Abstract
We compare two linearizations used in the study of small-amplitude long waves on a constant vorticity flow. For the propagation of such waves, we derive, by a variational approach in the Lagrangian formalism, the nonlinear Camassa–Holm equation.
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Ionescu-Kruse, D. On the Small-Amplitude Long Waves in Linear Shear Flows and the Camassa–Holm Equation. J. Math. Fluid Mech. 16, 365–374 (2014). https://doi.org/10.1007/s00021-013-0156-z
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DOI: https://doi.org/10.1007/s00021-013-0156-z