Abstract
A laboratory methodology is proposed, which allows to evaluate the evolution of intralaminar and interlaminar damage, for the hull of vessels built with reinforced polymer and fiberglass - (GFRP) modified viscoelastically, subjected to low energy impacts reproducing the blow of slamming during your navigation at half speed. The method proposes the reproduction of the phenomenon with the equipment designed for this purpose, analyzing the energy absorbed and the energy returned based on the results obtained by vertical impacts of the same energy level. Interlaminar and intralaminar delaminations are visually appreciated and correlated with the results obtained through the use of image analysis software. The deformations have been evaluated with strain gauges supported by the respective mathematical formulation. The advances in the use of new generation viscoelastic layers and their future perspectives are shown.
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