the variational approach in water waves
This post primarily introduces The Variational Approach and demonstrates how to employ the method to derive the Euler-Lagrange equations for the water wave equations
The Equations for Water Waves
incompressible flow momentum equation and Surface of water waves and boundary condition and Variational Formulation
gravity wave and capillary wave
dispersion relation and solutions of the water wave equation incorporating surface tension
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water wave - stationary phase -final
Asymptotic expansion of analytic functions and contour integral