paper

Variational Principles for Water Waves

arXiv:0712.0054 · doi:10.1137/050647220

Abstract

We describe the Hamiltonian structures, including the Poisson brackets and Hamiltonians, for free boundary problems for incompressible fluid flows with vorticity. The Hamiltonian structure is used to obtain variational principles for stationary gravity waves both for irrotational flows as well as flows with vorticity.

20 pages