Journal
MATHEMATICS
Volume 10, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/math10132311
Keywords
partial differential equations; conservation laws and constitutive relations; tsunamis; physical oceanography; ocean waves and oscillations
Categories
Funding
- National Research, Development and Innovation Fund of Hungary [129257]
- NKFIH
- Hungarian National Research Development and Innovation Office
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In this study, we investigate a hydrodynamic equation system that can describe the propagation of tsunamis in the open ocean. We found analytical solutions for the wave height and velocity in time and space, considering both constant and linear seabed functions, as well as an oblique seabed. Additionally, we apply the traveling wave Ansatz and present relatively simple yet instructive solutions.
We investigate a hydrodynamic equation system which-with some approximation-is capable of describing the tsunami propagation in the open ocean with the time-dependent self-similar Ansatz. We found analytic solutions of how the wave height and velocity behave in time and space for constant and linear seabed functions. First, we study waves on open water, where the seabed can be considered relatively constant, sufficiently far from the shore. We found original shape functions for the ocean waves. In the second part of the study, we also consider a seabed which is oblique. Most of the solutions can be expressed with special functions. Finally, we apply the most common traveling wave Ansatz and present relative simple, although instructive solutions as well.
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