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The nonhomogeneous Navier-Stokes equations are considered in a cylindrical domain in ${\mathbb R}^3$, parallel to the $x_3$-axis with large inflow and outflow on the top and the bottom. Moreover, on the lateral part of the cylinder the slip…

偏微分方程分析 · 数学 2024-02-08 Joanna Rencławowicz , Wojciech M. Zajączkowski

We establish the well-posedness of a strongly damped semilinear wave equation equipped with nonlinear hyperbolic dynamic boundary conditions. Results are carried out with the presence of a parameter distinguishing whether the underlying…

偏微分方程分析 · 数学 2016-03-23 P. Jameson Graber , Joseph L. Shomberg

We study well-posedness and long-time dynamics of a class of quasilinear wave equations with a strong damping. We accept the Kirchhoff hypotheses and assume that the stiffness and damping coefficients are $C^1$ functions of the $L_2$-norm…

偏微分方程分析 · 数学 2011-01-13 Igor Chueshov

We consider the Maxwell-Bloch system which is a finite-dimensional approximation of the coupled nonlinear Maxwell-Schr\"odinger equations. The approximation consists of one-mode Maxwell field coupled to two-level molecule. We construct…

数学物理 · 物理学 2025-12-15 Alexander Komech

This paper is concerned with the stability and large-time behavior for 3D magneto-micropolar equations with horizontal dissipation. The global well-posedness of the aforementioned system is established, with the initial data and its…

偏微分方程分析 · 数学 2025-09-25 Peng Lu , Yuanyuan Qiao

We study the asymptotic behavior of large data solutions in the energy space $H := H^1(\R^d)$ in very high dimension $d \geq 11$ to defocusing Schr\"odinger equations $i u_t + \Delta u = |u|^{p-1} u + Vu$ in $\R^d$, where $V \in…

偏微分方程分析 · 数学 2008-05-28 Terence Tao

Under the action of a time-periodic external forces we prove the existence of at least one time-periodic weak solution for the interaction between a three-dimensional incompressible fluid, governed by the Navier- Stokes equation and a two…

偏微分方程分析 · 数学 2022-04-08 Claudiu Mîndrilă , Sebastian Schwarzacher

The paper gives a detailed study of long-time dynamics generated by weakly damped wave equations in bounded 3D domains where the damping exponent depends explicitly on time and may change sign. It is shown that in the case when the…

偏微分方程分析 · 数学 2019-10-08 Qingquan Chang , Dandan Li , Chunyou Sun , Sergey Zelik

We consider non-Newtonian incompressible 3D fluid of Ladyzhenskaya type, in the setting of the dynamic boundary condition. Assuming sufficient growth rate of the stress tensor with respect to the velocity gradient, we establish explicit…

偏微分方程分析 · 数学 2023-01-20 Dalibor Prazak , Buddhika Priyasad

We study coupled non-linear parabolic equations for a fluid described by a material density and a temperature, both functions of space and time. In one dimension, we find some stationary solutions corresponding to fixing the temperature on…

数学物理 · 物理学 2007-05-23 R. F. Streater

The purpose of this paper is to investigate the existence and estimation of Hausdorff and fractal dimension of global attractors for a delayed reaction-diffusion equation on an unbounded domain. The noncompactness of the domain cause the…

动力系统 · 数学 2023-10-20 Wenjie Hu , Tomás Caraballo

We study the long-time behavior of the unique viscosity solution $u$ of the viscous Hamilton-Jacobi Equation $u_t-\Delta u + |Du|^m = f\hbox{in }\Omega\times (0,+\infty)$ with inhomogeneous Dirichlet boundary conditions, where $\Omega$ is a…

偏微分方程分析 · 数学 2009-03-27 Thierry Wilfried Tabet Tchamba

We investigate the initial-value problem for the semilinear plate equation containing localized strong damping, localized weak damping and nonlocal nonlinearity. We prove that if nonnegative damping coefficients are strictly positive almost…

偏微分方程分析 · 数学 2017-04-11 Azer Khanmamedov , Sema Yayla

We investigate the global existence and long-time behavior of large solutions, in the high-capillarity regime, for a general multidimensional non-conservative compressible two-fluid model with the capillary pressure relation…

偏微分方程分析 · 数学 2025-10-15 Ling-Yun Shou , Jiayan Wu , Lei Yao , Yinghui Zhang

We analyze a diffuse interface model for multi-phase flows of $N$ incompressible, viscous Newtonian fluids with different densities. In the case of a bounded and sufficiently smooth domain existence of weak solutions in two and three space…

偏微分方程分析 · 数学 2024-01-15 Helmut Abels , Harald Garcke , Andrea Poiatti

In this paper we provide a dynamical characterization of isolated invariant continua which are global attractors for planar dissipative flows. As a consequence, a sufficient condition for an isolated invariant continuum to be either an…

动力系统 · 数学 2018-02-19 Héctor Barge , José M. R. Sanjurjo

In this paper, under some appropriate assumptions, we prove the existence of the minimal time-dependent pullback $\mathcal D_{\sigma}^{\mathcal{H}_{t}}$-attractors ${\mathcal{A}}_{\mathcal D_{\sigma}^{\mathcal{H}_{t}}}$ for the…

偏微分方程分析 · 数学 2022-10-20 Bin Yang , Yuming Qin

P. Galenko et al. proposed a modified Cahn-Hilliard equation to model rapid spinodal decomposition in non-equilibrium phase separation processes. This equation contains an inertial term which causes the loss of any regularizing effect on…

偏微分方程分析 · 数学 2008-04-08 Maurizio Grasselli , Giulio Schimperna , Sergey Zelik

The purpose of this paper is to give a characterization of the structure of non-autonomous attractors of the problem $u_t= u_{xx} + \lambda u - \beta(t)u^3$ when the parameter $\lambda > 0$ varies. Also, we answer a question proposed in…

动力系统 · 数学 2020-01-08 Rita de Cássia D. S. Broche , Alexandre N. Carvalho , José Valero

Consideration of various hydrodynamic phenomena involves the study of the Navier-Stokes (N-S) equations, what is hard enough for analytical and numerical investigations since already in three-dimensional (3D) case it is a challenging task…

混沌动力学 · 物理学 2016-11-22 N. V. Kuznetsov , G. A. Leonov , T. N. Mokaev