7 articles in this issue
H Iyama,Y Higa,M Nishi,S Itoh
The explosive forming is a characteristic method. An underwater shock wave is generated by underwater explosion of an explosive. A metal plate is affected high strain rate by the shock loading and is formed along a metal die. Although this method has the ... see more
Y Higa,H Iyama,K Shimojima,M Nishi,S Itoh
To clarify the shock characteristics of Okinawa’s unique soils “Jahgaru” that is widely distributed in southern part of Okinawa Main Island, an experimental investigation of dynamics properties such as shockwave propagation, pressure and particle velocity... see more
M Katayama,A Abe,A Takeba
This paper ascertains that the bilinear shock Hugoniot equation of state (EOS) can model the plasticizing process of the porous media like concrete material for high-velocity impact problems successfully. The negative slope of the bilinear Hugoniot for lo... see more
I Balagansky,A Vinogradov,L Merzhievsky
Under explosion collapse of two-layer tubes with an outer layer of high-modulus ceramics and an inner layer of copper, formation of a fast and dense copper jet is plausible. We have performed a numerical simulation of the explosion collapse of a two-layer... see more
C Wang,W Xu,Y Bi
To investigate the influence of liner material, charge diameter and standoff on explosively formed projectile (EFP) penetrating into multi-layer targets, a large number of experiments were performed and the experimental data on crater diameter, hole diame... see more
C Wang,W Xu,T Li
Experiments on penetrating into concrete and pebble layered targets were performed by shaped charge with different cone angles, liner wall thicknesses, length to diameter ratios and charge diameters at different standoffs. Based on the experimental data, ... see more
J Feng,P Chen,Q Zhou,K Dai,E An,Y Yuan
In order to investigate the mechanism of explosive welding and the influences of explosive welding parameters on the welding quality, this paper presents numerical simulation of the explosive welding of Al-Mg plates using Smoothed Particle Hydrodynamics m... see more