1. Department of Mechanical and Aerospace Engineering (MAE), Benjamin M. Statler College of Engineering and Mineral Resources, West Virginia University (WVU); PO Box 6106, 325 Engineering Sciences Building Morgantown WV 26506 Australia
2. RMIT University, PO Box 71, Bundoora VIC 3083, Australia & Swinburne University of Technology; PO Box 218 Hawthorn VIC 3122 Australia