output
19962022
most citedThe VOLNA code for the numerical modelling of tsunami waves: generation, propagation and inundation

107 citations

Showing 2015Show all

29 papers · 1 filter

nlin.PS2015★ 45 cited

Macroscopic dynamics of incoherent soliton ensembles: soliton-gas kinetics and direct numerical modeling

Francesco Carbone, Denys Dutykh, Gennady El

We undertake a detailed comparison of the results of direct numerical simulations of the integrable soliton gas dynamics with the analytical predictions inferred from the exact sol…

math.PR2015★ 12 cited

Strong well-posedness of McKean-Vlasov stochastic differential equation with H{ö}lder drift

Paul-Eric Chaudru de Raynal

In this paper, we prove pathwise uniqueness for stochastic systems of McKean-Vlasov type with singular drift, even in the measure argument, and uniformly non-degenerate Lipschitz d…

math.SP2015★ 15 cited

Maximising Neumann eigenvalues on rectangles

Michiel van den Berg, Dorin Bucur, Katie Gittins

We obtain results for the spectral optimisation of Neumann eigenvalues on rectangles in with a measure or perimeter constraint. We show that the rectangle with measu…

math.AP2015★ 11 cited

On the multi-symplectic structure of the Serre-Green-Naghdi equations

Marx Chhay, Denys Dutykh, Didier Clamond

In this short note, we present a multi-symplectic structure of the Serre-Green-Naghdi (SGN) equations modelling nonlinear long surface waves in shallow water. This multi-symplectic…

math.DG2015

On the stability of the Wulff shape

Julien Roth

Given a positive function F on S n satisfying an appropriate con-vexity assumption, we consider hypersurfaces for which a linear combination of some higher order anisotropic curvat…

physics.class-ph2015★ 63 cited

Conservative modified Serre-Green-Naghdi equations with improved dispersion characteristics

Didier Clamond, Denys Dutykh, Dimitrios Mitsotakis

For surface gravity waves propagating in shallow water, we propose a variant of the fully nonlinear Serre-Green-Naghdi equations involving a free parameter that can be chosen to im…

math.DS2015

Minimality of p-adic rational maps with good reduction

Ai-Hua Fan, Shilei Fan, Lingmin Liao +1

A rational map with good reduction in the field of -adic numbers defines a -Lipschitz dynamical system on the projective line ov…

math.AG2015★ 10 cited

Stringy invariants for horospherical varieties of complexity one

Kevin Langlois, Clélia Pech, Michel Raibaut

In this paper we determine the stringy motivic volume of log terminal horospherical -varieties of complexity one, where is a connected reductive linear algebraic group. The…

math.NA2015★ 14 cited

Numerical simulation of conservation laws with moving grid nodes: Application to tsunami wave modelling

Gayaz Khakimzyanov, Denys Dutykh, Dimitrios Mitsotakis +1

In the present article we describe a few simple and efficient finite volume type schemes on moving grids in one spatial dimension combined with appropriate predictor-corrector meth…

math.NA2015★ 18 cited

On supraconvergence phenomenon for second order centered finite differences on non-uniform grids

Gayaz Khakimzyanov, Denys Dutykh

In the present study we consider an example of a boundary value problem for a simple second order ordinary differential equation, which may exhibit a boundary layer phenomenon. We…

physics.flu-dyn2015★ 22 cited

New asymptotic heat transfer model in thin liquid films

Marx Chhay, Denys Dutykh, Marguerite Gisclon +1

In this article, we present a model of heat transfer occurring through a li\-quid film flowing down a vertical wall. This new model is formally derived using the method of asymptot…

math.OC2015

A Piecewise Deterministic Markov Toy Model for Traffic/Maintenance and Associated Hamilton-Jacobi Integrodifferential Systems on Networks

Dan Goreac, Magdalena Kobylanski, Miguel Martinez

We study optimal control problems in infinite horizon when the dynamics belong to a specific class of piecewise deterministic Markov processes constrained to star-shaped networks (…

physics.flu-dyn2015★ 12 cited

Efficient computation of capillary-gravity generalized solitary waves

Denys Dutykh, Didier Clamond, Angel Duran

This paper is devoted to the computation of capillary-gravity solitary waves of the irrotational incompressible Euler equations with free surface. The numerical study is a continua…

math.AG2015★ 2 cited

Sparse Polynomial Systems with many Positive Solutions from Bipartite Simplicial Complexes

Frédéric Bihan, Pierre-Jean Spaenlehauer

Consider a regular triangulation of the convex-hull of a set of points in , and a real matrix of size . A version of Viro's method…

math.PR2015★ 1 cited

Persistent random walks

Peggy Cénac, Basile De Loynes, Arnaud Le Ny +1

We consider a walker that at each step keeps the same direction with a probabilitythat depends on the time already spent in the direction the walker is currently moving. In this pa…

math.AP2015★ 1 cited

Diffusive limits for a barotropic model of radiative flow

Raphaël Danchin, Bernard Ducomet

Here we aim at justifying rigorously different types of physically relevant diffusive limits for radiative flows. For simplicity, we consider the barotropic situation, and adopt th…

physics.class-ph2015★ 6 cited

Coupling Conditions for Water Waves at Forks

Jean-Guy Caputo, Denys Dutykh, Bernard Gleyse

We considered the propagation of nonlinear shallow water waves in a narrow channel presenting a fork. We aimed at computing the coupling conditions for a 1D effective model, using…

math.AG2015★ 28 cited

Curve-rational functions

János Kollár, Wojciech Kucharz, Krzysztof Kurdyka

Let be a subset of the set of real points of a real algebraic variety . We investigate which functions are the restrictions of rational functions on …

math.PR2015★ 5 cited

Characterization of a class of weak transport-entropy inequalities on the line

Nathael Gozlan, Cyril Roberto, Paul-Marie Samson +2

We study an optimal weak transport cost related to the notion of convex order between probability measures. On the real line, we show that this weak transport cost is reached for a…

math.PR2015★ 2 cited

Stochastic Coalescence Multi-Fragmentation Processes

Eduardo Cepeda

We study infinite systems of particles which undergo coalescence and fragmentation, in a manner determined solely by their masses. A pair of particles having masses and coa…

q-bio.QM2015★ 1 cited

Group Size Effect on the Success of Wolves Hunting

Ramon Escobedo, Denys Dutykh, Cristina Muro +2

Social foraging shows unexpected features such as the existence of a group size threshold to accomplish a successful hunt. Above this threshold, additional individuals do not incre…

math.AP2015★ 33 cited

Global Existence of Weak Solutions for Compresssible Navier--Stokes Equations: Thermodynamically unstable pressure and anisotropic viscous stress tensor

Didier Bresch, Pierre-Emmanuel Jabin

We prove global existence of appropriate weak solutions for the compressible Navier--Stokes equations for more general stress tensor than those covered by P.-L. Lions and E. Feirei…

math-ph2015★ 22 cited

Wave dynamics on networks: method and application to the sine-Gordon equation

Denys Dutykh, Jean-Guy Caputo

We consider a scalar Hamiltonian nonlinear wave equation formulated on networks; this is a non standard problem because these domains are not locally homeomorphic to any subset of…

math.PR2015★ 3 cited

An asymptotic shape theorem for additive random linear growth models

Aurelia Deshayes, Pierrick Siest

In this paper, we define a class of additive random growth models whose growth is at least and at most linear and prove an asymptotic shape theorem for these models. This proof gen…