1. Ph.D. Student, Univ. of Waterloo, 200 University Ave. W, Waterloo, ON, Canada N2L 3G1 (corresponding author).
2. Distinguished Professor Emeritus, Univ. of Waterloo, 200 University Ave. W, Waterloo, ON, Canada N2L 3G1.
3. Assistant Professor, Dept. of Civil and Environmental Engineering and Dept. of Mechanical and Mechatronic Engineering, Univ. of Waterloo, ON, Canada N2L 3G1.