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We study a novel approach for the existence of solutions to an incompressible fluid-rigid body interaction problem in three dimensions. Our approach introduces an iteration based on a sequence of related problems posed on domains with…

数值分析 · 数学 2026-01-21 Charles M. Elliott , Thomas Sales

For research in the field of transformation optics and for the calculation of optically inhomogeneous lenses the method of geometrization of the Maxwell equations seems to be perspective. The basic idea is to transform the coefficients of…

数学物理 · 物理学 2014-02-25 D. S. Kulyabov , A. V. Korolkova , L. A. Sevastyanov

We present a class of thermodynamic systems with constant thermodynamic curvature which, within the context of geometric approaches of thermodynamics, can be interpreted as constant thermodynamic interaction among their components. In…

数学物理 · 物理学 2013-09-05 A. C. Gutiérrez-Piñeres , C. S. López-Monsalvo , F. Nettel

The mathematical formulation, basic concept and numerical implementation of a new meshless method for solving three dimensional fluid flow and related heat transfer problems are presented in this paper. Moving least squares approximation is…

计算物理 · 物理学 2018-09-10 Cheng-An Wang , Hamou Sadat , Christian Prax

We present a new hydrodynamic model consisting of the pressureless Euler equations and the isentropic compressible Navier-Stokes equations where the coupling of two systems is through the drag force. This coupled system can be derived, in…

偏微分方程分析 · 数学 2016-04-19 Young-Pil Choi , Bongsuk Kwon

An overview of recent results pertaining to the hydrodynamic description (both Newtonian and non-Newtonian) of granular gases described by the Boltzmann equation for inelastic Maxwell models is presented. The use of this mathematical model…

软凝聚态物质 · 物理学 2011-08-30 V. Garzó , A. Santos

Approximate analytical solution of two dimensional problem for stationary Navier-Stokes, continuity and Fourier-Kirchhoff equations describing free convective heat transfer from isothermal surface of half infinite vertical plate is…

流体动力学 · 物理学 2012-10-23 Sergey Leble , Witold M. Lewandowski

We consider a system of nonlinear partial differential equations modeling the unsteady motion of an incompressible generalized Newtonian fluid with chemical reactions. The system consists of the generalized Navier-Stokes equations with…

偏微分方程分析 · 数学 2024-07-15 Kyueon Choi , Kyungkeun Kang , Seungchan Ko

In this paper, we are going to review the gravitating electromagnetic field in the 1+3 formalism on a general hyperbolic space-time manifold. We also discuss the recent results on the existence of the local field line solutions of the…

广义相对论与量子宇宙学 · 物理学 2020-04-15 Ion V. Vancea

In this paper, we are concerned with the global wellposedness of 3-D inhomogeneous incompressible Navier-Stokes equations \eqref{1.3} in the critical Besov spaces with the norm of which are invariant by the scaling of the equations and…

偏微分方程分析 · 数学 2013-01-29 Jean-Yves Chemin , Marius Paicu , Ping Zhang

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…

偏微分方程分析 · 数学 2016-11-27 Didier Bresch , Pascal Noble

We investigate a new two-dimensional compressible Navier-Stokes hydrodynamic model design to explain and study large scale ice swirls formation at the surface of the ocean. The linearized model generates a basis of Bessel solutions from…

斑图形成与孤子 · 物理学 2019-07-24 Zhi Zong , Andrei Ludu

The Navier-Stokes-Coriolis system is a simple model for rotating fluids, which allows to study the influence of the Coriolis force on the dynamics of three-dimensional flows. In this paper, we consider the NSC system in an infinite…

偏微分方程分析 · 数学 2009-01-12 Thierry Gallay , Violaine Roussier-Michon

In this article we write the equations of barotropic compressible fluid mechanics as a geodesic equation on an infinite-dimensional manifold. The equations are given by \begin{align} u_t + \nabla_uu = -\frac{1}{\rho} \grad p \\ \rho_t +…

微分几何 · 数学 2015-06-15 Stephen C. Preston

We consider the isentropic Navier-Stokes-Korteweg equations with a non-decreasing pressure on the whole space $\mathbb{R}^n$ $(n \ge 2)$, where the system describes the motion of compressible fluids such as liquid-vapor mixtures with phase…

偏微分方程分析 · 数学 2019-12-25 Keiichi Watanabe

Time-dependent free surface problem for the incompressible Navier-Stokes equations which describes the motion of viscous incompressible fluid nearly half-space are considered. We obtain global well-posedness of the problem for a small…

偏微分方程分析 · 数学 2023-07-27 Takayoshi Ogawa , Senjo Shimizu

An initial boundary value problem for compressible Magnetohydrodynamics (MHD) is considered on an exterior domain (with the first Betti number vanishes) in $R^3$ in this paper. The global existence of smooth solutions near a given constant…

偏微分方程分析 · 数学 2022-11-23 Hairong Liu , Tao Luo , Hua Zhong

In this paper, we consider the global well-posedness problem of the isentropic compressible Navier-Stokes equations in the whole space $\R^N$ with $N\ge2$. In order to better reflect the characteristics of the dispersion equation, we make…

偏微分方程分析 · 数学 2016-08-24 Daoyuan Fang , Ting Zhang , Ruizhao Zi

We investigate a non-isothermal diffuse-interface model that describes the dynamics of two-phase incompressible flows with thermo-induced Marangoni effect. The governing PDE system consists of the Navier--Stokes equations coupled with…

偏微分方程分析 · 数学 2023-07-28 Hao Wu

We consider steady solutions to the incompressible Euler equations in a two-dimensional channel with rigid walls. The flow consists of two periodic layers of constant vorticity separated by an unknown interface. Using global bifurcation…

偏微分方程分析 · 数学 2025-06-23 Alex Doak , Karsten Matthies , Jonathan Sewell , Miles H. Wheeler