27Th International Conference on Offshore Mechanics and Arctic Engineering, Omae 2008, Date: 15 June 2008 through 20 June 2008, Location: Estoril, Sponsors: Ocean, Offshore, and Arctic Engineering Division, ASME;American Society of Mechanical Engineers International (ASME);American Concrete Institute (ACI);Am. Soc. Civ. Eng., Coasts, Oceans, Ports, Rivers Inst. (COPRI);Assoc. Italiana di Ingegneria Offshore e Marina (AIOM)