1. Senior Research Engineer, Port and Offshore Dept., DHI, Agern Alle’ 5, Hørsholm DK-2970, Denmark.
2. Professor, Head of Section, Dept. of Mechanical Engineering, Technical Univ. of Denmark, Nils Koppels Alle’, Bldg. 403, Kgs. Lyngby DK-2800, Denmark (corresponding author). ORCID: .