VIV and WIO using wake oscillator. Comparison on 2D response with experiments.

David Cébron (1) , Benoît Gaurier (2) , Grégory Germain (2)

1 IRPHE - Institut de Recherche sur les Phénomènes Hors Equilibre
2 ERT - Unité Essais et Recherches Technologiques

Experimental results are used to validate a 2D phenomenological model of the near wake based on Van Der Pol wake oscillators, which is the first one which describes the 2D motion of a cylinder in its transversal plan. In the case of a single cylinder, experimental and numerical results are in relatively good agreement. Those first results show that the proposed model can be used as a simple computation tool in the prediction of 2D VIV effects.

Mots clés: Fluid/Structure interaction; Vortex-Induced Vibrations; Wake Induced Oscillations; Risers; Wake oscillator; Van Der Pol

Domaines: Mécanique des fluides [physics.class-ph]; Mécanique des fluides [physics.class-ph]

David Cébron, Benoît Gaurier, Grégory Germain. VIV and WIO using wake oscillator. Comparison on 2D response with experiments.. 9th International Conference on Flow-Induced Vibrations (FIV2008), Jun 2008, Pragues, Czech Republic. ⟨hal-00457089⟩