中文
相关论文

相关论文: Viscoelastic fluids in thin domains: a mathematica…

200 篇论文

The asymptotic derivation of a new family of one-dimensional, weakly nonlinear and weakly dispersive equations that model the flow of an ideal fluid in an elastic vessel is presented. Dissipative effects due to the viscous nature of the…

流体动力学 · 物理学 2020-02-20 Dimitrios Mitsotakis , Denys Dutykh , Li Qian

We consider the dyadic model, which is a toy model to test issues of well-posedness and blow-up for the Navier-Stokes and Euler equations. We prove well-posedness of positive solutions of the viscous problem in the relevant scaling range…

偏微分方程分析 · 数学 2015-05-19 David Barbato , Francesco Morandin , Marco Romito

We study the asymptotic limit of solutions to the barotropic Navier-Stokes system, when the Mach number is proportional to a small parameter $\ep \to 0$ and the fluid is confined to an exterior spatial domain $\Omega_\ep$ that may vary with…

偏微分方程分析 · 数学 2015-04-01 Eduard Feireisl , Trygve K. Karper , Ondrej Kreml , Jan Stebel

In this paper, we focus on investigating the influence on hydrodynamic factors of different coupled computational models describing the interaction between an incompressible fluid and two symmetric elastic or poroelastic structures. The…

流体动力学 · 物理学 2020-10-28 Tongtong Li , Xing Wang , Ivan Yotov

We study incompressible fluid flow through a thin poroelastic layer and rigorously derive a macroscopic model when the thickness of the layer tends to zero. Within the layer we assume a periodic structure and both, the periodicity and the…

偏微分方程分析 · 数学 2024-03-08 Markus Gahn

We study numerically two-dimensional creeping viscoelastic flow past a biperiodic square array of cylinders within the Oldroyd B, FENE-CR and FENE-P constitutive models of dilute polymer solutions. Our results capture the initial mild…

软凝聚态物质 · 物理学 2017-11-30 E. J. Hemingway , A. Clarke , J. R. A. Pearson , S. M. Fielding

Our aim is to analyse special type of boundary conditions, created to simulate flows like in cardiovascular and respiratory systems. Firstly, we will describe model of viscous, incompressible fluid in a domain consisting many inlets and…

偏微分方程分析 · 数学 2020-02-11 Kamil Wołos , Przemysław Kosewski

In this paper, we analyze the dynamics of two layers of immiscible, inviscid, incompressible, and irrotational fluids through a full nonlinear system. Our goal is to establish a virial theorem and prove the polynomial growth of slope and…

偏微分方程分析 · 数学 2025-07-16 Haocheng Yang

Motivated by lubrication problems, we consider a micropolar uid ow in a 2D domain with a rough and free boundary. We assume that the thickness and the roughness are both of order 0 < " << 1. We prove the existence and uniqueness of a…

偏微分方程分析 · 数学 2013-09-20 Mahdi Boukrouche , Laetitia Paoli

The following note shows that the symmetry of various resistance formulae, often based on Lorentz reciprocity for linearly viscous fluids, applies to a wide class of non-linear viscoplastic fluids. This follows from Edelen's non-linear…

流体动力学 · 物理学 2015-06-22 Ken Kamrin , Joe Goddard

The Navier-Stokes-Voigt (NSV) model of viscoelastic incompressible fluid has been recently proposed as a regularization of the 3D Navier-Stokes equations for the purpose of direct numerical simulations. In this work we investigate its…

流体动力学 · 物理学 2009-01-06 Boris Levant , Fábio Ramos , Edriss S. Titi

We consider steady gravity-driven flow of a thin layer of viscous fluid over a curved substrate. The substrate has topographical variations (`bumps') on a large scale compared to the layer thickness. Using lubrication theory, we find the…

混沌动力学 · 物理学 2007-05-23 Jean-Luc Thiffeault , Khalid Kamhawi

We derive a novel thermodynamically consistent Navier--Stokes--Cahn--Hilliard system with dynamic boundary conditions. This model describes the motion of viscous incompressible binary fluids with different densities. In contrast to previous…

偏微分方程分析 · 数学 2023-10-25 Andrea Giorgini , Patrik Knopf

We consider a bi-dimensional viscous incompressible fluid in interaction with a beam located at its boundary. We show the existence of strong solutions for this fluid-structure interaction system, extending a previous result where we…

偏微分方程分析 · 数学 2019-10-17 Mehdi Badra , Takéo Takahashi

Lubrication theory makes use of the assumptions of a long and thin fluid domain and a small scaled Reynolds number to formulate a linearized approximation to the Navier-Stokes equations. Extended lubrication theory aims to improve the model…

流体动力学 · 物理学 2026-03-05 Sarah Dennis , Thomas G. Fai

We consider the Navier-Stokes system describing the time evolution of a compressible barotropic fluid confined to a bounded spatial domain in the 3-D physical space, supplemented with the Navier's slip boundary conditions. It is shown that…

偏微分方程分析 · 数学 2014-04-08 Peter Bella , Eduard Feireisl , Bum Ja Jin , Antonin Novotny

This paper is concerned with integral representations and asymptotic expansions of solutions to the time-periodic incompressible Navier-Stokes equations for fluid flow in the exterior of a rigid body that moves with constant velocity. Using…

偏微分方程分析 · 数学 2024-02-20 Thomas Eiter , Ana Leonor Silvestre

We consider the flow of two viscous and incompressible fluids within a bounded domain modeled by means of a two-phase Navier-Stokes system. The two fluids are assumed to be immiscible, meaning that they are separated by an interface. With…

偏微分方程分析 · 数学 2022-08-24 Sebastian Hensel , Alice Marveggio

A detailed study is carried out for the relativistic theory of viscoelasticity which was recently constructed on the basis of Onsager's linear nonequilibrium thermodynamics. After rederiving the theory using a local argument with the…

统计力学 · 物理学 2015-03-19 Masafumi Fukuma , Yuho Sakatani

In this paper, we investigate the instability of the trivial steady states to the incompressible viscous fluid with Navier-slip boundary conditions. For the linear instability, the existence of infinitely many normal mode solutions to the…

偏微分方程分析 · 数学 2026-01-01 Tien-Tai Nguyen