Effect of Fragmenting Buried High Explosive Projectile (152MM HE FRAG OF-540) on Military Ground Vehicles

Babu, Venkatesh; Kankanalapalli, Sanjay; Vunnam, Madanmohan

doi:10.12783/ballistics2019/33247

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Method: Analysis and Derivation Of Anew Equation1

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2021

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“…However, providing the simulations obey the laws of physics, for the casing and the explosive, they can provide a possible indication. Kong et al’s 31 and Babu et al’s 32 simulations give examples of an exploding cylindrical warhead and indicate that long axial fragments are first formed by the explosion. A paper by Cullis et al 33 provides a high-speed photograph that indicates major cracks along the full length of the thick walled cylinder can be observed.…”

Section: Method: Analysis and Derivation Of Anew Equationmentioning

confidence: 99%

Real-time calculation of the initial angle of projection for fragments in cylindrical warheads

Felix

Colwill

Harris

2021

Journal of Defense Modeling & Simulation

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This paper presents an improvement in the speed and accuracy of calculating the initial angle of projection of fragments for exploding cylindrical shells. It is a fast tool that can be used by designers, where existing approaches, such as computationally intensive Finite Element Analysis, are preventively slow. An enhanced Taylor equation is presented using available experimental data and the effect of the changing shape of the warhead’s cylindrical casing on the fragment’s initial projection angle. The resulting equation is computationally fast as it uses uncomplicated equations and provides improved accuracy for estimating a fragment’s initial angle of projection in comparison to existing work.

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Section: Method: Analysis and Derivation Of Anew Equationmentioning

confidence: 99%