1. Full Professor, Mediterranean Univ., Dept. Mechanics and Materials, Natural Ocean Engineering Laboratory, Location Feo di Vito, 89122 Reggio Calabria, Italy (corresponding author).
2. Full Professor, Mediterranean Univ., Dept. Mechanics and Materials, Natural Ocean Engineering Laboratory, Location Feo di Vito, 89122 Reggio Calabria, Italy.
3. Researcher, Mediterranean Univ., Dept. Mechanics and Materials, Natural Ocean Engineering Laboratory, Location Feo di Vito, 89122 Reggio Calabria, Italy.
4. Associate Professor, Mediterranean Univ., Dept. Mechanics and Materials, Natural Ocean Engineering Laboratory, Location Feo di Vito, 89122 Reggio Calabria, Italy.