1. Ph.D. Student, Dept. of Aeronautical and Vehicle Engineering, KTH Royal Institute of Technology, Teknikringen 8, SE 100 44 Stockholm, Sweden.
2. Structural Manager, Kayser Italia S.r.l., Via di Popogna, 501, 57124 Livorno, Italy.
3. Mechanical Engineer, Kayser Italia S.r.l., Via di Popogna, 501, 57124 Livorno, Italy.
4. Associate Professor, Alfvén Laboratory, KTH Royal Institute of Technology, Teknikringen 31, SE 100 44 Stockholm, Sweden.
5. Associate Professor, Dept. of Aeronautical and Vehicle Engineering, KTH Royal Institute of Technology, Teknikringen 8, SE 100 44 Stockholm, Sweden (corresponding author).