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arXiv · 1909.04804

Solutions to the Kaup--Broer System and Its 2+1 Dimensional Integrable Generalization via the Dressing Method

Patrik V. Nabelek·Vladimir E. Zakharov
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Abstract

In this paper we formulate the nonlocal dbar problem dressing method of Manakov and Zakharov [28, 29, 27] for the 4 scaling classes of the 1+1 dimensional Kaup--Broer system [7, 13]. The method for the 1+1 dimensional Kaup--Broer systems are reductions of a method for a complex valued 2+1 dimensional completely integrable partial differential equation first introduced in [23]. This method allows computation of solutions to all cases of the Kaup--Broer system. We then consider the case of non-capillary waves with usual gravitational forcing, and use the dressing method to compute N-soliton solutions and more general solutions in the closure of the N-soliton solutions in the topology of uniform convergence in compact sets called primitive solutions. These more general solutions are an analogue of the solutions derived in [11, 30, 31] for the KdV equation. We derive dressing functions for finite gap solutions. We compute counter propagating dispersive shockwave type solutions numerically.

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Patrik V. Nabelek, Vladimir E. Zakharov. 2019-09-11. Solutions to the Kaup--Broer System and Its 2+1 Dimensional Integrable Generalization via the Dressing Method. https://doi.org/10.1016/j.physd.2020.132478

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