Stochastic prediction of wave impact kinematics and loads for ship appendages

Romain Hascoët (1, 2) , M Prevosto (3) , N Raillard (3) , Nicolas Jacques (1, 2) , Alan Tassin (3)

1 IRDL - Institut de Recherche Dupuy de Lôme
2 ENSTA Bretagne - École Nationale Supérieure de Techniques Avancées Bretagne
3 IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer

A stochastic approach is implemented to address the problem of a marine structure exposed to water wave impacts. The focus is on (i) the average frequency of wave impacts, and (ii) the related probability distribution of impact kinematic variables. The wave field is assumed to be Gaussian. The seakeeping motions of the considered body are taken into account in the analysis. The coupling of the stochastic model with a water entry model is demonstrated through the case study of a foil exposed to wave impacts.

Domaines: Mécanique des fluides [physics.class-ph]

Romain Hascoët, M Prevosto, N Raillard, Nicolas Jacques, Alan Tassin. Stochastic prediction of wave impact kinematics and loads for ship appendages. 17èmes Journées de l'Hydrodynamique, Nov 2020, Cherbourg (en ligne), France. ⟨hal-03268477⟩