1. Department of Mechanical and Aerospace Engineering, Carleton University, Ottawa, Ontario K1S 5B6, Canada
2. Centre for Defence Engineering, Cranfield University, Defence Academy of the United Kingdom, Shrivenham, SN6 8LA, United Kingdom
3. Department of Mechanical Engineering, McGill University, Montréal, Quebec H3A 0C3, Canada
4. School of Engineering and Information Technology, The University of New South Wales, Canberra, ACT 2600, Australia