What is the apparent angle of a Kelvin ship wave pattern?

R Pethiyagoda, SW McCue, TJ Moroney - Journal of fluid mechanics, 2014 - cambridge.org
While the half-angle which encloses a Kelvin ship wave pattern is commonly accepted to be
19.47°, recent observations and calculations for sufficiently fast-moving ships suggest that …

Time-dependent nonlinear gravity–capillary surface waves with viscous dissipation and wind forcing

J Shelton, P Milewski, PH Trinh - Journal of Fluid Mechanics, 2025 - cambridge.org
We develop a time-dependent conformal method to study the effect of viscosity on steep
surface waves. When the effect of surface tension is included, numerical solutions are found …

Locating complex singularities of Burgers' equation using exponential asymptotics and transseries

CJ Lustri, I Aniceto… - Proceedings of the …, 2023 - royalsocietypublishing.org
Burgers' equation is an important mathematical model used to study gas dynamics and
traffic flow, among many other applications. Previous analysis of solutions to Burgers' …

A method to calculate inverse solutions for steady open channel free-surface flow

C Robbins, MG Blyth, J Maclean… - Journal of Fluid …, 2023 - cambridge.org
The inverse problem of steady two-dimensional open channel free-surface flow is
considered, with the focus on determining two types of disturbances: a surface pressure …

Kelvin wake pattern at small Froude numbers

R Pethiyagoda, TJ Moroney, CJ Lustri… - Journal of Fluid …, 2021 - cambridge.org
The surface gravity wave pattern that forms behind a steadily moving disturbance is well
known to comprise divergent waves and transverse waves, contained within a distinctive …

Exponential asymptotics of homoclinic snaking

AD Dean, PC Matthews, SM Cox, JR King - Nonlinearity, 2011 - iopscience.iop.org
We study homoclinic snaking in the cubic-quintic Swift–Hohenberg equation (SHE) close to
the onset of a subcritical pattern-forming instability. Application of the usual multiple-scales …

Free-surface flow past arbitrary topography and an inverse approach for wave-free solutions

BJ Binder, MG Blyth, SW McCue - IMA Journal of Applied …, 2013 - ieeexplore.ieee.org
An efficient numerical method to compute nonlinear solutions for 2D steady free-surface flow
over an arbitrary channel bottom topography is presented. The approach is based on a …

Jacobian-free Newton–Krylov methods with GPU acceleration for computing nonlinear ship wave patterns

R Pethiyagoda, SW McCue, TJ Moroney… - Journal of Computational …, 2014 - Elsevier
The nonlinear problem of steady free-surface flow past a submerged source is considered
as a case study for three-dimensional ship wave problems. Of particular interest is the …

An algebraic study of parametric Stokes phenomena

I Aniceto, S Crew - arxiv preprint arxiv:2410.13690, 2024 - arxiv.org
We investigate geometric aspects of co-equational parametric resurgence, by studying
physical problems whose formal asymptotic solutions give rise to Borel transforms lying on …

Nanoptera in a period-2 Toda chain

CJ Lustri, MA Porter - SIAM Journal on Applied Dynamical Systems, 2018 - SIAM
We study asymptotic solutions to a singularly perturbed, period-2 Toda lattice and use
exponential asymptotics to examine “nanoptera,” which are nonlocal solitary waves with …