NUMERICAL SIMULATION OF THE DEFORMATION OF AN OCTOGENE-BASED EXPLOSIVE UNDER LOW-VELOCITY LOADING CONDITIONS USING GODUNOV'S METHOD
O. M. Velichko
VANT. Ser.: Mat. Mod. Fiz. Proc 2018. Вып.1. С. 42-53.
The paper presents a viscoelastic model of medium with the kinetics of fracturing due to shear stresses, which has been implemented using Godunov’s method. The algorithm is based on the coupled method of solving the differential equations of hydroelasticity and Riemann problem in a hydroelastic environment. The paper also presents results of the computational model application to solve the problem of a steel ball colliding with a cylindrical sample of lazy octogene and the problem of deforming an explosive in experiments with Hopkinson's compound rods. Keywords: explosive, deformation and rupture, viscoelastic model with fractures, Godunov's method, numerical simulation.
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English
