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This article considers the ideal 2D magnetohydrodynamic equations on an infinite periodic channel close to a combination of an affine shear flow, called Couette flow, and a constant magnetic field. This setting combines important physical…

偏微分方程分析 · 数学 2025-04-03 Niklas Knobel

We investigate local and global strong solutions for the incompressible viscoelastic system of Oldroyd--B type. We obtain the existence and uniqueness of a solution in a functional setting invariant by the scaling of the associated…

偏微分方程分析 · 数学 2011-02-01 Ting Zhang , Daoyuan Fang

The two-phase horizontally periodic quasistationary Stokes flow in $\mathbb{R}^2$, describing the motion of two immiscible fluids with equal viscosities that are separated by a sharp interface, which is parameterized as the graph of a…

偏微分方程分析 · 数学 2024-06-12 Daniel Böhme , Bogdan-Vasile Matioc

In this work, we study the global existence of strong solutions and large-time behavior of a two-phase fluid model in a bounded domain. The model consists of the isothermal Euler equations and the isentropic compressible Navier--Stokes…

偏微分方程分析 · 数学 2021-01-01 Jinwook Jung

Physical experiments and numerical simulations have revealed a remarkable stabilizing phenomenon: a background magnetic field stabilizes and dampens electrically conducting fluids. This paper provides a rigorous mathematical justification…

偏微分方程分析 · 数学 2025-10-29 Qunyi Bie , Hui Fang , Yanping Zhou

This paper is concerned with the incompressible limit problem for strong solutions of compressible two-phase flow models under periodic boundary conditions, where the Navier-Stokes equations are nonlinearly coupled with either Cahn-Hilliard…

偏微分方程分析 · 数学 2025-03-04 Yinghua Li , Manrou Xie

Motivated by the applications, a class of optimal control problems is investigated, where the goal is to influence the behavior of a given population through another controlled one interacting with the first. Diffusive terms accounting for…

最优化与控制 · 数学 2023-03-10 Stefano Almi , Marco Morandotti , Francesco Solombrino

This paper addresses the problem of obtaining low-order models of fluid flows for the purpose of designing robust feedback controllers. This is challenging since whilst many flows are governed by a set of nonlinear, partial…

流体动力学 · 物理学 2017-10-13 Bryn Ll. Jones , Peter H. Heins , Eric C. Kerrigan , Jonathan F. Morrison , Ati S. Sharma

This paper is concerned with a 2D channel flow that is periodic horizontally but bounded above and below by hard walls. We assume the presence of horizontal viscosity only. We study the well-posedness, large-time behavior, and stability of…

偏微分方程分析 · 数学 2025-07-04 Chongsheng Cao , Yanqiu Guo

A consistent and conservative Phase-Field method, including both the model and scheme, is developed for multiphase flows with an arbitrary number of immiscible and incompressible fluid phases. The consistency of mass conservation and the…

计算物理 · 物理学 2022-02-15 Ziyang Huang , Guang Lin , Arezoo M. Ardekani

This work is a continuation of the previous one in [{\it Optimization} (2023)], where the existence of optimal solutions and first-order necessary optimality conditions in both Pontryagin's maximum principle form and the variational form…

最优化与控制 · 数学 2024-10-01 Cung The Anh , Nguyen Hai Ha Giang

In this paper, we consider the motion of incompressible magnetohydrodynamics (MHD) with resistivity in a domain bounded by a free surface. The free boundary problem for MHD is an important problem not only for mathematical fluid dynamics…

偏微分方程分析 · 数学 2021-01-26 Kenta Oishi , Yoshihiro Shibata

This paper is the first part of a work which consists in proving the stabilization to zero of a fluid-solid system, in dimension 2 and 3. The considered system couples a deformable solid and a viscous incompressible fluid which satisfies…

偏微分方程分析 · 数学 2014-01-06 Sébastien Court

Solutions to the compressible Euler equations in all dimensions have been shown to develop finite-time singularities from smooth initial data such as shocks and cusps. There is an extraordinary list of results on this subject. When the…

偏微分方程分析 · 数学 2025-07-10 Jiahong Wu , Fuyi Xu , Xiaoping Zhai

This paper focuses on the 3D incompressible magnetohydrodynamic (MHD) equations with mixed partial dissipation and magnetic diffusion. Our main result assesses the global stability of perturbations near the steady solution given by a…

偏微分方程分析 · 数学 2019-06-13 Jiahong Wu , Yi Zhu

The aim of various technical applications (for example fusion research) is to control a plasma by magnetic fields in a desired fashion. In our model the plasma is described by the Vlasov-Poisson system that is equipped with an external…

偏微分方程分析 · 数学 2021-10-12 Patrik Knopf

Governing equations of motion for a viscous incompressible material surface are derived from the balance laws of continuum mechanics. The surface is treated as a time-dependent smooth orientable manifold of codimension one in an ambient…

数学物理 · 物理学 2018-10-10 Thomas Jankuhn , Maxim A. Olshanskii , Arnold Reusken

We consider a two-dimensional MHD model describing the evolution of viscous, compressible and electrically conducting fluids under the action of vertical magnetic field without resistivity. Existence of global weak solutions is established…

偏微分方程分析 · 数学 2019-07-02 Yang Li , Yongzhong Sun

This paper investigates the exact controllability problem for multi-dimensional stochastic first-order symmetric hyperbolic systems with control inputs acting in two distinct ways: an internal control applied to the diffusion term and a…

最优化与控制 · 数学 2026-01-27 Zengyu Li , Qi Lü , Yu Wang , Haitian Yang

The global existence of classical solutions to the 3D compressible magneto-micropolar fluid system without resistivity and spin viscosity in a strip domain was recently established by Feng, Hong, and Zhu [Sci. China Math., 2024]. While Lin…

偏微分方程分析 · 数学 2026-05-22 Youyi Zhao