Abstract
The deformable composite structures subjected to water-entry impact can be caused a phenomenon called hydroelastic effect, which can modified the fluid flow and estimated hydrodynamic loads comparing with rigid body. This is considered very important for ship design engineers to predict the global and the local hydrodynamic loads. This paper presents a numerical model to simulate the slamming water impact of flexible composite panels using an explicit finite element method. In order to better describe the hydroelastic influence and mechanical properties, composite materials panels with different stiffness and under different impact velocities with deadrise angle of 100 have been studied. In the other hand, the inertia effect was observed in the early stage of the impact that relative to the loading rate. Simulation results have been indicated that the lower stiffness panel has a higher hydroelastic effect and becomes more important when decreasing of the deadrise angle and increasing the impact velocity. Finally, the simulation results were compared with the experimental data and the analytical approaches of the rigid body to describe the behavior of the hydroelastic influence.
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Hassoon, O.H., Tarfaoui, M., El Moumen, A. et al. Numerical Evaluation of Dynamic Response for Flexible Composite Structures under Slamming Impact for Naval Applications. Appl Compos Mater 25, 689–706 (2018). https://doi.org/10.1007/s10443-017-9646-0
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DOI: https://doi.org/10.1007/s10443-017-9646-0