1. Professor, Dept. of Civil and Environmental Engineering, Boundary Layer Wind Tunnel Laboratory, Univ. of Western Ontario, London, ON, Canada N6A 5B9 (corresponding author).
2. Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of Western Ontario, London, ON, Canada N6A 5B9.
3. Professor, Dept. of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen Graduate School, Shenzhen 518055, China.