2006 Vol. 26, No. 1
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2006, 26(1): 1-6.
doi: 10.11883/1001-1455(2006)01-0001-06
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Abstract:
Three-dimensional (3D) numerical simulations of impact and perforation of concrete targets by projectiles have been performed by incorporating FEM with SPH algorithm. The projectile is divided into quadrilateral elements, and the concrete target is d...
Three-dimensional (3D) numerical simulations of impact and perforation of concrete targets by projectiles have been performed by incorporating FEM with SPH algorithm. The projectile is divided into quadrilateral elements, and the concrete target is d...
2006, 26(1): 7-11.
doi: 10.11883/1001-1455(2006)01-0007-05
Abstract:
The ability to accelerate metal plates of aluminized explosives containing micrometer and nanometer aluminum powder has been investigated experimentally with a VISAR interferometer. In the case of nanometer aluminum powder, the free surface velocity ...
The ability to accelerate metal plates of aluminized explosives containing micrometer and nanometer aluminum powder has been investigated experimentally with a VISAR interferometer. In the case of nanometer aluminum powder, the free surface velocity ...
2006, 26(1): 12-20.
doi: 10.11883/1001-1455(2006)01-0012-09
Abstract:
In order to investigate the dynamic tension strength of rocks, the flattened Brazilian disc specimens were subjected to diametral impact with different projectile speeds by using the split Hopkinson pressure bar (SHPB) of 100 mm in diameter where a t...
In order to investigate the dynamic tension strength of rocks, the flattened Brazilian disc specimens were subjected to diametral impact with different projectile speeds by using the split Hopkinson pressure bar (SHPB) of 100 mm in diameter where a t...
2006, 26(1): 21-26.
doi: 10.11883/1001-1455(2006)01-0021-06
Abstract:
Integrated armors, including reactive armors, and composite ceramic armors, have better protection performances. According to the theory of the long rod impacting on composite armors and the momentum theorem for impact on reactive armors, a calculati...
Integrated armors, including reactive armors, and composite ceramic armors, have better protection performances. According to the theory of the long rod impacting on composite armors and the momentum theorem for impact on reactive armors, a calculati...
2006, 26(1): 27-32.
doi: 10.11883/1001-1455(2006)01-0027-06
Abstract:
Based on a Ruby-laser schlieren system, the flow-field of detonation diffraction in a bifurcated tube has been experimentally studied. By employing the ruby laser and a bandpass filter of 15 nm FWHM, the combustion luminescence was successfully remov...
Based on a Ruby-laser schlieren system, the flow-field of detonation diffraction in a bifurcated tube has been experimentally studied. By employing the ruby laser and a bandpass filter of 15 nm FWHM, the combustion luminescence was successfully remov...
2006, 26(1): 33-38.
doi: 10.11883/1001-1455(2006)01-0033-06
Abstract:
A two-dimensional nonlinear mass-spring-bar model is presented in this paper to simulate the deformation of metallic foams with heterogeneous density in layers or in local regions. The metallic foam is modeled as an array of discrete lump masses link...
A two-dimensional nonlinear mass-spring-bar model is presented in this paper to simulate the deformation of metallic foams with heterogeneous density in layers or in local regions. The metallic foam is modeled as an array of discrete lump masses link...
2006, 26(1): 39-45.
doi: 10.11883/1001-1455(2006)01-0039-07
Abstract:
This paper presents an experimental investigation on the dynamic buckling of a Kiewitt8 single-layer reticulated shell model under drop hammer impact. The history curves of impact actions and axial forces were measured. The impact buckling modes and ...
This paper presents an experimental investigation on the dynamic buckling of a Kiewitt8 single-layer reticulated shell model under drop hammer impact. The history curves of impact actions and axial forces were measured. The impact buckling modes and ...
2006, 26(1): 46-52.
doi: 10.11883/1001-1455(2006)01-0046-07
Abstract:
The compressive deformation behavior of open-celled aluminum foams with different densities and morphologies was tested under quasi-static and dynamic loading conditions. High strain rate experiments were conducted using a split Hopkinson pressure ba...
The compressive deformation behavior of open-celled aluminum foams with different densities and morphologies was tested under quasi-static and dynamic loading conditions. High strain rate experiments were conducted using a split Hopkinson pressure ba...
2006, 26(1): 53-58.
doi: 10.11883/1001-1455(2006)01-0053-06
Abstract:
A smoothed particle hydrodynamics (SPH) algorithm based on the Riemann solution has been presented in this paper. The improved SPH algorithm is applied to simulate the 2D axisymmetrical impact of projectiles on thin target plates. The effects of plat...
A smoothed particle hydrodynamics (SPH) algorithm based on the Riemann solution has been presented in this paper. The improved SPH algorithm is applied to simulate the 2D axisymmetrical impact of projectiles on thin target plates. The effects of plat...
2006, 26(1): 59-64.
doi: 10.11883/1001-1455(2006)01-0059-06
Abstract:
The dynamic response of two-walled long pressure vessels with flat-wound ribbons subjected to an internal pressure with rectangular shape has been analyzed with the rigid-plastic model. The models of plastic deformation are given under middle and hig...
The dynamic response of two-walled long pressure vessels with flat-wound ribbons subjected to an internal pressure with rectangular shape has been analyzed with the rigid-plastic model. The models of plastic deformation are given under middle and hig...
2006, 26(1): 65-70.
doi: 10.11883/1001-1455(2006)01-0065-06
Abstract:
Under the conservative scheme, flux components are reconstructed with the component by component versions. Then the quasi-linear systems are solved by the multiple WENO reconstruction based on the 1st order up wind scheme. The level set equation is u...
Under the conservative scheme, flux components are reconstructed with the component by component versions. Then the quasi-linear systems are solved by the multiple WENO reconstruction based on the 1st order up wind scheme. The level set equation is u...
2006, 26(1): 71-78.
doi: 10.11883/1001-1455(2006)01-0071-08
Abstract:
The mechanics problem in structural design of earth penetrating weapons (EPW) has been presented in this paper. There exists a maximum penetration depth for a pure KE projectile when its geometric configuration and impact conditions are specified. Ho...
The mechanics problem in structural design of earth penetrating weapons (EPW) has been presented in this paper. There exists a maximum penetration depth for a pure KE projectile when its geometric configuration and impact conditions are specified. Ho...
2006, 26(1): 79-83.
doi: 10.11883/1001-1455(2006)01-0079-05
Abstract:
The dynamic buckling in single-wall carbon nanotubes subjected to impact torque loading has been investigated with a continum model. A single-wall carbon nanotube can be modeled as an elastic cylindrical shell of semi-infinite length. The dynamic buc...
The dynamic buckling in single-wall carbon nanotubes subjected to impact torque loading has been investigated with a continum model. A single-wall carbon nanotube can be modeled as an elastic cylindrical shell of semi-infinite length. The dynamic buc...
2006, 26(1): 84-90.
doi: 10.11883/1001-1455(2006)01-0084-07
Abstract:
Based on the uncoupled fluid-structure interaction theory, a numerical model has been proposed to study the fracture mechanism of rocks under water jet impact. The jet flow characteristics and the stress distributions in the system are calculated wit...
Based on the uncoupled fluid-structure interaction theory, a numerical model has been proposed to study the fracture mechanism of rocks under water jet impact. The jet flow characteristics and the stress distributions in the system are calculated wit...
2006, 26(1): 91-96.
doi: 10.11883/1001-1455(2006)01-0091-06
Abstract:
The factors to affect the momentum partition and transition of stress waves passing an interface of two media have been analysed in this paper. In order to adjust the amplitude and width of the stress impulse in targets, the dependence of velocity an...
The factors to affect the momentum partition and transition of stress waves passing an interface of two media have been analysed in this paper. In order to adjust the amplitude and width of the stress impulse in targets, the dependence of velocity an...
