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We investigate the problem of determining a shape of the impactor that provides the minimum ballistic limit velocity against fiber-reinforced plastic laminates, using a simplified model. The suggested approach accounts for the non-unique choice of the phenomenological parameter of the model and for the comparatively weak variation of the optimization criterion in the vicinity of the optimum. Using...
A model is proposed to describe the penetration of a monolithic semi-infinite FRP laminate struck transversely by a rigid projectile with an arbitrary shape. The shape of the impactor that penetrates at a given depth of penetration (DOP) with the minimum impact velocity is found by the use of a numerical procedure for solving a corresponding non-classical variational problem. It is shown that the...
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