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Optimisation of ballistic protection systems based on impact test/simulation correlation

Abstract : The complexity of ballistic protections increases with their efficiency. On this basis, an exclusively empirical approach is not adapted to optimise complex protection systems and the resort to numerical simulations is preferred if not mandatory. The present study proposes a methodology aiming at optimising complex multi-layer ballistic armours based on an experimental-numerical correlation. A multi-layer system is taken as example. A numerical model is first calibrated according to impact-on-monolithic-target test results. Once the model is validated, an optimisation process considering multi-layer configurations involving a sharp-nosed threat modifies the plates' thicknesses in order to minimise the total mass while ensuring the system's protective capacity in terms of residual velocity. The optimisation process shows that a single layer system is more efficient than a multi-layer one in the studied case.
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https://hal.archives-ouvertes.fr/hal-03351092
Contributor : Patrice Longère Connect in order to contact the contributor
Submitted on : Tuesday, September 21, 2021 - 10:39:03 PM
Last modification on : Tuesday, October 19, 2021 - 11:17:38 PM
Long-term archiving on: : Wednesday, December 22, 2021 - 7:27:50 PM

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Yohan Cosquer, Patrice Longère, Olivier Pantalé, Claude Gailhac. Optimisation of ballistic protection systems based on impact test/simulation correlation. DYMAT 2021 - 13th International Conference on Mechanical and Physical Behaviour of Materaisl Under Dynamic Loading - Madrid (Spain) - Sept.19-24, 2021, Sep 2021, Madrid, Spain. ⟨10.1051/epjconf/202125004001⟩. ⟨hal-03351092⟩

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