2022 Vol. 42, No. 12
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2022, 42(12): 121101.
doi: 10.11883/bzycj-2022-0434
Abstract:
The pulse wave constitutive relation determines propagation characteristics of pulse wave. How to determine it through experimental studies, and how to obtain it from the existing literature data through these methods, is one of the cores of the curr...
The pulse wave constitutive relation determines propagation characteristics of pulse wave. How to determine it through experimental studies, and how to obtain it from the existing literature data through these methods, is one of the cores of the curr...
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2022, 42(12): 122201.
doi: 10.11883/bzycj-2022-0173
Abstract:
In order to study the mechanism and the predictors of blast lung injuries, a finite element model including the human body and the explosion flow field was developed. The fluid-structure coupling algorithm of LS-DYNA was used to simulate the blast ef...
In order to study the mechanism and the predictors of blast lung injuries, a finite element model including the human body and the explosion flow field was developed. The fluid-structure coupling algorithm of LS-DYNA was used to simulate the blast ef...
2022, 42(12): 123101.
doi: 10.11883/bzycj-2022-0045
Abstract:
In this paper, a finite element model of the granular slug launcher was constructed. Using the discrete element-finite element coupling method, the dynamic response and mechanism of mitigation and energy absorption of sandwich beams with reentrant ho...
In this paper, a finite element model of the granular slug launcher was constructed. Using the discrete element-finite element coupling method, the dynamic response and mechanism of mitigation and energy absorption of sandwich beams with reentrant ho...
2022, 42(12): 123102.
doi: 10.11883/bzycj-2022-0214
Abstract:
In order to study the damage of concrete structures which have relatively strict requirements on the formation and propagation of cracks, such as dam, pier and nuclear power plant containment, suffered by impact loads, numerical studies were conducte...
In order to study the damage of concrete structures which have relatively strict requirements on the formation and propagation of cracks, such as dam, pier and nuclear power plant containment, suffered by impact loads, numerical studies were conducte...
2022, 42(12): 123201.
doi: 10.11883/bzycj-2022-0097
Abstract:
Chloroform was used to bond a polycarbonate (PC) plate and a polymethylmethacrylate (PMMA) plate to fabricate a model with a heterogeneous cemented interface. A cylinder blasthole was set in the PC plate with a certain angle to the interface. Base on...
Chloroform was used to bond a polycarbonate (PC) plate and a polymethylmethacrylate (PMMA) plate to fabricate a model with a heterogeneous cemented interface. A cylinder blasthole was set in the PC plate with a certain angle to the interface. Base on...
2022, 42(12): 123202.
doi: 10.11883/bzycj-2022-0041
Abstract:
Based on the Kong-Fang concrete material model and the multi-material arbitrary Lagrangian Eulerian (MMALE) algorithm available in LS-DYNA, the attenuation of stress wave in concrete subjected to explosion was numerically studied. On the basis of com...
Based on the Kong-Fang concrete material model and the multi-material arbitrary Lagrangian Eulerian (MMALE) algorithm available in LS-DYNA, the attenuation of stress wave in concrete subjected to explosion was numerically studied. On the basis of com...
2022, 42(12): 123301.
doi: 10.11883/bzycj-2022-0249
Abstract:
By means of a 30-mm-caliber ballistic gun platform, a series of experiments were carried out on 2A12 aluminum targets subjected to normal penetration by three kinds of 30CrMnSi2A steel projectiles with different elliptical cross-section shapes in the...
By means of a 30-mm-caliber ballistic gun platform, a series of experiments were carried out on 2A12 aluminum targets subjected to normal penetration by three kinds of 30CrMnSi2A steel projectiles with different elliptical cross-section shapes in the...
2022, 42(12): 123901.
doi: 10.11883/bzycj-2021-0426
Abstract:
In order to solve the problems of structural damage and ballistic runaway caused by huge impact loads suffered by air-drop vehicles and rocket-assisted vehicles during high-speed water-entry, a slotted wrapping buffer head cap was proposed to guarant...
In order to solve the problems of structural damage and ballistic runaway caused by huge impact loads suffered by air-drop vehicles and rocket-assisted vehicles during high-speed water-entry, a slotted wrapping buffer head cap was proposed to guarant...
2022, 42(12): 124101.
doi: 10.11883/bzycj-2021-0484
Abstract:
One-dimensional cylindrical load was imposed on the middle part and half height of the metal cylinders which have the initial height of 160 mm, the wall thickness of 4 mm and the external diameter of 48 mm, by the way of an electric exploding wire in...
One-dimensional cylindrical load was imposed on the middle part and half height of the metal cylinders which have the initial height of 160 mm, the wall thickness of 4 mm and the external diameter of 48 mm, by the way of an electric exploding wire in...
2022, 42(12): 124201.
doi: 10.11883/bzycj-2022-0054
Abstract:
A two-stage light gas gun is a common hypervelocity launcher. Over the years, most researchers adopted simplified one-dimensional models and rarely used three-dimensional finite element models. This paper used the coupled Eulerian-Lagrangian algorith...
A two-stage light gas gun is a common hypervelocity launcher. Over the years, most researchers adopted simplified one-dimensional models and rarely used three-dimensional finite element models. This paper used the coupled Eulerian-Lagrangian algorith...
2022, 42(12): 125101.
doi: 10.11883/bzycj-2021-0492
Abstract:
Pipelines with a gasketed bell and spigot joint are more vulnerable to external load damage, leading to pipeline failure. To ensure the safe operation of adjacent high-density polyethylene (HDPE) bellows during blasting excavation, control of the inf...
Pipelines with a gasketed bell and spigot joint are more vulnerable to external load damage, leading to pipeline failure. To ensure the safe operation of adjacent high-density polyethylene (HDPE) bellows during blasting excavation, control of the inf...
2022, 42(12): 125102.
doi: 10.11883/bzycj-2021-0437
Abstract:
Semi-armor-piercing warhead is likely to penetrate into the inner space of warship to induce severe damage. Published research indicated that the corner part of ship cabin tended to fail first. In present study, the novel design of corner structure a...
Semi-armor-piercing warhead is likely to penetrate into the inner space of warship to induce severe damage. Published research indicated that the corner part of ship cabin tended to fail first. In present study, the novel design of corner structure a...
2022, 42(12): 125401.
doi: 10.11883/bzycj-2022-0100
Abstract:
Study on propagation characteristics of detonation in bifurcated tubes is of great significance to the safety protection of gas explosion in pipelines and engineering application. The propagation states of detonation vary with the geometrical structu...
Study on propagation characteristics of detonation in bifurcated tubes is of great significance to the safety protection of gas explosion in pipelines and engineering application. The propagation states of detonation vary with the geometrical structu...
2022, 42(12): 125402.
doi: 10.11883/bzycj-2021-0459
Abstract:
Explosion venting and inerting are two commonly used explosion protective measures in hydrogen-based industries, both of them are effective in reducing the maximum explosion overpressure when used alone. However, the coupling effects of venting and i...
Explosion venting and inerting are two commonly used explosion protective measures in hydrogen-based industries, both of them are effective in reducing the maximum explosion overpressure when used alone. However, the coupling effects of venting and i...
