1. Centre for Offshore Foundation Systems, Oceans Graduate School, Univ. of Western Australia, 35 Stirling Hwy., Crawley, Perth, WA 6009, Australia (corresponding author).
2. Emeritus Professor, Centre for Offshore Foundation Systems, Oceans Graduate School, Univ. of Western Australia, 35 Stirling Hwy., Crawley, Perth, WA 6009, Australia.
3. Professor, Centre for Offshore Foundation Systems, Wave Energy Research Centre, Oceans Graduate School, Univ. of Western Australia, 35 Stirling Hwy., Crawley, Perth, WA 6009, Australia. ORCID: .
4. Associate Professor, Dept. of Civil, Mining and Environmental Engineering, Univ. of Western Australia, 35 Stirling Hwy., Crawley, Perth, WA 6009, Australia.