2024 Vol. 44, No. 8
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2024, 44(8): 081411.
doi: 10.11883/bzycj-2024-0086
Abstract:
Cellular materials are structures with a large number of internal cavities and cells, which have the properties of lightweight and high specific energy absorption, and they are widely used in the collision/explosion protection, such as aerospace, tra...
Cellular materials are structures with a large number of internal cavities and cells, which have the properties of lightweight and high specific energy absorption, and they are widely used in the collision/explosion protection, such as aerospace, tra...
2024, 44(8): 081421.
doi: 10.11883/bzycj-2023-0437
Abstract:
To study the thermal relaxation behavior of graded media that satisfies the power law, a one-dimensional hyperbolic non-Fourier heat conduction equation of the graded material which satisfies the power law was derived from the Cattaneo-Vernotte linea...
To study the thermal relaxation behavior of graded media that satisfies the power law, a one-dimensional hyperbolic non-Fourier heat conduction equation of the graded material which satisfies the power law was derived from the Cattaneo-Vernotte linea...
2024, 44(8): 081422.
doi: 10.11883/bzycj-2023-0469
Abstract:
The diffusion behavior of shear instability control under dynamic load is the inducement for the development of local large deformation and the deterioration of macroscopic mechanical properties of rock. Firstly, the energy function of the unstable i...
The diffusion behavior of shear instability control under dynamic load is the inducement for the development of local large deformation and the deterioration of macroscopic mechanical properties of rock. Firstly, the energy function of the unstable i...
2024, 44(8): 081423.
doi: 10.11883/bzycj-2023-0454
Abstract:
The scattering of seismic waves by shallow-buried underground structures has significant theoretical value in the engineering field. However, previous studies have mainly focused on the case of plane waves or the case of complete bonding between lini...
The scattering of seismic waves by shallow-buried underground structures has significant theoretical value in the engineering field. However, previous studies have mainly focused on the case of plane waves or the case of complete bonding between lini...
2024, 44(8): 081431.
doi: 10.11883/bzycj-2024-0004
Abstract:
A 1D SPH (smoothed particle hydrodynamics) and approximate HLLC (Harten-Lax-van Leer-contact) Riemann solver coupled method for elastic-perfectly plastic model is proposed through elastic and plastic wave analysis. In SPH simulations, each particle p...
A 1D SPH (smoothed particle hydrodynamics) and approximate HLLC (Harten-Lax-van Leer-contact) Riemann solver coupled method for elastic-perfectly plastic model is proposed through elastic and plastic wave analysis. In SPH simulations, each particle p...
2024, 44(8): 081432.
doi: 10.11883/bzycj-2024-0026
Abstract:
To investigate the wound effectiveness of cross-medium bullets, gelatin is chosen as a simulated human target. The numerical simulation of the penetration process of the designed 7.62 mm multi-environment bullet into the simulated target is conducted...
To investigate the wound effectiveness of cross-medium bullets, gelatin is chosen as a simulated human target. The numerical simulation of the penetration process of the designed 7.62 mm multi-environment bullet into the simulated target is conducted...
2024, 44(8): 081433.
doi: 10.11883/bzycj-2023-0470
Abstract:
The wave propagation and pressure distribution during the interaction between long duration blast waves and structures are important foundations for the large scale explosion protection design and safety assessment. In order to understand the interac...
The wave propagation and pressure distribution during the interaction between long duration blast waves and structures are important foundations for the large scale explosion protection design and safety assessment. In order to understand the interac...
2024, 44(8): 081441.
doi: 10.11883/bzycj-2023-0389
Abstract:
The reflected and transmitted waves in split Hopkinson pressure bar (SHPB) tests provide crucial information for obtaining the stress-strain relationship of materials. Accurately analyzing the formation process and influencing mechanisms of the refle...
The reflected and transmitted waves in split Hopkinson pressure bar (SHPB) tests provide crucial information for obtaining the stress-strain relationship of materials. Accurately analyzing the formation process and influencing mechanisms of the refle...
2024, 44(8): 081442.
doi: 10.11883/bzycj-2023-0392
Abstract:
Compared to the reflection and transmission analysis process during the incident wave loading phase, the incident wave plateau phase lasts longer, and the elastic-plastic propagation and evolution behavior are much more complex. The effects of elasti...
Compared to the reflection and transmission analysis process during the incident wave loading phase, the incident wave plateau phase lasts longer, and the elastic-plastic propagation and evolution behavior are much more complex. The effects of elasti...
2024, 44(8): 081443.
doi: 10.11883/bzycj-2023-0449
Abstract:
To study the strength, deformation characteristic and damage mechanism of freeze-thaw treated rock mass under the action of cyclic dynamic disturbance, the cyclic impact tests of freeze-thaw treated red sandstone under two kinds of impact pressure we...
To study the strength, deformation characteristic and damage mechanism of freeze-thaw treated rock mass under the action of cyclic dynamic disturbance, the cyclic impact tests of freeze-thaw treated red sandstone under two kinds of impact pressure we...
2024, 44(8): 081444.
doi: 10.11883/bzycj-2024-0003
Abstract:
In order to study the effects of free surface on underwater explosion shock wave, bubble behavior and water plumes formed by strong coupling between bubble and free surface, a small yield pentaerythritol tetranitrate (PETN) spherical charge near wate...
In order to study the effects of free surface on underwater explosion shock wave, bubble behavior and water plumes formed by strong coupling between bubble and free surface, a small yield pentaerythritol tetranitrate (PETN) spherical charge near wate...
2024, 44(8): 081445.
doi: 10.11883/bzycj-2023-0442
Abstract:
Theoretical study on the attenuation law of underwater explosion shock waves plays a crucial role in predicting the underwater explosion power. The attenuation law of underwater explosion shock waves could be analyzed from the shock waves pressure-ti...
Theoretical study on the attenuation law of underwater explosion shock waves plays a crucial role in predicting the underwater explosion power. The attenuation law of underwater explosion shock waves could be analyzed from the shock waves pressure-ti...
