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Special features of high-speed projectile interaction with barriers protected by a water layer

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The stress–strain state (SSS) of projectiles is investigated when a high-speed projectile enters water and interacts with barriers protected by a water layer. Experimental investigations are carried out using a high-speed ballistic setup. Calculations are performed within the framework of mechanics of continuous media for an elastic plastic model of a solid with allowance for fracture and hydrodynamic water model. Depending on the projectile speed, different SSS regimes are observed: from small deformed at a speed of ≈1 km/s to fractured at a speed of ≈2 km/s. Calculation technique allows distances in water to be determined at which the metal barrier can be punched for the inertial model.

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Correspondence to E. V. Evtyushkin.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 8–15, April, 2013.

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Afanas’eva, S.A., Belov, N.N., Burkin, V.V. et al. Special features of high-speed projectile interaction with barriers protected by a water layer. Russ Phys J 56, 370–377 (2013). https://doi.org/10.1007/s11182-013-0044-2

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  • DOI: https://doi.org/10.1007/s11182-013-0044-2

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