Abstract

The paper presents numerical simulation of the dynamic loading of a metal transtropic target with steel projectiles of various shapes. Equations of the continuum mechanics are used. The target loading velocities are 300m/sec and 600m/sec. The change of the target material's yield stress in various directions in the process of elastoplastic straining was analysed using the isotropic hardening model. The influence of the effect of an isotropic kinematic hardening on the target's deflected mode when the target is under the impact loading was studied. The behaviour and features of the material's limits of plasticity zones changes distribution when it is tensioned and compressed and when the target is subject to impact loading are shown.

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