2020 Vol. 40, No. 10
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2020, 40(10): 105101.
doi: 10.11883/bzycj-2020-0020
Abstract:
The calculation method based on the energy method for resisting perforation to the SC walls with tied bars was discussed. Based on the perforation mechanism of missile impacting on the SC walls, the dissipated energy was divided into four parts: the ...
The calculation method based on the energy method for resisting perforation to the SC walls with tied bars was discussed. Based on the perforation mechanism of missile impacting on the SC walls, the dissipated energy was divided into four parts: the ...
2020, 40(10): 105201.
doi: 10.11883/bzycj-2019-0445
Abstract:
Based on the field test of environmental vibration characteristics of subway tunnel millisecond delay blasting, considering the irregular characteristics of blasting load, a modified Davidenkov constitutive model based on asymmetric loading and unloa...
Based on the field test of environmental vibration characteristics of subway tunnel millisecond delay blasting, considering the irregular characteristics of blasting load, a modified Davidenkov constitutive model based on asymmetric loading and unloa...
2020, 40(10): 102101.
doi: 10.11883/bzycj-2019-0416
Abstract:
In order to investigate the closed explosion and venting characteristics of gasoline-air mixture, two kinds of explosion modes were studied by using a visualized square tube, and numerical simulation was carried out based on the wall-adapting local e...
In order to investigate the closed explosion and venting characteristics of gasoline-air mixture, two kinds of explosion modes were studied by using a visualized square tube, and numerical simulation was carried out based on the wall-adapting local e...
2020, 40(10): 102102.
doi: 10.11883/bzycj-2019-0481
Abstract:
The impact of nozzle configuration on the performance of rotating detonation with different equivalence ratios was studied through tests on rotating detonating engines (RDEs) without a nozzle and with a convergent nozzle, a divergent nozzle and a con...
The impact of nozzle configuration on the performance of rotating detonation with different equivalence ratios was studied through tests on rotating detonating engines (RDEs) without a nozzle and with a convergent nozzle, a divergent nozzle and a con...
2020, 40(10): 102201.
doi: 10.11883/bzycj-2019-0398
Abstract:
The scattering of steady-state shear horizontal (SH) guided waves from the elastic strip media with multiple semi-cylindrical depressions on the surface was studied and the analytical solution was given. Firstly, the guided wave expansion method was ...
The scattering of steady-state shear horizontal (SH) guided waves from the elastic strip media with multiple semi-cylindrical depressions on the surface was studied and the analytical solution was given. Firstly, the guided wave expansion method was ...
2020, 40(10): 103101.
doi: 10.11883/bzycj-2019-0479
Abstract:
Due to the excavation unloading effect and the amplitude attenuation of stress wave, the rock masses locating the different distances away from the blasting source are subjected to different geostress and impact loadings during the blasting excavatio...
Due to the excavation unloading effect and the amplitude attenuation of stress wave, the rock masses locating the different distances away from the blasting source are subjected to different geostress and impact loadings during the blasting excavatio...
2020, 40(10): 103102.
doi: 10.11883/bzycj-2019-0475
Abstract:
The deformation mode and energy absorption property of aircraft sub-structure are of great significance for occupant protection during aircraft crash. The load transfer and failure mode of joint structures are one of important factors affecting aircr...
The deformation mode and energy absorption property of aircraft sub-structure are of great significance for occupant protection during aircraft crash. The load transfer and failure mode of joint structures are one of important factors affecting aircr...
2020, 40(10): 103103.
doi: 10.11883/bzycj-2019-0249
Abstract:
In order to reveal the mechanical properties of a polyvinyl chloride elastomer under static and dynamic loading, the stress-strain curves of the polyvinyl chloride elastomer at six different strain rates (0.001, 0.01, 0.1, 1 510, 2 260 and 3 000 s−1)...
In order to reveal the mechanical properties of a polyvinyl chloride elastomer under static and dynamic loading, the stress-strain curves of the polyvinyl chloride elastomer at six different strain rates (0.001, 0.01, 0.1, 1 510, 2 260 and 3 000 s−1)...
2020, 40(10): 103301.
doi: 10.11883/bzycj-2019-0428
Abstract:
Under the threat of earth penetration weapons (EPWs), the protective fortification should be further enhanced. The bursting layer is commonly used to increase the protective strength of the fortification. A hard spherical aggregate (aggregate for sho...
Under the threat of earth penetration weapons (EPWs), the protective fortification should be further enhanced. The bursting layer is commonly used to increase the protective strength of the fortification. A hard spherical aggregate (aggregate for sho...
2020, 40(10): 104101.
doi: 10.11883/bzycj-2020-0041
Abstract:
Aimed to the recovery of expansive metal cylindrical shells subjected to internal explosive loading, the freezing recovery test method was developed to realize the freezing recovery of the metallic cylindrical shells at different moments after detona...
Aimed to the recovery of expansive metal cylindrical shells subjected to internal explosive loading, the freezing recovery test method was developed to realize the freezing recovery of the metallic cylindrical shells at different moments after detona...
2020, 40(10): 104201.
doi: 10.11883/bzycj-2019-0478
Abstract:
To investigate the influence of water depth on the evolution characteristics of the muzzle flow field of an underwater submerged launched ballistic gun, a two-dimensional axisymmetric transient muzzle flow field model was established. The fluid volum...
To investigate the influence of water depth on the evolution characteristics of the muzzle flow field of an underwater submerged launched ballistic gun, a two-dimensional axisymmetric transient muzzle flow field model was established. The fluid volum...
2020, 40(10): 104202.
doi: 10.11883/bzycj-2019-0435
Abstract:
In the article a thermodynamically consistent diffuse interface model is proposed in order to numerically simulate the interaction between solid explosive detonation and compressible inert media. The chemical reaction of detonation course in solid ex...
In the article a thermodynamically consistent diffuse interface model is proposed in order to numerically simulate the interaction between solid explosive detonation and compressible inert media. The chemical reaction of detonation course in solid ex...
