The effect of yaw on the penetration of rigid rods

Vayig, Y.; Rosenberg, Z.

doi:10.1016/j.ijimpeng.2020.103748

Cited by 9 publications

(1 citation statement)

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“…This may be the reason for the small difference which was found above for the trajectory changes in these targets (see Figure 6). One should also note that the same non-dimensional parameter ( A ) as defined above, was found by Vayig and Rosenberg (2021) to be the normalizing parameter for the yawed impact of rigid rods at metallic targets.…”

Section: The Proposed Modelmentioning

confidence: 66%

The penetration and ricochet of ogive-nosed rigid projectiles obliquely impacting metallic targets

Vayig

Rosenberg

2021

International Journal of Protective Structures

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A large number of 3D numerical simulations were performed in order to follow the trajectory changes of rigid CRH3 ogive-nosed projectiles, impacting semi-infinite metallic targets at various obliquities. These trajectory changes are shown to be related to the threshold ricochet angles of the projectile/target pairs. These threshold angles are the impact obliquities where the projectiles end up moving in a path parallel to the target’s face. They were found to depend on a non-dimensional entity which is equal to the ratio between the target’s resistance to penetration and the dynamic pressure exerted by the projectile upon impact. Good agreement was obtained by comparing simulation results for these trajectory changes with experimental data from several published works. In addition, numerically-based relations were derived for the penetration depths of these ogive-nosed projectiles at oblique impacts, which are shown to agree with the simulation results.

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Section: The Proposed Modelmentioning

confidence: 66%