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Related papers: Global solutions to the shallow-water system

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We consider systems of semilinear wave equations in three space dimensions with quadratic nonlinear terms not satisfying the null condition. We prove small data global existence of the classical solution under a new structural condition…

Analysis of PDEs · Mathematics 2013-04-11 Soichiro Katayama , Toshiaki Matoba , Hideaki Sunagawa

Shallow water moment equations are reduced-order models for free-surface flows that allow to represent vertical variations of the velocity profile at the expense of additional evolution equations for a number of additional variables, so…

Numerical Analysis · Mathematics 2025-07-02 Mirco Ciallella , Julian Koellermeier

For the short pulse initial data with a first order outgoing constraint condition and optimal orders of smallness, we establish the global existence of smooth solutions to 2D quasilinear wave equations with higher order null conditions.…

Analysis of PDEs · Mathematics 2024-07-31 Bingbing Ding , Zhouping Xin , Huicheng Yin

The purpose of this paper is to derive rigorously the so called viscous shallow water equations given for instance page 958-959 in [A. Oron, S.H. Davis, S.G. Bankoff, Rev. Mod. Phys, 69 (1997), 931?980]. Such a system of equations is…

Analysis of PDEs · Mathematics 2016-11-27 Didier Bresch , Pascal Noble

In this paper we study solitary traveling wave solutions to a damped shallow water system, which is in general quasilinear and of mixed type. We develop a small data well-posedness theory and prove that traveling wave solutions are a…

Analysis of PDEs · Mathematics 2024-07-24 Noah Stevenson , Ian Tice

Surface water waves in ideal fluids have been typically modeled by asymptotic approximations of the full Euler equations. Some of these simplified models lose relevant properties of the full water wave problem. One of them is the Galilean…

Classical Physics · Physics 2020-02-20 Angel Duran , Denys Dutykh , Dimitrios Mitsotakis

In this paper, we consider the 1D Navier-Stokes equations for viscous compressible and heat conducting fluids (i.e., the full Navier-Stokes equations). We get a unique global classical solution to the equations with large initial data and…

Analysis of PDEs · Mathematics 2011-03-09 Huanyao Wen , Changjiang Zhu

We consider solutions of two-dimensional $m \times m$ systems hyperbolic conservation laws that are constant in time and along rays starting at the origin. The solutions are assumed to be small $L^\infty$ perturbations of a constant state…

Analysis of PDEs · Mathematics 2013-05-07 Volker Elling , Joseph Roberts

The null-timelike initial-boundary value problem for a hyperbolic system of equations consists of the evolution of data given on an initial characteristic surface and on a timelike worldtube to produce a solution in the exterior of the…

General Relativity and Quantum Cosmology · Physics 2011-06-16 H-O. Kreiss , J. Winicour

A classical 3-D thermoviscoelastic system of Kelvin-Voigt type is considered. The existence and uniqueness of a global regular solution is proved without small data assumption. The existence proof is based on the successive approximation…

Analysis of PDEs · Mathematics 2011-12-15 Irena Pawlow , Wojciech M. Zajaczkowski

In this article we consider the inviscid two-dimensional shallow water equations in a rectangle. The flow occurs near a stationary solution in the so called supercritical regime and we establish short term existence of smooth solutions for…

Analysis of PDEs · Mathematics 2016-01-20 Aimin Huang , Madalina Petcu , Roger Temam

The failure of uniform dependence on the data is an interesting property of classical solution for a hyperbolic system. In this paper, we consider the solution map of the Cauchy problem to the 2D viscous shallow water equations which is a…

Analysis of PDEs · Mathematics 2020-12-01 Jinlu Li , Yanghai Yu , Weipeng Zhu

We provide sufficient and almost optimal conditions for global existence of classical solutions in parabolic H\"older spaces to quasilinear one-dimensional parabolic problems with dynamical boundary conditions.

Analysis of PDEs · Mathematics 2015-05-04 Simon Gvelesiani , Friedrich Lippoth , Christoph Walker

We study the long-time dynamics of small-amplitude solutions to the three-dimensional gravity-capillary water waves equations for an inviscid and irrotational fluid with periodic boundary conditions. We prove that, for almost all values of…

Analysis of PDEs · Mathematics 2026-04-24 Roberto Feola , Riccardo Montalto , Federico Murgante

We study a thermodynamically consistent diffuse-interface model that describes the motion of two macroscopically immiscible, incompressible, and viscous Newtonian fluids with unmatched densities. This model is compatible with continuum…

Analysis of PDEs · Mathematics 2026-04-30 Mingwen Fei , Xiang Fei , Yadong Liu , Hao Wu

This paper concerns the global well-posedness and large time asymptotic behavior of strong and classical solutions to the Cauchy problem of the Navier-Stokes equations for viscous compressible barotropic flows in two or three spatial…

Analysis of PDEs · Mathematics 2021-02-22 Jing Li , Zhouping Xin

Recently, a Hamiltonian regularised shallow water (Saint-Venant) system has been introduced by Clamond and Dutykh. This system is Galilean invariant, linearly non-dispersive and conserves formally an $H^1$-like energy. In this paper, we…

Analysis of PDEs · Mathematics 2024-03-05 Billel Guelmame , Didier Clamond , Stéphane Junca

We explore the global existence of solutions to systems of quasilinear wave equations satisfying the null condition when the initial data are sufficiently small. We adapt an approach of Keel, Smith, and Sogge, which relies on integrated…

Analysis of PDEs · Mathematics 2022-08-29 Michael Facci , Jason Metcalfe

We consider the global existence and blow up of solutions of the Cauchy problem of the quasilinear wave equation: $\partial_{t}^2 u = \partial_x(c(u)^2 \partial_x u)$, which has richly physical backgrounds. Under the assumption that…

Analysis of PDEs · Mathematics 2013-05-16 Yuusuke Sugiyama

A well-known diffuse interface model for incompressible isothermal mixtures of two immiscible fluids consists of the Navier-Stokes system coupled with a convective Cahn-Hilliard equation. In some recent contributions the standard…

Analysis of PDEs · Mathematics 2013-01-14 Sergio Frigeri , Maurizio Grasselli , Pavel Krejčí
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