REPUBLIC OF SERBIA

MINISTRY OF DEFENCE

www.mod.gov.rs

MINISTRY OF DEFENCE

Material Resources Sector

Defensive Technologies Department

Military Technical Institute

www.vti.mod.gov.rs

NUMERICAL AND ANALYTICAL APPROACH TO THE MODELING OF EXPLOSIVELY FORMED PROJECTILES

Miloš marković

University of Belgrade – Faculty of Mechanical Engineering, Weapon Systems Department, mdmarkovic@mas.bg.ac.rs

Predrag ELEK

University of Belgrade – Faculty of Mechanical Engineering, Weapon Systems Department, pelek@mas.bg.ac.rs

SLOBODAN JARAMAZ

University of Belgrade – Faculty of Mechanical Engineering, Weapon Systems Department, sjaramaz@mas.bg.ac.rs

MOMČILO MILINOVIĆ

University of Belgrade – Faculty of Mechanical Engineering, Weapon Systems Department, mmilinovic@mas.bg.ac.rs

DEJAN MICKOVIĆ

University of Belgrade – Faculty of Mechanical Engineering, Weapon Systems Department, dmickovic@mas.bg.ac.rs

Abstract: This paper presents numerical and analytical approach calculations of EFP (Explosively Formed Projectiles) performances. The aim is to show the formation of EFP on the warheads with and without covers in order to represent cover influences on EFP initial velocities. Based on the numerical and analytical results, the discussion regarding forming dynamics, energies, projectile shapes and initial velocities has been provided. The results obtained by the experimental method are compared with numerical and analytical data.

Keywords: explosively formed projectiles, numerical simulation, analytical method, explosive propulsion.