Numerical modelling of caisson breakwaters under sliding and overturning motion using the Proteus toolkit

Numerical modelling of caisson breakwaters under sliding and overturning motion using the Proteus toolkit.
Dimakopoulos, A.and Cozzuto, G. and de Lataillade, T. and Kees, C. and Cuomo, G.
In: ICE Coasts, Marine Structures and Breakwaters 2017, 5-7 September 2017, Liverpool, UK. (2017)

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Abstract:A 2D computational fluid dynamics (CFD) model is set-up using the computational toolkit Proteus (https://proteustoolkit.org) in order to simulate sliding and overturning motions of caisson breakwaters. The model solves the Navier-Stokes equations using the Finite Element Method and is able to calculate wave-induced pressures both around the caisson and inside the rubble foundation of the breakwater. Displacement and rotations of the caisson are calculated by coupling a mesh motion technique with a dynamic response model for the rubble mound. Results are compared against experimental data and other analytical and numerical methodologies. Comparison shows that the model is able to capture the significant processes associated with incipient sliding and rocking. Further sensitivity tests are performed, demonstrating the robustness of the approach and its ability to capture with the sensitivity of the wave-structure interaction to changing wave conditions and/or structural / soil dynamic properties.
Item Type:Conference or Workshop Item (Paper)
Subjects:Maritime > General
ID Code:1393
Deposited On:28 Apr 2017 06:51
Last Modified:05 Oct 2017 07:08

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