2005 Vol. 25, No. 6
Display Method:
2005, 25(6): 481-486.
doi: 10.11883/1001-1455(2005)06-0481-06
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Abstract:
This paper discusses the propagation of one-dimensional stress waves in a viscoplastic bar with variable section. Based on the constitutive relation theory which includes internal variables, combining with the characteristic relations and the jump co...
This paper discusses the propagation of one-dimensional stress waves in a viscoplastic bar with variable section. Based on the constitutive relation theory which includes internal variables, combining with the characteristic relations and the jump co...
2005, 25(6): 487-492.
doi: 10.11883/1001-1455(2005)06-0487-06
Abstract:
The Hopkinson bar technique with a furnace and a driving mechanism is utilized to determine the dynamic property of materials at elevated temperature and high strain rates. The specimen is heated by a furnace independently. While the temperature in s...
The Hopkinson bar technique with a furnace and a driving mechanism is utilized to determine the dynamic property of materials at elevated temperature and high strain rates. The specimen is heated by a furnace independently. While the temperature in s...
2005, 25(6): 493-498.
doi: 10.11883/1001-1455(2005)06-0493-06
Abstract:
The numerical simulation of penetration of a functionally graded armour made from Aluminum alloy reinforced by SiC particle was performed. The SiC particle volume fraction varies continuously along the armour thickness followed a power law. The four ...
The numerical simulation of penetration of a functionally graded armour made from Aluminum alloy reinforced by SiC particle was performed. The SiC particle volume fraction varies continuously along the armour thickness followed a power law. The four ...
2005, 25(6): 499-505.
doi: 10.11883/1001-1455(2005)06-0499-07
Abstract:
The assumption of rigid projectile is usually employed to study the penetration/perforation of EPW. It is well known that only two dimensionless numbers, i.e., the impact function I and the geometry function of projectile N, dominate the whole penetr...
The assumption of rigid projectile is usually employed to study the penetration/perforation of EPW. It is well known that only two dimensionless numbers, i.e., the impact function I and the geometry function of projectile N, dominate the whole penetr...
2005, 25(6): 506-511.
doi: 10.11883/1001-1455(2005)06-0506-06
Abstract:
A discrete multilayered explosion containment vessel (DMECV) mainly consists of covers, inner shell and steel ribbon layers crossly helically wound on the inner shell. Three DMECV with the same materials and dimensions except helical winding angle we...
A discrete multilayered explosion containment vessel (DMECV) mainly consists of covers, inner shell and steel ribbon layers crossly helically wound on the inner shell. Three DMECV with the same materials and dimensions except helical winding angle we...
2005, 25(6): 512-518.
doi: 10.11883/1001-1455(2005)06-0512-07
Abstract:
Detailed chemical reaction model and finite volume method are used to numerically investigate detonation direct initiation induced by the toroidal shock wave focusing in combustible gas mixture. Numerical results show that detonation direct initiatio...
Detailed chemical reaction model and finite volume method are used to numerically investigate detonation direct initiation induced by the toroidal shock wave focusing in combustible gas mixture. Numerical results show that detonation direct initiatio...
2005, 25(6): 519-527.
doi: 10.11883/1001-1455(2005)06-0519-09
Abstract:
The recent results of dynamical experiments of uni-axile compression, tension and planar impact on concrete are concluded. Several representative constitutive models such as J-H, Forrestal, RHT and Malvar which recently used in numerical simulation o...
The recent results of dynamical experiments of uni-axile compression, tension and planar impact on concrete are concluded. Several representative constitutive models such as J-H, Forrestal, RHT and Malvar which recently used in numerical simulation o...
2005, 25(6): 528-535.
doi: 10.11883/1001-1455(2005)06-0528-08
Abstract:
By means of wavelet transform (WT) and Hilbert-Huang Transform (HHT), a practical blasting vibration signal was analyzed and the presented results show that both WT and HHT are efficient ways for analyzing and processing non-stationary signals, and c...
By means of wavelet transform (WT) and Hilbert-Huang Transform (HHT), a practical blasting vibration signal was analyzed and the presented results show that both WT and HHT are efficient ways for analyzing and processing non-stationary signals, and c...
2005, 25(6): 536-540.
doi: 10.11883/1001-1455(2005)06-0536-05
Abstract:
The design of focused fragmentation warhead is generally based on the detonation test in the static situation. In actual combat, because of the warhead velocity relative to the target and the fragments initial velocity gradient in existence along the...
The design of focused fragmentation warhead is generally based on the detonation test in the static situation. In actual combat, because of the warhead velocity relative to the target and the fragments initial velocity gradient in existence along the...
2005, 25(6): 541-546.
doi: 10.11883/1001-1455(2005)06-0541-06
Abstract:
Accident of two phase release frequently happens in the chemical, petrochemical and petroleum industry. So accidental release of toxic or flammable chemicals were concerned. In this paper, an Eulerian-Lagrangian approach with two-way coupling was ado...
Accident of two phase release frequently happens in the chemical, petrochemical and petroleum industry. So accidental release of toxic or flammable chemicals were concerned. In this paper, an Eulerian-Lagrangian approach with two-way coupling was ado...
2005, 25(6): 547-552.
doi: 10.11883/1001-1455(2005)06-0547-06
Abstract:
According to the structure of aircraft carrier and existing anti-ship missile warhead, the structural target with ribbings and experimental semi-armor-piercing warhead were designed with geometer similar principle. The processes of warhead penetratin...
According to the structure of aircraft carrier and existing anti-ship missile warhead, the structural target with ribbings and experimental semi-armor-piercing warhead were designed with geometer similar principle. The processes of warhead penetratin...
2005, 25(6): 553-558.
doi: 10.11883/1001-1455(2005)06-0553-06
Abstract:
The method to calculate the start point of transmitted wave and reflected wave relative to incident wave is acquired, based on the assumption of one-dimensional stress used in SHPB experiment. This method not only makes the result of SHPB experiment ...
The method to calculate the start point of transmitted wave and reflected wave relative to incident wave is acquired, based on the assumption of one-dimensional stress used in SHPB experiment. This method not only makes the result of SHPB experiment ...
2005, 25(6): 559-563.
doi: 10.11883/1001-1455(2005)06-0559-05
Abstract:
The dynamic response and failure behavior of AOW rock subjected to tensile loads has been studied experimentally. With the help of an one-stage light gas gun, the AOW rock samples, which were subjected to the plane plate impact by PMMA flyer with dif...
The dynamic response and failure behavior of AOW rock subjected to tensile loads has been studied experimentally. With the help of an one-stage light gas gun, the AOW rock samples, which were subjected to the plane plate impact by PMMA flyer with dif...
2005, 25(6): 564-568.
doi: 10.11883/1001-1455(2005)06-0564-05
Abstract:
Influence of the optical fiber dispersion and loss on the transmission of fiber-optic pin signals has been estimated in theory. The influence has been measured by experiment. Four optic fibers of different lengths have been used in this experiment. T...
Influence of the optical fiber dispersion and loss on the transmission of fiber-optic pin signals has been estimated in theory. The influence has been measured by experiment. Four optic fibers of different lengths have been used in this experiment. T...
2005, 25(6): 569-573.
doi: 10.11883/1001-1455(2005)06-0569-05
Abstract:
The numerical simulation of explosion in concrete with the hydro-code AUTODYN-2D has been presented. The effects on different method and different mesh size in numerical simulation are studied. With the detail example, the maximum shock pressure of c...
The numerical simulation of explosion in concrete with the hydro-code AUTODYN-2D has been presented. The effects on different method and different mesh size in numerical simulation are studied. With the detail example, the maximum shock pressure of c...
2005, 25(6): 574-576.
doi: 10.11883/1001-1455(2005)06-0574-03
Abstract:
Model 1000 Ultra-high speed Rotating Mirror Camera is a synchronised camera. It has framing rate from 2106 to 1107 fps, number of frames 160, frame size 7.5 mm10 mm, photographic dynamic resolution 15 mm-1. By use of a field lens located at the image...
Model 1000 Ultra-high speed Rotating Mirror Camera is a synchronised camera. It has framing rate from 2106 to 1107 fps, number of frames 160, frame size 7.5 mm10 mm, photographic dynamic resolution 15 mm-1. By use of a field lens located at the image...
