Abstract
A numerical investigation of nonlinear wave interactions with approximately linearly sheared currents is presented. The numerical model is based on the Navier-Stokes Solver, and the Volume of Fluid method is applied to capture the water wave surface. The numerical model is validated with the experimental measurements in the case of a uniform current and a linearly sheared current. The effects of wave nonlinearity and current shear on the water surface profiles are examined. It was found that in the presence of the current shear, the wave crests are sharper and troughs flatter for the following current; while for the opposing current, the troughs tend to be deeper. The effect is more pronounced when the wave steepness increases.
| Original language | English |
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| Title of host publication | Proceedings of the 25th International Ocean and Polar Engineering Conference |
| Publisher | International Society of Offshore and Polar Engineers |
| Pages | 538-542 |
| Number of pages | 5 |
| ISBN (Electronic) | 9781880653890 |
| Publication status | Published - 2015 |
| Event | 25th International Ocean and Polar Engineering Conference 2015 - Kona, Big Island, United States Duration: 21 Jun 2015 → 26 Jun 2015 |
Conference
| Conference | 25th International Ocean and Polar Engineering Conference 2015 |
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| Abbreviated title | ISOPE 2015 |
| Country/Territory | United States |
| City | Kona, Big Island |
| Period | 21/06/15 → 26/06/15 |
Keywords
- CFD
- Current shear
- Linearly sheared currents
- Nonlinear waves
- Wave-current interaction
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Ocean Engineering
- Mechanical Engineering