1. Dept. of Marine Engineering and Technology, Sun Yat-Sen Univ., Zhuhai 519000, China.
2. Professor, Dept. of Marine Engineering and Technology, Sun Yat-Sen Univ., Zhuhai 519000, China.
3. Associate Professor, Dept. of Civil Engineering and Transportation, South China Univ. of Technology, Guangzhou 510641, China.
4. Associate Professor, Dept. of Aeronautics and Astronautics, Sun Yat-Sen Univ., Shenzhen 518109, China (corresponding author).