3 papers
physics.flu-dyn2025
A classification of mode-1 internal solitary waves in a three-layer fluid
Ricardo Barros, Alex Doak, Wooyoung Choi +1
We explore the bifurcation structure of mode-1 solitary waves in a three-layer fluid confined between two rigid boundaries. A recent study (Lamb, J. Fluid Mech. 2023, 962, A17) pro…
math.NA2025
Preconditioning and Linearly Implicit Time Integration for the Serre-Green-Naghdi Equations
Linwan Feng, David Shirokoff, Wooyoung Choi
The treatment of the differential PDE constraint poses a key challenge in computing the numerical solution of the Serre-Green-Naghdi (SGN) equations. In this work, we introduce a c…
physics.flu-dyn2025
Internal solitary and cnoidal waves of moderate amplitude in a two-layer fluid: the extended KdV equation approximation
Nerijus Sidorovas, Dmitri Tseluiko, Wooyoung Choi +1
We consider travelling internal waves in a two-layer fluid with linear shear currents from the viewpoint of the extended Korteweg-de Vries (eKdV) equation derived from a strongly-n…