In this paper we present and discuss the use of CFD for coupled mooring analysis of floating wave energy converters. We use the two-phase Navier-Stokes finite volume solver in OpenFOAM and a high-order finite element model for the cable dynamics. The implementation of the coupling is described in some detail and we show validation of the scheme against laboratory data. A comparison between RANS and Euler simulations isolates effects of viscosity and geometric scale for moored point-absorbers, and parametric pitch excitation is demonstrated. The inclusion of power take-off/control follow the same blueprint as the mooring restraint and we illustrate the use of phase control.
|Title of host publication||WMTC18 - World Maritime Technology Conference 2018 : Proceedings of the 6th World Maritime Technology Conference|
|Number of pages||9|
|Publisher||Society of Naval Architects and Marine Engineers at Providence|
|Publication status||Published - 2018|
|Event||World Maritime Technology Conference 2018 - Shanghai, China|
Duration: 4 Dec 2018 → 7 Dec 2018
|Conference||World Maritime Technology Conference 2018|
|Period||04/12/2018 → 07/12/2018|
Bibliographical noteThe proceedings is published on a CD
- Wave energy
- Parametric excitation
Eskilsson, C., Palm, J., & Bergdahl, L. (2018). Simulations of moored wave energy converters using OpenFOAM: Implementation and applications. In WMTC18 - World Maritime Technology Conference 2018: Proceedings of the 6th World Maritime Technology Conference Society of Naval Architects and Marine Engineers at Providence.