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The impact of projectiles in reinforced or unreinforced concrete is of prime importance in applied mechanics and engineering. Parameters such as penetration depth, velocity or energy of the projectile, and the geometry and the angle of attack of the projectile are the most critical factors, among several others, that determine whether the concrete body will tolerate damage due to the impact or not. For numerical simulations of damage, the Riedel-Hiermaier-Thoma (RHT) concrete failure is an established approach, which is also used in this research. In this work, numerical simulations have been performed on shooting a rigid large-scale projectile with different tip contours at a concrete target that is reinforced with steel. For each tip contour, the angle of attack varied. The penetration depth of the projectile tip and the damage of the target were reported for the different tip contours as a function of the angle of attack. The results show that the maximal damage occurred at ~45° of the angle of attack, while penetration of the projectile into the target increased with increasing the angle of attack.

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Simulation of the Effects of Angle of Attack and Projectile Contour in Damage Development in Reinforced Concrete

Jurecs

Tabei

2021

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Energy absorbing cab guards for log trucks

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Simulation of the Effects of Angle of Attack and Projectile Contour in Damage Development in Reinforced Concrete

Simulation of the Effects of Angle of Attack and Projectile Contour in Damage Development in Reinforced Concrete

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