F. .. Case, Non-dimensional free surface elevation (with respect to the amplitude of oscillation A of the cylinder) as a function of non-dimensional time, computed at numerical gages located at x g = 2?/3 ( ) and 4?/3 ( ) from the cylinder, for two submergence depths z 0 of the cylinder : (a) -0.5 m ; (b) -0, p.37

. Mean-value, vertical (right) non-dimensional exciting forces as a function of kR, for incident waves of various steepnesses : H/? = 0, 05% ( ), 0.10% ( ), 0.20% ( ), 0.50% ( ), 1.00% ( ), p.69

.. Mean-value, vertical (right) non-dimensional displacement of the center of mass as a function of kR, for incident waves of various steepnesses : H/? = 0 ( ), compared to Evans linear prediction ( ), 50% ( ), 1.00% ( ), 2.00% (, p.75

.. Efficacité-du-cylindre-de-bristol, La théorie linéaire d'Evans correspond à la courbe en trait plein, p.78

. Le-système-mis-À-l-'eau-avant-les-essais, On distingue au centre du cylindre le générateur et le système de guidage des fils électriques, et de chaque côté les deux ressorts latéraux surmontés des boîtiers contenant les accéléromètres, p.83

.. Bilan-des-efforts-exercés-sur-le-cylindre, le poids M g , les efforts de pression hydrodynamique F h , les efforts F r dans la direction radiale et la traînée visqueuse F v, p.84

. De-haut-en-bas.........., élévations de surface libre enregistrées par les trois sondes s 1 , s 2 , s 3 disposées dans le canal (voir Fig. 5.23 pour la position relative des sondes), composante radiale de l'accélération du cylindre enregistrées par chacun des deux accéléromètres, puissance éléctrique mesurée, p.89

.. Correspondance-entre-la-hauteur-de-houle, H r en vagues régulières et la hauteur significative H m 0 en vagues irrégulières en fonction de ?, pour f p = f r = f 0 = 1.65 Hz, d'après la théorie linéaire en profondeur finie, p.96

J. Spectres-de, 65 Hz) pour H r = 1 cm et 4 valeurs de ?, tronqués sur l'intervalle [ f min f ma x ], p.96

.. Géométrie-du-canal-À-houle-considéré, positions des deux cylindres et de la sonde s 1 . 16 cas sont considérés avec un écartement adimensionné d, p.101

H. Maillage and .. De-la-sphère-avec, 192 quadrilatères pour 194 noeuds En rouge : 2 noeuds à l'intersection de 3 arêtes qui perturbent la construction de l'élément glissant 4 × 4 noeuds (en noir), p.109

.. Masse-ajoutée, amortissement de radiation (en bas) de la sphère en pilonnement, calculés à plusieurs profondeurs d'immersion de son centre. Les résultats obtenus avec le modèle 3D-NWT ( ) sont comparés aux résultats numériques obtenus avec Aquaplus [26] ( ) et aux résultats analytiques de Srokosz [69] en profondeur infinie ( ), p.113

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