Interaction of surface water waves with partial porous structure and floating elastic plate in the presence of sea wall

G Sahoo, S Singla, SC Martha - Ships and Offshore Structures, 2024 - Taylor & Francis
Ships and Offshore Structures, 2024Taylor & Francis
This study proposes a model composed of either bottom-standing porous structure (BSPS)
or surface-piercing porous structure (SPPS) in combination with an elastic plate (EP) placed
at a distance from one another to protect a sea wall. The study uses the governing equation
and the boundary conditions to coin a system of equations, and the system of equations is
solved to identify the hydrodynamics coefficients. Further, it is noticed that length, frictional
coefficient, porosity of the porous structure, and flexural rigidity of EP play a crucial role in …
Abstract
This study proposes a model composed of either bottom-standing porous structure (BSPS) or surface-piercing porous structure (SPPS) in combination with an elastic plate (EP) placed at a distance from one another to protect a sea wall. The study uses the governing equation and the boundary conditions to coin a system of equations, and the system of equations is solved to identify the hydrodynamics coefficients. Further, it is noticed that length, frictional coefficient, porosity of the porous structure, and flexural rigidity of EP play a crucial role in reducing the force on the sea wall, water elevation and plate deflection. The SPPS exhibits a nearly 60% reduction in wall force coefficient due to a 50% increase in wave-damping when compared to BSPS for k0H = 0.85. These results are crucial for developing floating structures that can resist harsh wave environments and minimize the effects of waves close to the shore.
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