Abstract
A numerical scheme was developed to solve the unsteady, two-dimensional Navier-Stokes equations and the exact free surface boundary conditions for simulating the propagation of a solitary wave over rigid sand ripples. A piston-type wavemaker was incorporated in the computational domain to generate periodic and solitary waves as the incident waves. A boundary-fitted coordinate system was used in this model. One of our main results showed that as a solitary wave passes over rigid sand ripples, the fluid particles near the bed are lifted up by the primary vortices induced at the lee side of the sand ripple crest and are transported to the opposite direction of the wave. This is different from what occurs in the case of periodic waves, where the fluid particles are transported in the direction of the waves.
| Original language | English |
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| Pages | 666-673 |
| Number of pages | 8 |
| Publication status | Published - 2001 Jan 1 |
| Event | 11th (2001) International Offshore and Polar Engineering Conference - Stavanger, Norway Duration: 2001 Jun 17 → 2001 Jun 22 |
Other
| Other | 11th (2001) International Offshore and Polar Engineering Conference |
|---|---|
| Country/Territory | Norway |
| City | Stavanger |
| Period | 01-06-17 → 01-06-22 |
All Science Journal Classification (ASJC) codes
- Energy Engineering and Power Technology
- Ocean Engineering
- Mechanical Engineering