1. Research Student, Centre for Offshore Foundation Systems, Univ. of Western Australia, 35 Stirling Hwy., Crawley, WA 6009, Australia.
2. Associate Professor, Centre for Offshore Foundation Systems, Oceans Graduate School, Univ. of Western Australia, 35 Stirling Hwy., Crawley, WA 6009, Australia (corresponding author).
3. Professor, Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean Univ. of China, 238 Songling Rd., Qingdao 266100, China; formerly, Senior Research Fellow, Centre for Offshore Foundation Systems, Univ. of Western Australia, Crawley, WA 6009, Australia.
4. Research Fellow, Centre for Offshore Foundation Systems, Oceans Graduate School, Univ. of Western Australia, 35 Stirling Hwy., Crawley, WA 6009, Australia.