Simulation of underwater shaped charge jet formation and …
Mar 1, 2024 · We developed an accurate Riemann-ULPH method to model shaped charge jet formation. The coupled Riemann-ULPH and Peridynamics method can SCJ penetration of metal plates. The method can predict fracture and inelastic deformation during jet penetration.
Study on the formation characteristics of underwater …
Dec 13, 2024 · In this paper, we introduced a modified forming theory of an underwater hemispherical shaped charge, and investigated the behavior of jet formation and concrete penetration in both air and water experimentally and numerically.
Characterization of Underwater Explosive Loads of Blasting and Shaped …
May 24, 2024 · The full physical process of a typical underwater explosion of a sphere/column blasting charge and a shaped charge was simulated using the Eulerian method. The loading characteristics of the underwater blast shock wave and bubble, as …
Application of a new type of annular shaped charge in penetration …
Jan 1, 2022 · A new type of annular shaped charge was applied in the damage into underwater structures. In order to investigate the penetration efficiency of the annular shaped charge, underwater tests of double-hull subjected to annular and …
Underwater Damage Effect of Shaped Charges with Different …
Dec 19, 2021 · The results show that a large amount of detonation energy is consumed during the forming process of the shaped-charge penetrator, which greatly reduces the power of the blasting effect of the underwater explosion of the charge.
Energy output of shaped charge in underwater explosion
6 days ago · Therefore, investigating the energy output structure of shaped charges in the context of underwater explosions (UNDEX) is of great importance. First, this research conducts an experimental and numerical study of the UNDEX energy output structure of hexogen blasting and shaped charges. The scaling effect of shaped charges on UNDEX was analyzed.
A practical review study on shaped charge in the last two …
Jun 6, 2021 · Shaped charges are devices used for cutting or penetrating different aerial, on land, and underwater targets, based on the concentration of the explosion energy to the liner. The purpose of this study is to present a practical review of the studies related to shaped charges in the last twenty years (2000–2020).
Underwater Explosion Damage Mechanisms and Protection of
Apr 25, 2024 · To improve the protection capability of double-hull submarines, the paper established a near-field underwater explosion model for shaped charge using the CEL method. The properties of shock waves, high-speed shaped charge projectile and bubble on multilayered structure were analyzed.
Blasting and shaped charges are the main forms of underwater weapons, and their near-field underwater explosions (UNDEX) can severely damage structures. Therefore, it is of great importance to study underwater explosive load characteristics of different forms of charges.
shaped charges. The shaped charge was extensively used in World War n for penetration of hardened targets, i.e., tank armor, bunkers, and fuel storage containers.