phase steel with different microstructures were impacted by the Hopkinson pres...
2021, 41(1): 012101.
doi: 10.11883/bzycj-2020-0054
Abstract:
To analyse the effect of gaps on the explosive loading process, we carried out an experiment by using high explosive to genarate a detonation impact on a tin sample through a piece of steel and tested the experimental results with a numerical simulat...
To analyse the effect of gaps on the explosive loading process, we carried out an experiment by using high explosive to genarate a detonation impact on a tin sample through a piece of steel and tested the experimental results with a numerical simulat...
2021, 41(1): 013201.
doi: 10.11883/bzycj-2020-0108
Abstract:
Phase transformation can seriously modify the properties of the materials and therefore impact the stress wave propagation features inside the materials. A simplified incremental phase transformation constitutive model, considering both the hydrostat...
Phase transformation can seriously modify the properties of the materials and therefore impact the stress wave propagation features inside the materials. A simplified incremental phase transformation constitutive model, considering both the hydrostat...
2021, 41(1): 013202.
doi: 10.11883/bzycj-2020-0313
Abstract:
Wave propagation in visco-elastic materials with gradient density is really complex. In order to understand the responses of the visco-elastic materials to impact load, a series of theoretical equations for wave propagation in density-graded visco-el...
Wave propagation in visco-elastic materials with gradient density is really complex. In order to understand the responses of the visco-elastic materials to impact load, a series of theoretical equations for wave propagation in density-graded visco-el...
2021, 41(1): 013301.
doi: 10.11883/bzycj-2020-0075
Abstract:
One of the main functions of liquid tanks in the passive protective systems of surface warships is to prevent the damage by high-velocity projectiles (explosive fragments) to important internal structures, equipments and personnels. The process of hi...
One of the main functions of liquid tanks in the passive protective systems of surface warships is to prevent the damage by high-velocity projectiles (explosive fragments) to important internal structures, equipments and personnels. The process of hi...
2021, 41(1): 013302.
doi: 10.11883/bzycj-2020-0077
Abstract:
Explosion experiments were performed to explore the response law of typical stiffened skin structures of aircrafts under explosive loading. And in the experiments, the following data on the structural responses were obtained as the reflected overpres...
Explosion experiments were performed to explore the response law of typical stiffened skin structures of aircrafts under explosive loading. And in the experiments, the following data on the structural responses were obtained as the reflected overpres...
2021, 41(1): 014101.
doi: 10.11883/bzycj-2020-0049
Abstract:
A liquid-driving brittle expansion ring test technique has been developed. The precise centering of the brittle ring was realized by means of a liftable convex platform to avoid the bending fracture caused by eccentric expansion. The strain vs time c...
A liquid-driving brittle expansion ring test technique has been developed. The precise centering of the brittle ring was realized by means of a liftable convex platform to avoid the bending fracture caused by eccentric expansion. The strain vs time c...
2021, 41(1): 014201.
doi: 10.11883/bzycj-2020-0069
Abstract:
To improve the ballistic simulation accuracy of ceramic composite armors and glass composite armors (transparent armors) against small-caliber armor piercing bullets, the new FEM (finite element method) -SPH (smooth particle hydrodynamics) coupled mo...
To improve the ballistic simulation accuracy of ceramic composite armors and glass composite armors (transparent armors) against small-caliber armor piercing bullets, the new FEM (finite element method) -SPH (smooth particle hydrodynamics) coupled mo...
2021, 41(1): 014901.
doi: 10.11883/bzycj-2020-0078
Abstract:
A deep-water explosion test vessel is an important test equipment which is filled with water to simulate different water depth environment by loading different hydrostatic pressure, and it can be used to study deep water explosion theory and engineer...
A deep-water explosion test vessel is an important test equipment which is filled with water to simulate different water depth environment by loading different hydrostatic pressure, and it can be used to study deep water explosion theory and engineer...
2021, 41(1): 015901.
doi: 10.11883/bzycj-2020-0073
Abstract:
For a military vehicle, an unbuffered platform airdrop test was performed at a height of 1 m. And a seat-crew model was built. The impact signals at the seat installation point were obtained by the test. The obtained signals were used as the input of...
For a military vehicle, an unbuffered platform airdrop test was performed at a height of 1 m. And a seat-crew model was built. The impact signals at the seat installation point were obtained by the test. The obtained signals were used as the input of...
2021, 41(1): 015902.
doi: 10.11883/bzycj-2020-0059
Abstract:
In order to research the influence of the time interval between the vertical impact of the lower legs of passenger and seat on the pelvis and lumbar injuries under explosive impact environment, Hyperworks and LS-DYNA were used to model and simulation...
In order to research the influence of the time interval between the vertical impact of the lower legs of passenger and seat on the pelvis and lumbar injuries under explosive impact environment, Hyperworks and LS-DYNA were used to model and simulation...
