EPJ Web Conf.
Volume 250, 2021DYMAT 2021 - 13th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|Number of page(s)||6|
|Published online||09 September 2021|
Optimisation of ballistic protection systems based on impact test/simulation correlation
Institut Clément Ader, Université de Toulouse, ISAE-SUPAERO, MINES ALBI, UPS, INSA, CNRS, Toulouse, France.
2 Laboratoire Génie de Production, Ecole Nationale d’Ingénieurs de Tarbes, Tarbes, France.
3 CNIM Systèmes Industriels, La Seyne-sur-Mer, France.
* Corresponding author: email@example.com
Published online: 9 September 2021
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.
© The Authors, published by EDP Sciences, 2021
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