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Under certain conditions, imposed on the viscosity of the fluid, initial data and the class of contours under consideration, the Cauchy problem with finite values of time for the loop equation in turbulence with Gaussian random forces is…

高能物理 - 理论 · 物理学 2009-10-30 D. V. Antonov

We consider the sloshing problem for an incompressible, inviscid, irrotational fluid in an open container, including effects due to surface tension on the free surface. We restrict ourselves to a constant contact angle and seek…

偏微分方程分析 · 数学 2017-06-21 Chee Han Tan , Christel Hohenegger , Braxton Osting

We establish the global-in-time existence of solutions of the Cauchy problem for the full Navier-Stokes equations for compressible heat-conducting flow in multidimensions with initial data that are large, discontinuous, spherically…

偏微分方程分析 · 数学 2022-08-11 Gui-Qiang G. Chen , Yucong Huang , Shengguo Zhu

We study the Cauchy problem for the three-dimensional isentropic compressible ideal (inviscid and non-resistive) magnetohydrodynamic equations with velocity damping on the periodic torus $\mathbb{T}^3$. The system admits a steady…

偏微分方程分析 · 数学 2026-05-07 Liening Qiao , Jiahong Wu , Fuyi Xu , Xiaoping Zhai

This paper concerns the dynamics of two layers of compressible, barotropic, viscous fluid lying atop one another. The lower fluid is bounded below by a rigid bottom, and the upper fluid is bounded above by a trivial fluid of constant…

偏微分方程分析 · 数学 2016-04-20 Juhi Jang , Ian Tice , Yanjin Wang

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…

偏微分方程分析 · 数学 2020-12-01 Jinlu Li , Yanghai Yu , Weipeng Zhu

This paper studies the local existence of strong solutions to the Cauchy problem of the 2D fluid-particle interaction model with vacuum as far field density. Notice that the technique used by Ding et al.\cite{SBH} for the corresponding 3D…

偏微分方程分析 · 数学 2016-09-04 Yang Liu

We are interested in the system of gravity water waves equations without surface tension. Our purpose is to study the optimal regularity thresholds for the initial conditions. In terms of Sobolev embeddings, the initial surfaces we consider…

偏微分方程分析 · 数学 2014-04-17 Thomas Alazard , Nicolas Burq , Claude Zuily

We develop the analysis of finite element approximations of implicit power-law-like models for viscous incompressible fluids. The Cauchy stress and the symmetric part of the velocity gradient in the class of models under consideration are…

数值分析 · 数学 2013-10-30 Lars Diening , Christian Kreuzer , Endre Süli

In this contribution we describe the role of several two-component integrable systems in the classical problem of shallow water waves. The starting point in our derivation is the Euler equation for an incompressible fluid, the equation of…

可精确求解与可积系统 · 物理学 2024-10-14 Rossen I. Ivanov

For the natural initial conditions $L^1$ in the density field (more generally a positive bounded Radon measure) and $L^\infty$ in the velocity field we obtain global approximate solutions to the Cauchy problem for the 3-D systems of…

偏微分方程分析 · 数学 2014-06-03 Mathilde Colombeau

We consider the global existence and large-time asymptotic behavior of strong solutions to the Cauchy problem of the three-dimensional nonhomogeneous incompressible Navier-Stokes equations with density-dependent viscosity and vacuum. We…

偏微分方程分析 · 数学 2021-01-12 Cheng He , Jing Li , Boqiang Lü

This work focuses on the mathematical analysis of the Cauchy problem associated with a two-dimensional equation describing the dynamics of a thin fluid film flowing down an inclined flat plate under the influence of gravity and an electric…

偏微分方程分析 · 数学 2025-06-23 Manuel Fernando Cortez , Oscar Jarrin , Miguel Yangari

Spatial non-locality of space-fractional viscoelastic equations of motion is studied. Relaxation effects are accounted for by replacing second-order time derivatives by lower-order fractional derivatives and their generalizations. It is…

数学物理 · 物理学 2015-06-03 Andrzej Hanyga , Malgorzata Seredynska

In this article, the Cauchy problem of three-dimensional (3-D) incompressible magnetohydrodynamic system was investigated. If the initial $\mathcal{M}^{1,1}$ norms of the vorticity $\omega$ and the current density $j$ are both sufficiently…

偏微分方程分析 · 数学 2020-03-25 Feng Liu , Shuai Xi , Shengguo Zhu

We prove local existence and uniqueness of the Cauchy problem for a large class of tensorial second order linear hyperbolic partial differential equations with coefficients of low regularity in a suitable class of generalized functions.

偏微分方程分析 · 数学 2011-04-07 Clemens Hanel

In this paper, the Cauchy problem for the three-dimensional (3-D) full compressible Navier-Stokes equations (CNS) with zero thermal conductivity is considered. First, when shear and bulk viscosity coefficients both depend on the absolute…

偏微分方程分析 · 数学 2023-01-18 Qin Duan , Zhouping Xin , Shengguo Zhu

In this paper, we study the Cauchy problem for a generalized cross-coupled Camassa-Holm system with peakons and higher-order nonlinearities. By the transport equation theory and the classical Friedrichs regularization method, we obtain the…

数学物理 · 物理学 2016-01-21 Shouming Zhou , Zhijun Qiao , Chunlai Mu

The derivation of shallow water models from Navier-Stokes equations is revisited yielding a class of two-layer shallow water models.An improved velocity profile is proposed, based on the superposition of an ideal fluid and a viscous layer…

偏微分方程分析 · 数学 2018-06-11 François James , Pierre-Yves Lagrée , Hoang-Minh Le , Mathilde Legrand

We consider the Cauchy problem for one-dimensional p-system with damping of space-dependent coefficient. This system models the compressible flow through porous media in the Lagrangean coordinate. Our concern is an asymptotic behavior of…

偏微分方程分析 · 数学 2023-07-13 Akitaka Matsumura , Kenji Nishihara