1. Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Glennan Building, 10900 Euclid Avenue, Cleveland, OH 44106-7222 e-mail:
2. Mem. ASME Department of Mechanical, Industrial and Manufacturing Engineering, Oregon State University, Dearborn Hall 217, Corvallis, OR 97331 e-mail:
3. Fellow ASME Department of Plastics Engineering, University of Massachusetts Lowell, Ball 223, 219 Riverside Street, Lowell, MA 01854 e-mail:
4. Fellow ASME Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Glennan Building, 10900 Euclid Avenue, Cleveland, OH 44106-7222 e-mail: