1. Assistant Professor, Dept. of Civil and Building Engineering and Architecture, Univ. Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy (corresponding author).
2. Research Scientist, CNR-INSEAN (National Research Council–The Italian Ship Model Basin), Via di Vallerano 139, 00128 Rome, Italy.
3. Associate Professor, Dept. of Civil and Building Engineering and Architecture, Univ. Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy.