2020 Vol. 40, No. 2
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2020, 40(2): 022201.
doi: 10.11883/bzycj-2019-0063
Abstract:
Two kinds of soft oxygen-free copper tubes with average grain size of 100−300 micron and 20−30 micron were used to fabricate standard copper tubes for\begin{document}$\varnothing $\end{document} ![]()
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Two kinds of soft oxygen-free copper tubes with average grain size of 100−300 micron and 20−30 micron were used to fabricate standard copper tubes for
2020, 40(2): 022202.
doi: 10.11883/bzycj-2018-0443
Abstract:
A series of experiments were designed and implemented to explore dynamic responses of steel pipes to blast waves The time histories of dynamic strains, vibration velocities and accelerations of the steel pipes were obtained, and the vibration velocit...
A series of experiments were designed and implemented to explore dynamic responses of steel pipes to blast waves The time histories of dynamic strains, vibration velocities and accelerations of the steel pipes were obtained, and the vibration velocit...
2020, 40(2): 023101.
doi: 10.11883/bzycj-2019-0001
Abstract:
A series of experiments were carried out on a 156-mm-caliber oval projectile penetrating into an reinforced concrete target. With the pre-arranged pressure sensors, the pressures at different positions in the concrete targets were obtained during the...
A series of experiments were carried out on a 156-mm-caliber oval projectile penetrating into an reinforced concrete target. With the pre-arranged pressure sensors, the pressures at different positions in the concrete targets were obtained during the...
2020, 40(2): 023102.
doi: 10.11883/bzycj-2019-0066
Abstract:
The dynamic compression tests of calcareous sands with different moisture contents under quasi-one-dimensional strain conditions were carried out using a calibrated SHPB system in the average strain rate ranging from 209 s−1 to 1137 s−1. The test res...
The dynamic compression tests of calcareous sands with different moisture contents under quasi-one-dimensional strain conditions were carried out using a calibrated SHPB system in the average strain rate ranging from 209 s−1 to 1137 s−1. The test res...
2020, 40(2): 023103.
doi: 10.11883/bzycj-2019-0050
Abstract:
In order to investigate the mechanical response and damage mechanisms of Al2O3 ceramics, quasi-static and dynamic compression experiments are carried out on Al2O3 samples with a material test system and split Hopkinson pressure bar, respectively. In-...
In order to investigate the mechanical response and damage mechanisms of Al2O3 ceramics, quasi-static and dynamic compression experiments are carried out on Al2O3 samples with a material test system and split Hopkinson pressure bar, respectively. In-...
2020, 40(2): 023301.
doi: 10.11883/bzycj-2019-0065
Abstract:
To study the penetration and energy release effect of W/ZrNiAlCu metastable reactive alloy composite fragment against RHA target, the penetration tests using high-speed camera and ballistic gun system were conducted. And the energy equation and Arami...
To study the penetration and energy release effect of W/ZrNiAlCu metastable reactive alloy composite fragment against RHA target, the penetration tests using high-speed camera and ballistic gun system were conducted. And the energy equation and Arami...
2020, 40(2): 023302.
doi: 10.11883/bzycj-2019-0019
Abstract:
Based on the method of near-field dynamics, the effects of fragment velocity, ply mode of laminated plate, rib size of stiffened plate and impact position of fragment relative to rib on the damage mode and residual velocity of fragment are analyzed. ...
Based on the method of near-field dynamics, the effects of fragment velocity, ply mode of laminated plate, rib size of stiffened plate and impact position of fragment relative to rib on the damage mode and residual velocity of fragment are analyzed. ...
2020, 40(2): 024101.
doi: 10.11883/bzycj-2018-0516
Abstract:
In this paper, an internal central single-cracked disk (ICSCD) specimen was proposed for the study of dynamic fracture initiation toughness of sandstone under blasting loading. We conducted blasting tests on an ICSCD specimen fabricated from a blue s...
In this paper, an internal central single-cracked disk (ICSCD) specimen was proposed for the study of dynamic fracture initiation toughness of sandstone under blasting loading. We conducted blasting tests on an ICSCD specimen fabricated from a blue s...
A GPU parallel staircase finite difference mesh generation algorithm based on the ray casting method
2020, 40(2): 024201.
doi: 10.11883/bzycj-2019-0344
Abstract:
Three-dimensional large-scale finite difference mesh generation technology is the basis of three-dimensional finite difference computation, and the efficiency of mesh generation is a research hotspot of three-dimensional finite difference mesh genera...
Three-dimensional large-scale finite difference mesh generation technology is the basis of three-dimensional finite difference computation, and the efficiency of mesh generation is a research hotspot of three-dimensional finite difference mesh genera...
2020, 40(2): 024202.
doi: 10.11883/bzycj-2019-0057
Abstract:
Shock consolidation of powders is an effective method for fabrication of the high quality tungsten, and molecular dynamics simulation has unique advantages in modelling the rapid process at atomic-scale. In this work, the shock consolidation of nano ...
Shock consolidation of powders is an effective method for fabrication of the high quality tungsten, and molecular dynamics simulation has unique advantages in modelling the rapid process at atomic-scale. In this work, the shock consolidation of nano ...
2020, 40(2): 024203.
doi: 10.11883/bzycj-2019-0055
Abstract:
With the increasing requirements for the protection of military vehicles, the design of impact protection components is facing more and more challenges. In order to provide an efficient and scientific research method, this paper adopts a V-shaped str...
With the increasing requirements for the protection of military vehicles, the design of impact protection components is facing more and more challenges. In order to provide an efficient and scientific research method, this paper adopts a V-shaped str...
2020, 40(2): 025101.
doi: 10.11883/bzycj-2019-0045
Abstract:
The blasting air shock wave produced by tunnel excavation results in considerable casualties and damage to equipments and environments. Compared with those of the explosion of bare charges, the influencing factors of the blast wave induced by tunnel ...
The blasting air shock wave produced by tunnel excavation results in considerable casualties and damage to equipments and environments. Compared with those of the explosion of bare charges, the influencing factors of the blast wave induced by tunnel ...
