1. Assistant Professor of Engineering and Applied Science, Dept. of Mechanical and Aerospace Engineering, Univ. of Florida, Gainesville, FL 32608 (corresponding author).
2. Professor of Engineering and Applied Science, Dept. of Mechanical and Aerospace Engineering, George Washington Univ., Washington, DC 20052.
3. Graduate Student of Engineering and Applied Science, Dept. of Mechanical and Aerospace Engineering, Univ. of Florida, Gainesville, FL 32608.