Li, ZF;
Wu, GX;
Ji, CY;
(2018)
Interaction of wave with a body submerged below an ice sheet with multiple arbitrarily spaced cracks.
Physics of Fluids
, 30
(5)
, Article 057107. 10.1063/1.5030378.
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Abstract
The problem of wave interaction with a body submerged below an ice sheet with multiple arbitrarily spaced cracks is considered, based on the linearized velocity potential theory together with the boundary element method. The ice sheet is modeled as a thin elastic plate with uniform properties, and zero bending moment and shear force conditions are enforced at the cracks. The Green function satisfying all the boundary conditions including those at cracks, apart from that on the body surface, is derived and is expressed in an explicit integral form. The boundary integral equation for the velocity potential is constructed with an unknown source distribution over the body surface only. The wave/crack interaction problem without the body is first solved directly without the need for source. The convergence and comparison studies are undertaken to show the accuracy and reliability of the solution procedure. Detailed numerical results through the hydrodynamic coefficients and wave exciting forces are provided for a body submerged below double cracks and an array of cracks. Some unique features are observed, and their mechanisms are analyzed.
| Type: | Article |
|---|---|
| Title: | Interaction of wave with a body submerged below an ice sheet with multiple arbitrarily spaced cracks |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1063/1.5030378 |
| Publisher version: | http://dx.doi.org/10.1063/1.5030378 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Potential theory, Cryosphere, Boundary element methods, Wave propagation, Deformation, Hydrodynamics |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10050004 |
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