1. Department of Mechanical Engineering, Northeastern University, Boston, MA 02115 Fellow ASME
2. Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109Mem. ASME
3. , CNR-ITC Str. Crocefisso 2∕B, 70126 Bari, Italy
4. Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138 Fellow ASME