1. Research Assistant, Dept. of Aerospace Engineering, Politecnico di Torino, C. Duca degli Abruzzi 24, 10129 Turin, Italy.
2. Assistant Professor, Dept. of Aerospace Engineering, Politecnico di Torino, C. Duca degli Abruzzi 24, 10129 Turin, Italy (corresponding author).
3. Associate Professor, Dept. of Aerospace Engineering, Politecnico di Torino, C. Duca degli Abruzzi 24, 10129 Turin, Italy.