The Linearized Dispersion Relation of Navier-Stokes Equation in Shallow Water
Journal: International Journal of Scientific Engineering and Science (Vol.2, No. 1)Publication Date: 2018-02-15
Authors : M. S. Parvin M. S. Alam Sarker M. S. Sultana;
Page : 83-91
Keywords : Dispersion relation :Navier-Stokes equations: Phase Speed: Shallow Water Waves;
- The Linearized Dispersion Relation of Navier-Stokes Equation in Shallow Water
- Alternative and Explicit Derivation of the Lattice Boltzmann Equation for the Unsteady Incompressible Navier-Stokes Equation
- Modified Navier-Stokes Equation for Incompressible Fluid Impacts
- Fraction Step Method for Solving Incompressible Navier Stokes Equation
- Sinusoidal Water Wave Dispersion Equation Formulated Using the Total Velocity Potential Equation
Abstract
A few number of variants of Navier-Stokes equations and their higher order generalizations are derived to describe the two way propagation of small amplitude, wavelength, gravity waves on the surface of water in a canal. These systems are also seen to model the propagation of long-crested waves on large lakes or the ocean and in other contexts. Depending on linearized terms and positing a solution of the form ei(kx-wt), the wave frequency is formulated in terms of wave number. Finally, the phase speed has been established with viscous term for long wavelength where the first three terms correspond to the expansion of the full linearized dispersion relation.
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Last modified: 2018-03-10 17:00:41