1. Graduate Student, Dept. of Mechanical and Aerospace Engineering, Univ. of California–Davis, Davis, CA 95616.
2. Professor, Dept. of Mechanical and Aerospace Engineering, Univ. of California–Davis, Davis, CA 95616 (corresponding author).
3. Research Professor, Dept. of Mechanical and Aerospace Engineering, Univ. of California–Davis, Davis, CA 95616.