[1] Univ Brescia, Dept Mech & Ind Engn, Via Branze 38, I-25133 Brescia, Italy
[2] Univ Bologna, Dept Ind Chem Toso Montanari, Viale Risorgimento 4, I-40136 Bologna, Italy
[3] Politecn Torino, Dept Appl Sci & Technol, Corso Duca Abruzzi 24, I-10129 Turin, Italy
[4] Univ Pavia, Dept Civil Engn & Architecture, Via Ferrata 3, I-27100 Pavia, Italy