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In this paper, we investigate the global existence of strong solutions for the inhomogeneous incompressible viscoelastic system with only velocity dissipation on $\mathbb{R}^{2}$. Due to the criticality of the time-weight, the methods for…

偏微分方程分析 · 数学 2026-03-03 Chengfei Ai , Yong Wang , Yunshun Wu

We consider the evolution of contact lines for thermal convection of viscous fluids in a 2D open-top vessel. The domain is bounded above by a free moving boundary and otherwise by the solid wall of a vessel. The dynamics of the fluid are…

偏微分方程分析 · 数学 2025-03-11 Yunrui Zheng

In the present work we propose and analyze a fully coupled virtual element method of high order for solving the two dimensional nonstationary Boussinesq system in terms of the stream-function and temperature fields. The discretization for…

数值分析 · 数学 2023-03-22 L. Beirão da Veiga , D. Mora , A. Silgado

The partial differential equation of Gaussian diffusion is generalized by using the time-fractional derivative of distributed order between 0 and 1, in both the Riemann-Liouville (R-L) and the Caputo (C) sense. For a general distribution of…

统计力学 · 物理学 2008-05-27 Francesco Mainardi , Antonio Mura , Gianni Pagnini , Rudolf Gorenflo

In this paper we reconsider the classical nonlinear diffusivity equation of real gas in an heterogenous porous medium in light of the recent studies about the generalized fractional equation of conservation of mass. We first recall the…

地球物理 · 物理学 2016-11-08 A. Caserta , R. Garra , E. Salusti

We prove existence and uniqueness of global solutions for a class of reaction-advection-anisotropic-diffusion systems whose reaction terms have a "triangular structure". We thus extend previous results to the case of time-space dependent…

偏微分方程分析 · 数学 2016-02-10 Dieter Bothe , André Fischer , Michel Pierre , Guillaume Rolland

In the diffusive scaling and in the whole space, we prove the global well-posedness of the scaled Boltzmann-Bose-Einstein (briefly, BBE) equation with high temperature in the low regularity space $H^2_xL^2$. In particular, we quantify the…

偏微分方程分析 · 数学 2023-08-23 Ling-Bing He , Ning Jiang , Yu-long Zhou

In this paper, the boundary flex control problem of non stationary equation governing the coupled mass and heat flow of a viscous incompressible fluid in a generalized Boussinesq approximation by assuming that viscosity and heat…

最优化与控制 · 数学 2012-07-18 Gol Kim , Gennady Valentinovich Alekseev

We study the Blackstock equation which models the propagation of nonlinear sound waves through dissipative fluids. Global well-posedness of the model with homogeneous Dirichlet boundary conditions is shown for small initial data. To this…

偏微分方程分析 · 数学 2018-12-21 Marvin Fritz , Vanja Nikolić , Barbara Wohlmuth

Studied in this paper is the sixth-order Boussinesq equation. We extend the local well-posedness theory for this equation with quadratic and cubic nonlinearities to the high dimensional case. In spite of having the ``bad'' fourth term…

偏微分方程分析 · 数学 2023-02-03 Amin Esfahani , Achenef Tesfahun

We show global well-posedness and exponential stability of equilibria for a general class of nonlinear dissipative bulk-interface systems. They correspond to thermodynamically consistent gradient structure models of bulk-interface…

偏微分方程分析 · 数学 2020-01-06 Karoline Disser

In this paper, we consider the Cauchy problem to the TROPIC CLIMATE MODEL derived by Frierson-Majda-Pauluis in [Comm. Math. Sci, Vol. 2 (2004)] which is a coupled system of the barotropic and the first baroclinic modes of the velocity and…

偏微分方程分析 · 数学 2015-04-22 Jinkai Li , Edriss S. Titi

We study the critical dissipative quasi-geostrophic equations in $\bR^2$ with arbitrary $H^1$ initial data. After showing certain decay estimate, a global well-posedness result is proved by adapting the method in [11] with a suitable…

偏微分方程分析 · 数学 2007-05-23 Hongjie Dong , Dapeng Du

We consider in this paper the well-posedness for the Cauchy problem associated to two-dimensional dispersive systems of Boussinesq type which model weakly nonlinear long wave surface waves. We emphasize the case of the {\it strongly…

偏微分方程分析 · 数学 2011-04-12 Felipe Linares , Didier Pilod , Jean-Claude Saut

We give a probabilistic numerical method for solving a partial differential equation with fractional diffusion and nonlinear drift. The probabilistic interpretation of this equation uses a system of particles driven by L\'evy alpha-stable…

概率论 · 数学 2010-07-26 Benjamin Jourdain , Raphaël Roux

We consider the Cauchy problem for a damped Euler-Maxwell system with no ionic background. For smooth enough data satisfying suitable so-called dispersive conditions, we establish the global in time existence and uniqueness of a strong…

偏微分方程分析 · 数学 2024-02-02 Bernard Ducomet , Šárka Nečasová , John Sebastian H. Simon

We introduce a general coupled system of parabolic equations with quadratic nonlinear terms and diffusion terms defined by fractional powers of the Laplacian operator. We develop a method to establish the rigorous convergence of the…

偏微分方程分析 · 数学 2024-12-25 Oscar Jarrin , Geremy Loachamin

The paper entitled "Well posedness of general cross-diffusion systems", by C. Choquet, C. Rosier, L. Rosier, J. Diff. Eq. 2021, is devoted to the mathematical analysis of the Cauchy problem for general cross-diffusion systems without any…

偏微分方程分析 · 数学 2021-08-31 Catherine Choquet

In recent years, the Boussinesq type fractional partial differential equation has attracted much attentions of researchers for its practical importance. In this paper we study a non-local problem for the Boussinesq type equation $D_t^\alpha…

偏微分方程分析 · 数学 2024-04-18 Ravshan Ashurov , Yusuf Fayziev , Muattar Khudoykulova

We consider a diffusion process on an evolving surface with a piecewise Lipschitz-continuous boundary from an energetic point of view. We employ an energetic variational approach with both surface divergence and transport theorems to derive…

数学物理 · 物理学 2018-10-19 Hajime Koba