The Superharmonic Instability of Finite‐Amplitude Surface Waves on Water of Finite Depth
- 1 June 1986
- journal article
- research article
- Published by Wiley in Studies in Applied Mathematics
- Vol. 74 (3) , 259-266
- https://doi.org/10.1002/sapm1986743259
Abstract
Saffman's (1985) theory of the superharmonic stability of two‐dimensional irrotational waves on fluid of infinite depth has been generalized to solitary and periodic waves of permanent form on finite uniform depth. The frame of reference for the calculation of the Hamiltonian for periodic waves of finite depth is found to be the frame in which the mean horizontal velocity is zero.Keywords
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