FRICTION MODELING IN SIMULATING BALLISTIC IMPACT. A REVIEW
Journal: Proceedings on Engineering Sciences (Vol.1, No. 1)Publication Date: 2019-06-30
Authors : George Ghiocel OJOC Catalin PIRVU Simona BADEA Lorena DELEANU;
Page : 154-167
Keywords : friction coefficient; impact velocity;
Abstract
This paper presents a review on using friction coefficient in modelling ballistic impact. The are discussed on friction introduced in modelling the impact at different levels: micro (fiber and yarns), meso (woven or unidirectional fabrics) and macro (layered or equivalent monoblock structures). Recent works simulating the impact projectile - target, done at different levels (micro, meso, macro) pointed out the influence of friction coefficient between bodies in contact. In all cited references, the friction coefficient is kept constant, even if experimental studies proved that it has different values for different sliding speeds, especially for contact metal - polymer as in the impact of aramid fabric armor.
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