It would be nice to have a function, which returns the linear dispersion relation for each set of equations. - [x] KdV - [x] BBM-BBM, e.g.: [Lampert, Ranocha, Structure-Preserving Numerical Methods for Two Nonlinear Systems of Dispersive Wave Equations (2024)](https://arxiv.org/pdf/2402.16669) - [x] Svärd-Kalisch equations: [Svärd, Kalisch, A novel energy-bounded Boussinesq model and a well balanced and stable numerical discretisation (2023)](https://arxiv.org/pdf/2302.09924) - [x] Serre-Green-Naghdi - [ ] hyperbolic Serre-Green-Naghdi: [Favrie, Gavrilyuk, A rapid numerical method for solving Serre–Green–Naghdi equations describing long free surface gravity waves (2017)](https://iopscience.iop.org/article/10.1088/1361-6544/aa712d). - [x] Sainte-Marie equations and corresponding hyperbolization of Escalante, Dumbser, and Castro (2019) (see https://github.com/NumericalMathematics/DispersiveShallowWater.jl/pull/288)
It would be nice to have a function, which returns the linear dispersion relation for each set of equations.