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This note provides a deeper understanding of the main results obtained in the author's 2007 DPDE paper \cite{Xiao}.

偏微分方程分析 · 数学 2013-09-16 Jie Xiao

In this work, we develop a high-order collocation method using radial basis function (RBF) for the incompressible Navier-Stokes equation (NSE) on the rotating sphere. The method is based on solving the projection of the NSE on the space of…

数值分析 · 数学 2022-04-27 Tino Franz

We consider a modification of the three-dimensional Navier--Stokes equations and other hydrodynamical evolution equations with space-periodic initial conditions in which the usual Laplacian of the dissipation operator is replaced by an…

偏微分方程分析 · 数学 2009-11-19 Claude Bardos , Uriel Frisch , Walter Pauls , Samriddhi Sankar Ray , Edriss S. Titi

The paper concerns with the global well-posedness issue of the 2D incompressible inhomogeneous Navier-Stokes (INS) equations with fractional dissipation and rough density. We first establish the $L^q_t(L^p)$-maximal regularity estimate for…

偏微分方程分析 · 数学 2021-11-25 Yatao Li , Qianyun Miao , Liutang Xue

We investigate in the present paper the Navier-Stokes equations on quantum Euclidean spaces $\mathbb{R}^d_{\theta}$ with $\theta$ being a $d\times d$ antisymmetric matrix, which is a standard example of non-compact noncommutative manifolds.…

泛函分析 · 数学 2025-11-07 Deyu Chen , Guixiang Hong , Liang Wang , Wenhua Wang

In computational fluid dynamics, the demand for increasingly multidisciplinary reliable simulations, for both analysis and design optimization purposes, requires transformational advances in individual components of future solvers. At the…

The modified biharmonic equation is encountered in a variety of application areas, including streamfunction formulations of the Navier-Stokes equations. We develop a separation of variables representation for this equation in polar…

数值分析 · 数学 2017-10-17 Travis Askham

We develop a dynamical systems theory for the compressible Navier-Stokes equations based on global in time weak solutions. The following questions will be addressed: Global existence and critical values of the adiabatic constant;…

动力系统 · 数学 2007-05-23 Eduard Feireisl

We consider solutions to the 2d Navier-Stokes equations on $\mathbb{T}\times\mathbb{R}$ close to the Poiseuille flow, with small viscosity $\nu>0$. Our first result concerns a semigroup estimate for the linearized problem. Here we show that…

偏微分方程分析 · 数学 2020-08-26 Michele Coti Zelati , Tarek M. Elgindi , Klaus Widmayer

Inspired by Abbatiello, Feireisl and Novotn\'y, we prove the global existence of dissipative turbulent solution for the compressible Navier-Stokes equations with anisotropic viscous stress tensor on unbounded domain. Our work complements…

偏微分方程分析 · 数学 2025-10-24 Ondřej Kreml , Šárka Nečasová , Tong Tang

This study explores a formulation of the Navier Stokes equations (NSE) using fractional calculus in modeling turbulence. By generalizing the stress strain constitutive relation to incorporate nonlocal spatial interactions and memory…

流体动力学 · 物理学 2025-08-05 Siamak Kazemzadeh Hannani , Ehsan Ghaderi

We consider the initial-value problem in the $d$-dimensional Euclidean space $\mathbb{R}^d$ $(d \ge 3)$ for the compressible Navier-Stokes-Korteweg equations under the zero sound speed case (namely, $P'(\rho_*)=0$, where $P=P(\rho)$ stands…

偏微分方程分析 · 数学 2025-06-03 Takayuki Kobayashi , Ryosuke Nakasato

We consider a numerical approach for the incompressible surface Navier-Stokes equation on surfaces with arbitrary genus $g(\mathcal{S})$. The approach is based on a reformulation of the equation in Cartesian coordinates of the embedding…

数值分析 · 数学 2018-02-14 Sebastian Reuther , Axel Voigt

This paper addresses the numerical solution of the two-dimensional Navier--Stokes (NS) equations with nonsmooth initial data in the $L^2$ space, which is the critical space for the two-dimensional NS equations to be well-posed. In this…

数值分析 · 数学 2025-10-02 Buyang Li , Qiqi Rao , Hui Zhang , Zhi Zhou

In this chapter we provide an introduction to fractional dissipative partial differential equations (PDEs) with a focus on trying to understand their dynamics. The class of PDEs we focus on are reaction-diffusion equations but we also…

We study the N-dimensional pressureless Navier--Stokes-Poisson equations with density-dependent viscosity. With the extension of the blowup solutions for the Euler-Poisson equations, the analytical blowup solutions,in radial symmetry, in…

天体物理学 · 物理学 2009-07-30 Manwai Yuen

In this paper, we consider the solvability of the two-dimensional stationary Navier--Stokes equations on the whole plane $\mathbb{R}^2$. In [6], it was proved that the stationary Navier--Stokes equations on $\mathbb{R}^2$ is ill-posed for…

偏微分方程分析 · 数学 2024-07-09 Mikihiro Fujii , Hiroyuki Tsurumi

Due to the seminal works of Hochbruck and Ostermann exponential splittings are well established numerical methods utilizing operator semigroup theory for the treatment of semilinear evolution equations whose principal linear part involves a…

泛函分析 · 数学 2022-07-25 Bálint Farkas , Birgit Jacob , Merlin Schmitz

In this paper we show some explicit results regarding non-linear diffusive equations on Poincar\'e half plane. We obtain exact solutions by using the generalized separation of variables and we also show the meaning of these results in the…

偏微分方程分析 · 数学 2023-09-26 Roberto Garra , Francesco Maltese

We present an adaptive finite element method for the incompressible Navier--Stokes equations based on a standard splitting scheme (the incremental pressure correction scheme). The presented method combines the efficiency and simplicity of a…

数值分析 · 数学 2012-05-15 Kristoffer Selim , Anders Logg , Mats G. Larson