Flexural-gravity wave forces acting on a submerged spherical object over a flexible sea bed

A study has been conducted to analyse the impact of an ice sheet on the flexural-gravity wave force acting on a neutrally buoyant, spherical object immersed in a sea in accordance with the linear wave hypothesis. The bottom of the sea is presumed to be protected by a surface composed of some sort of...

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Bibliographic Details
Published in:Journal of hydraulic research 2024-05, Vol.62 (3), p.296-307
Main Authors: Das, Lopamudra, Mohapatra, Smrutiranjan
Format: Article
Language:English
Subjects:
Earthquakes
flexible bed
flexural-gravity wave forces
floating ice sheet
Glaciation
Gravity waves
Ice
Ice plates
Ice sheets
immersed sphere
Impact analysis
Linear waves
multipole method
Multipoles
Ocean floor
Seismic activity
Wave diffraction
Wave forces
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Summary:A study has been conducted to analyse the impact of an ice sheet on the flexural-gravity wave force acting on a neutrally buoyant, spherical object immersed in a sea in accordance with the linear wave hypothesis. The bottom of the sea is presumed to be protected by a surface composed of some sort of flexibility, and the top is enclosed by an ice sheet. The solution to a diffraction problem is established using the multipole method. The estimated vertical and horizontal flexural-gravity wave forces are visualized in relation to different immersion depths of the spherical body, depths of the fluid and various flexural rigidities of the ice plate and the flexible seabed. The approach adopted here is likely to be of immense significance in the construction of various spherical gadgets like a seabed pressure detector device for tsunami recognition or communication in crisis for a submarine in earthquake zones.
ISSN:0022-1686
1814-2079
DOI:10.1080/00221686.2024.2355531