Expressions for unsteady lift and moment acting on oscillating hydrofoil are derived by extension of classical unsteady thin airfoil theory; method of images is employed to account for free surface, but additional contribution from surface waves is neglected; results of flutter computations, using station analysis, for ratios of depth of submergence to semichord of 2 and infinity; it is found that lower flutter speed corresponds to infinite depth of submergence.
Effect of free surface on flutter of submerged hydrofoils
J Ship Research
Journal of Ship Research ; 3 , n 1
1959
8 pages
Article (Journal)
English
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Discussion of flutter of submerged hydrofoils
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