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This paper is devoted to the well-posedness of the inhomogeneous nonlinear wave equations. By combining Strichartz estimates with the contraction mapping principle, we establish local and global well-posedness in the function spaces…

偏微分方程分析 · 数学 2026-04-07 Jiang Boyu Shen Jiawei , Li Kexue

The Hamiltonian formulation of the water wave problem due to Zakharov, and the reduced Zakharov equation derived therefrom, have great utility in understanding and modelling water waves. Here we set out to review the cubic Zakharov equation…

流体动力学 · 物理学 2026-03-12 Raphael Stuhlmeier

We provide the first proof of local well-posedness for the two-dimensional gravity water wave equations with spatially quasi-periodic initial conditions. We represent the solution using holomorphic coordinates, which are equivalent to a…

偏微分方程分析 · 数学 2026-03-26 Mihaela Ifrim , Jon Wilkening , Xinyu Zhao

We study traveling wave solutions to the free boundary problem associated to a generalized Navier-Stokes Fourier system, which models a viscous, incompressible, heat-conducting fluid. The fluid is assumed to occupy a horizontally infinite…

偏微分方程分析 · 数学 2026-03-24 Jae Ho Choi , Ian Tice

The Euler's equations describe the motion of inviscid fluid. In the case of shallow water, when a perturbative asymtotic expansion of the Euler's equations is taken (to a certain order of smallness of the scale parameters), relations to…

可精确求解与可积系统 · 物理学 2007-09-02 Rossen I. Ivanov

Ostrovsky's equation with time- and space- dependent forcing is studied. This equation is model for long waves in a rotating fluid with a non-constant depth (topography). A classification of Lie point symmetries and low-order conservation…

数学物理 · 物理学 2022-02-22 Stephen C. Anco , Maria Gandarias

Existence and uniqueness of solutions is shown for a class of viscoelastic flows in porous media with particular attention to problems with nonsmooth porosities. The considered models are formulated in terms of the time-dependent nonlinear…

偏微分方程分析 · 数学 2024-10-07 Markus Bachmayr , Simon Boisserée , Lisa Maria Kreusser

This paper is dedicated to the study of viscous compressible barotropic fluids in dimension $N\geq2$. We address the question of well-posedness for {\it large} data having critical Besov regularity. %Our sole additional assumption is that…

偏微分方程分析 · 数学 2009-03-04 Boris Haspot

This paper considers a family of non-diffusive active scalar equations where a viscosity type parameter enters the equations via the constitutive law that relates the drift velocity with the scalar field. The resulting operator is smooth…

偏微分方程分析 · 数学 2019-10-02 Susan Friedlander , Anthony Suen

The purpose of this article is to introduce for dispersive partial differential equations with random initial data, the notion of well-posedness (in the Hadamard-probabilistic sense). We restrict the study to one of the simplest examples of…

偏微分方程分析 · 数学 2011-03-14 Nicolas Burq , Nikolay Tzvetkov

In this paper, we consider the full compressible, viscous, non-resistive MHD system under the assumption that the fluids move on a plane while the magnetic field is oriented vertically. Within the framework of Besov spaces, by introducing…

偏微分方程分析 · 数学 2024-08-15 Xiaoping Zhai , Shunhang Zhang

We consider the two-dimensional water-wave problem with a general non-zero vorticity field in a fluid volume with a flat bed and a free surface. The nonlinear equations of motion for the chosen surface and volume variables are expressed…

偏微分方程分析 · 数学 2024-09-04 Delia Ionescu-Kruse , Rossen Ivanov

We study a three-dimensional incompressible viscous fluid in a horizontally periodic domain with finite depth whose free boundary is the graph of a function. The fluid is subject to gravity and generalized forces arising from a surface…

偏微分方程分析 · 数学 2018-06-21 Antoine Remond-Tiedrez , Ian Tice

This paper presents the second-order perturbation theory of the Navier-Stokes equations for free surface flows, with the wave amplitude considered as the perturbation parameter. Gravity-capillary surface waves in incompressible viscous…

流体动力学 · 物理学 2023-03-28 Arash Ghahraman , Gyula Bene

The purpose of this paper is to deal with the issue of well-posedness for a class of non-Newtonian fluid dynamics equations. These sets of equations are commonly used to describe various complex models that appear in nature, industry, and…

偏微分方程分析 · 数学 2022-02-09 Bilal Al Taki

The nonlinear two-dimensional problem, describing periodic steady waves on water of finite depth is considered in the absence of surface tension. It is reduced to a single pseudo-differential operator equation (Babenko's equation), which is…

偏微分方程分析 · 数学 2018-05-17 Nikolay Kuznetsov , Evgueni Dinvay

We describe the collective hydrodynamic motion of an incommensurate charge density wave state in a clean electronic system. Our description simultaneously incorporates the effects of both pinning due to weak disorder and also phase…

强关联电子 · 物理学 2017-11-22 Luca V. Delacrétaz , Blaise Goutéraux , Sean A. Hartnoll , Anna Karlsson

We consider a model of an elastic body immersed between two layers of incompressible viscous fluid. The elastic displacement $w$ is governed by the damped wave equation $w_{tt} + \alpha w_t + \Delta w =0$ without any stabilization terms,…

偏微分方程分析 · 数学 2023-09-06 Igor Kukavica , Wojciech S. Ożański

In this paper, we derive a viscous generalization of the Dysthe (1979) system from the weakly viscous generalization of the Euler equations introduced by Dias, Dyachenko, and Zakharov (2008). This "viscous Dysthe" system models the…

流体动力学 · 物理学 2016-08-24 J. D. Carter , A. Govan

We prove that the 3-D compressible Euler equations with surface tension along the moving free-boundary are well-posed. Specifically, we consider isentropic dynamics and consider an equation of state, modeling a liquid, given by Courant and…

偏微分方程分析 · 数学 2012-08-15 Daniel Coutand , Jason Hole , Steve Shkoller