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相关论文: Remarks on a quasi-linear model of the Navier-Stok…

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A new approach to the old-standing problem of the anomaly of the scaling exponents of nonlinear models of turbulence has been proposed and tested through numerical simulations. This is achieved by constructing, for any given nonlinear…

概率论 · 数学 2016-11-08 Hakima Bessaih , Benedetta Ferrario

This is a rather comprehensive study on the dynamics of Navier-Stokes and Euler equations via a combination of analysis and numerics. We focus upon two main aspects: (a). zero viscosity limit of the spectra of linear Navier-Stokes operator,…

混沌动力学 · 物理学 2007-05-23 Yueheng Lan , Y. Charles Li

We investigate the physical-space locality of interactions in three-dimensional incompressible turbulent flow. To that, we modify the nonlinear terms of the vorticity equation such that the vorticity field is advected and stretched by the…

流体动力学 · 物理学 2024-12-03 Ryo Araki , Wouter J. T. Bos , Susumu Goto

Recently, strong evidence has accumulated that some solutions to the Navier-Stokes equations in physically meaningful classes are not unique. The primary purpose of this paper is to establish necessary properties for the error of…

偏微分方程分析 · 数学 2023-12-19 Zachary Bradshaw

In this paper, we study a hyperbolic version of the Navier-Stokes equations, obtained by using the approximation by relaxation of the Euler system, evolving in a thin strip domain. The formal limit of these equations is a hyperbolic Prandtl…

偏微分方程分析 · 数学 2023-01-19 Nacer Aarach

We conduct numerical simulations of rocket plume impingement on a lunar landing surface using two complementary frameworks: the Boltzmann equation, which naturally captures rarefied gas dynamics, and the Navier Stokes (NS) equations, the…

流体动力学 · 物理学 2026-02-10 Songyan Tian , Lei Wu

This paper introduces a novel mathematical framework for examining the regularity and energy dissipation properties of solutions to the stochastic Navier-Stokes equations. By integrating Sobolev-Besov hybrid spaces, fractional differential…

偏微分方程分析 · 数学 2024-11-18 Rômulo Damasclin Chaves dos Santos , Jorge Henrique de Oliveira Sales

In this paper, a lower bound estimate on the uniform radius of spatial analyticity is established for solutions to the incompressible, forced Navier-Stokes system on an n-torus. This estimate improves or matches previously known estimates…

偏微分方程分析 · 数学 2015-06-17 Animikh Biswas , Michael S. Jolly , Vincent R. Martinez , Edriss S. Titi

Classical Navier-Stokes equations fail to describe some flows in both the compressible and incompressible configurations. In this article, we propose a new methodology based on transforming the fluid mass velocity vector field to obtain a…

In this paper, we analyze the behavior of viscous shock profiles of one-dimensional compressible Navier-Stokes equations with a singular pressure law which encodes the effects of congestion. As the intensity of the singular pressure tends…

偏微分方程分析 · 数学 2020-12-14 Anne-Laure Dalibard , Charlotte Perrin

Forward self-similar and discretely self-similar weak solutions of the Navier-Stokes equations are known to exist globally in time for large self-similar and discretely self-similar initial data and are known to be regular outside of a…

偏微分方程分析 · 数学 2023-06-28 Zachary Bradshaw , Patrick Phelps

The paper discusses the similarities and the differences in the mathematical theories of the steady Boltzmann and incompressible Navier-Stokes equations posed in a bounded domain. First we discuss two different scaling limits in which…

偏微分方程分析 · 数学 2016-01-26 Kazuo Aoki , François Golse , Shingo Kosuge

The paper develops a finite element method for the Navier-Stokes equations of incompressible viscous fluid in a time-dependent domain. The method builds on a quasi-Lagrangian formulation of the problem. The paper provides stability and…

数值分析 · 数学 2018-05-15 Alexander Lozovskiy , Maxim A. Olshanskii , Yuri V. Vassilevski

We discuss the asymptotic stability of stationary solutions to the incompressible Navier-Stokes equations on the whole space in Besov spaces with positive smoothness and low integrability. A critical estimate for the semigroup generated by…

偏微分方程分析 · 数学 2017-07-10 Jayson Cunanan , Takahiro Okabe , Yohei Tsutsui

This paper concerns the tempered pullback dynamics of 2D incompressible non-autonomous Navier-Stokes equation with non-homogeneous boundary condition on Lipschitz-like domain. With the presence of a time-dependent external force f(t) which…

偏微分方程分析 · 数学 2018-04-24 Xin-Guang Yang , Yuming Qin , To Fu Ma , Yongjin Lu

It is shown that the generalization of the Navier-Stokes equations to a theory with $N$ ``internal state" copies of the velocity fields is a step in a wrong direction: the $N\to\infty$ limit has no physical sense and produces wrong results,…

chao-dyn · 物理学 2008-02-03 Victor L'vov , Evgenii Podivilov , Itamar Procaccia

This work is devoted to the concept of statistical solution of the Navier-Stokes equations, proposed as a rigorous mathematical object to address the fundamental concept of ensemble average used in the study of the conventional theory of…

偏微分方程分析 · 数学 2015-03-24 Ciprian Foias , Ricardo Rosa , Roger Temam

We introduce and analyze a space-time least-squares method associated to the unsteady Navier-Stokes system. Weak solution in the two dimensional case and regular solution in the three dimensional case are considered. From any initial guess,…

最优化与控制 · 数学 2019-09-12 Jerome Lemoine , Arnaud Munch

We address a quasi-stationary fluid-structure interaction problem coupled with cell reactions and growth, which comes from the plaque formation during the stage of the atherosclerotic lesion in human arteries. The blood is modeled by the…

偏微分方程分析 · 数学 2023-10-10 Helmut Abels , Yadong Liu

We present an analysis of the Navier-Stokes equations based on a spatial filtering technique to elucidate the multi-scale nature of fully developed turbulence. In particular, the advection of a band-pass-filtered small-scale contribution by…

流体动力学 · 物理学 2023-07-24 Theodore D. Drivas , Perry L. Johnson , Cristian C. Lalescu , Michael Wilczek
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