[ASME ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering - Estoril, Portugal (Sunday 15 June 2008)] Volume 6: Nick Newman Symposium on Marine Hydrodynamics; Yoshida and Maeda Special Symposium on Ocean Space Utilization; Special Symposium on Offshore Renewable Energy - Numerical Simulation on Motion Responses of the Tsunami-Induced Grounding on a Wharf of Floating Structures Using the MPS Method