1. Old Dominion University Department of Mechanical Aerospace Engineering, , Norfolk, VA 23529
2. University of Minnesota Duluth Department of Mechanical and Industrial Engineering, , Duluth, MN 55812
3. Old Dominion University Department of Electrical & Computer Engineering, , Norfolk, VA 23529
4. The University of British Columbia Department of Materials Engineering, , Vancouver, BC V6T 1Z4 , Canada