1. John W. Rhea, Jr. Professor, Dept. of Mechanical and Industrial Engineering, Louisiana State Univ., Baton Rouge, LA 70803; and Dept. of Mechanical Engineering, Southern Univ., Baton Rouge, LA 70813 (corresponding author).
2. Research Associate, Dept. of Mechanical and Industrial Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
3. Research Associate, Dept. of Mechanical Engineering, Southern Univ., Baton Rouge, LA 70813.