scholarly journals Spherical shallow‐water wave simulation by a cubed‐sphere finite‐difference solver

Author(s):  
M. Brachet ◽  
J.‐P. Croisille
Mathematics ◽  
2021 ◽  
Vol 9 (12) ◽  
pp. 1439
Author(s):  
Chaudry Masood Khalique ◽  
Karabo Plaatjie

In this article, we investigate a two-dimensional generalized shallow water wave equation. Lie symmetries of the equation are computed first and then used to perform symmetry reductions. By utilizing the three translation symmetries of the equation, a fourth-order ordinary differential equation is obtained and solved in terms of an incomplete elliptic integral. Moreover, with the aid of Kudryashov’s approach, more closed-form solutions are constructed. In addition, energy and linear momentum conservation laws for the underlying equation are computed by engaging the multiplier approach as well as Noether’s theorem.


2013 ◽  
Vol 70 (1) ◽  
pp. 377-394 ◽  
Author(s):  
V. Sanil Kumar ◽  
P. R. Shanas ◽  
K. K. Dubhashi

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