2005 Vol. 25, No. 5
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2005, 25(5): 385-392.
doi: 10.11883/1001-1455(2005)05-0385-08
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Abstract:
To investigate the effects of shear stress to failure wave, series of experiments including oblique planar impact with inclination angle 10 and 15 degree, impact loading velocity ranging from 150 m/s to 400 m/s for K9 glass of central cut sample, are...
To investigate the effects of shear stress to failure wave, series of experiments including oblique planar impact with inclination angle 10 and 15 degree, impact loading velocity ranging from 150 m/s to 400 m/s for K9 glass of central cut sample, are...
2005, 25(5): 393-399.
doi: 10.11883/1001-1455(2005)05-0393-07
Abstract:
Oblique penetration/perforation of metallic plates by rigid projectiles with slender bodies and sharp nose shapes is studied in this paper. The mechanism of ductile hole enlargement dominates in whole penetration procedure. In the present model, the ...
Oblique penetration/perforation of metallic plates by rigid projectiles with slender bodies and sharp nose shapes is studied in this paper. The mechanism of ductile hole enlargement dominates in whole penetration procedure. In the present model, the ...
Investigation on mechanical properties of the composites of aluminum foam containing silicone rubber
2005, 25(5): 400-404.
doi: 10.11883/1001-1455(2005)05-0400-05
Abstract:
The aluminium foam containing silicone rubber was fabricated by infiltrating silicone rubber into the open-cell aluminum foam. The dynamic compressive experiments and quasi-static experiments were conducted on material test system and SHPB, respectiv...
The aluminium foam containing silicone rubber was fabricated by infiltrating silicone rubber into the open-cell aluminum foam. The dynamic compressive experiments and quasi-static experiments were conducted on material test system and SHPB, respectiv...
2005, 25(5): 405-416.
doi: 10.11883/1001-1455(2005)05-0405-12
Abstract:
Cellular detonation in a straight tube was numerically studied, based on two-dimensional reactive Euler equations and detailed chemical reaction model. The 5th order WENO scheme was employed to resolve the convective terms, and the additive semi-impl...
Cellular detonation in a straight tube was numerically studied, based on two-dimensional reactive Euler equations and detailed chemical reaction model. The 5th order WENO scheme was employed to resolve the convective terms, and the additive semi-impl...
2005, 25(5): 417-422.
doi: 10.11883/1001-1455(2005)05-0417-06
Abstract:
The experimental study on arc windshield of fighter subjected to bird impact is presented. In order to understand the influences of boundary conditions and relative parts on dynamic response, the specimens include arc windshields and relative parts o...
The experimental study on arc windshield of fighter subjected to bird impact is presented. In order to understand the influences of boundary conditions and relative parts on dynamic response, the specimens include arc windshields and relative parts o...
2005, 25(5): 423-429.
doi: 10.11883/1001-1455(2005)05-0423-07
Abstract:
The dynamic buckling of the implosion liners driven by magnetic pressure has been investigated experimentally and numerically. The study of the effect of material properties and dimensions and loading currents on liner buckling, using a capacitor ban...
The dynamic buckling of the implosion liners driven by magnetic pressure has been investigated experimentally and numerically. The study of the effect of material properties and dimensions and loading currents on liner buckling, using a capacitor ban...
2005, 25(5): 430-436.
doi: 10.11883/1001-1455(2005)05-0430-07
Abstract:
A non-overlapping frequency approach to analyze the time-frequency characteristics of vibration signals is presented by means of the discretized version of continuous wavelet transform based on a modified L-P (littlewood-paley) wavelet basis function...
A non-overlapping frequency approach to analyze the time-frequency characteristics of vibration signals is presented by means of the discretized version of continuous wavelet transform based on a modified L-P (littlewood-paley) wavelet basis function...
2005, 25(5): 437-444.
doi: 10.11883/1001-1455(2005)05-0437-08
Abstract:
Based on the two-dimensional axisymmetric Euler equations, the initiation and detonation process of CH4/O2/N2 premixed gas induced by reflected focusing shock wave over the parabolic reflector was investigated numerically, using the nonorthogonal ...
Based on the two-dimensional axisymmetric Euler equations, the initiation and detonation process of CH4/O2/N2 premixed gas induced by reflected focusing shock wave over the parabolic reflector was investigated numerically, using the nonorthogonal ...
2005, 25(5): 445-450.
doi: 10.11883/1001-1455(2005)05-0445-06
Abstract:
An investigation of detonation wave diffraction over a divergent nozzle was carried out experimentally and numerically. The experiment was conducted in a detonation tube with double exposure holographic interferometric measurement, which offers bette...
An investigation of detonation wave diffraction over a divergent nozzle was carried out experimentally and numerically. The experiment was conducted in a detonation tube with double exposure holographic interferometric measurement, which offers bette...
2005, 25(5): 451-456.
doi: 10.11883/1001-1455(2005)05-0451-06
Abstract:
Dynamic mechanical behaviors of 45 steel have been studied with the split Hopkinson pressure bar(SHPB) and static material test system over a wide range of strain rates and temperatures. The Johnson-Cook constitutive relationship parameters are deter...
Dynamic mechanical behaviors of 45 steel have been studied with the split Hopkinson pressure bar(SHPB) and static material test system over a wide range of strain rates and temperatures. The Johnson-Cook constitutive relationship parameters are deter...
2005, 25(5): 457-460.
doi: 10.11883/1001-1455(2005)05-0457-04
Abstract:
The influence of the modal dispersion of a signal fiber on velocity measurement in VISAR is theoretically analyzed and discussed in detail. A mathematical analysis model about the interfering contrast decreased by model dispersion is set up. The disp...
The influence of the modal dispersion of a signal fiber on velocity measurement in VISAR is theoretically analyzed and discussed in detail. A mathematical analysis model about the interfering contrast decreased by model dispersion is set up. The disp...
2005, 25(5): 461-466.
doi: 10.11883/1001-1455(2005)05-0461-06
Abstract:
In order to get the damage mode and resist character of spacecraft shield structure by the high-velocity impact of space debris, a two-stage light gas gun with non-powder projection was used to launch Al-sphere projectiles impacting on aluminum alloy...
In order to get the damage mode and resist character of spacecraft shield structure by the high-velocity impact of space debris, a two-stage light gas gun with non-powder projection was used to launch Al-sphere projectiles impacting on aluminum alloy...
2005, 25(5): 467-471.
doi: 10.11883/1001-1455(2005)05-0467-05
Abstract:
By using one-dimensional finite different hydrodynamic code coupled with four spall models, spall in ductile metal has been studied. Numerical simulation results indicate that: (1)Cut-off model and simple damage accumulation model can qualitatively d...
By using one-dimensional finite different hydrodynamic code coupled with four spall models, spall in ductile metal has been studied. Numerical simulation results indicate that: (1)Cut-off model and simple damage accumulation model can qualitatively d...
2005, 25(5): 472-476.
doi: 10.11883/1001-1455(2005)05-0472-05
Abstract:
The process of explosives (wrapped coarse granule TNT, =1.547 g/cm3) shock initiation and extinguishment was experimentally investigated and analyzed by Lagrange method in the case of small partition assay. The state equations of explosive and reacti...
The process of explosives (wrapped coarse granule TNT, =1.547 g/cm3) shock initiation and extinguishment was experimentally investigated and analyzed by Lagrange method in the case of small partition assay. The state equations of explosive and reacti...
2005, 25(5): 477-480.
doi: 10.11883/1001-1455(2005)05-0477-04
Abstract:
The meshing method of spherical fragment penetrating target by LS-DYNA is introduced. With the material models of tungsten spherical fragment and LY-12 aluminum alloy target, simulation analysis of spherical fragments penetrating at different initial...
The meshing method of spherical fragment penetrating target by LS-DYNA is introduced. With the material models of tungsten spherical fragment and LY-12 aluminum alloy target, simulation analysis of spherical fragments penetrating at different initial...
