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The phase behavior of binary fluid mixtures of hard hyperspheres in four and five dimensions is investigated. Spinodal instability is found by using a recent and accurate prescription for the equation of state of the mixture that requires…

统计力学 · 物理学 2016-08-15 S. B. Yuste , A. Santos , M. López de Haro

A mathematical model describing the flow of two-phase fluids in a bounded container $\Omega$ is considered under the assumption that the phase transition process is influenced by inertial effects. The model couples a variant of the…

偏微分方程分析 · 数学 2019-06-14 Gianluca Favre , Giulio Schimperna

When studying fluid mechanics in terms of instability, bifurcation and invariant solutions one quickly finds out how little can be done by pen and paper. For flows on sufficiently simple domains and under sufficiently simple boundary…

流体动力学 · 物理学 2020-04-03 Lennaert van Veen

Phase separation in binary and ternary fluids is studied using a two dimensional Lattice Gas Automata. The lengths, given by the the first zero crossing point of the correlation function and the total interface length is shown to exhibit…

软凝聚态物质 · 物理学 2009-11-07 K. C. Lakshmi , P. B. Sunil Kumar

The Navier-Stokes equations describing laminar flow of an incompressible fluid will be solved. Different group of general solutions for Navier stokes equations governing Laminar incompressible fluids will be derived.

流体动力学 · 物理学 2007-05-23 Saeed Otarod , Davar Otarod

A model of fully developed turbulence of a compressible fluid is briefly reviewed. It is assumed that fluid dynamics is governed by a stochastic version of Navier-Stokes equation. We show how corresponding field theoretic-model can be…

统计力学 · 物理学 2018-10-09 M. Hnatič , N. M. Gulitskiy , T. Lučivjanský , L. Mižišin , V. Škultéty

This paper is devoted to describe the finite-dimensionality of a two-dimensional micropolar fluid flow with periodic boundary conditions. We define the notions of determining modes and nodes and estimate the number of them, we also estimate…

偏微分方程分析 · 数学 2007-05-23 Piotr Szopa

Two-phase flow of two Newtonian incompressible viscous fluids with a soluble surfactant and different densities of the fluids can be modeled within the diffuse interface approach. We consider a Navier-Stokes/Cahn-Hilliard type system…

偏微分方程分析 · 数学 2017-10-10 Helmut Abels , Harald Garcke , Josef Weber

We consider a model describing the behavior of a mixture of two incompressible fluids with the same density in isothermal conditions. The model consists of three balance equations: continuity equation, Navier-Stokes equation for the mean…

数学物理 · 物理学 2015-05-20 A. Berti , V. Berti , D. Grandi

Binary fluid mixtures are examples of complex fluids whose microstructure and flow are strongly coupled. For pairs of simple fluids, the microstructure consists of droplets or bicontinuous demixed domains and the physics is controlled by…

软凝聚态物质 · 物理学 2018-06-05 Michael E. Cates , Elsen Tjhung

We derive a class of Navier--Stokes--Cahn--Hilliard systems that models two-phase flows with mass transfer coupled to the process of chemotaxis. These thermodynamically consistent models can be seen as the natural Navier--Stokes analogues…

偏微分方程分析 · 数学 2023-07-28 Kei Fong Lam , Hao Wu

We develop a unified kinetic theory for ordered fluids, which systematically extends the phase space with the appropriate generalized angular momenta. Our theory yields a uniquely determined mesoscopic model for any continuum with…

数学物理 · 物理学 2026-04-02 José A. Carrillo , Patrick E. Farrell , Andrea Medaglia , Umberto Zerbinati

A Cahn-Hilliard-Navier-Stokes system for two-phase flow on an evolving surface with non-matched densities is derived using methods from rational thermodynamics. For a Cahn-Hilliard energy with a singular (logarithmic) potential short time…

偏微分方程分析 · 数学 2025-11-18 Helmut Abels , Harald Garcke , Andrea Poiatti

We consider the 3D Cahn-Hilliard equations coupled to, and driven by, the forced, incompressible 3D Navier-Stokes equations. The combination, known as the Cahn-Hilliard-Navier-Stokes (CHNS) equations, is used in statistical mechanics to…

流体动力学 · 物理学 2016-12-21 John D. Gibbon , Nairita Pal , Anupam Gupta , Rahul Pandit

The Cahn-Hilliard-Navier-Stokes (CHNS) partial differential equations (PDEs) provide a powerful framework for the study of the statistical mechanics and fluid dynamics of multiphase fluids. We provide an introduction to the equilibrium and…

流体动力学 · 物理学 2025-03-14 Nadia Bihari Padhan , Rahul Pandit

This note studies a family of Navier-Stokes-Allen-Cahn systems parameterized by temperature. Derived from an internal energy that corresponds to one incompressible and one compressible phase, this family is considered as a simple model for…

偏微分方程分析 · 数学 2013-06-11 Heinrich Freistuhler , Matthias Kotschote

We use lattice Boltzmann simulations to study the effect of shear on the phase ordering of a two-dimensional binary fluid. The shear is imposed by generalising the lattice Boltzmann algorithm to include Lees-Edwards boundary conditions. We…

软凝聚态物质 · 物理学 2009-10-31 A. J. Wagner , J. M. Yeomans

Cahn-Hilliard-Navier-Stokes system describes the evolution of two isothermal, incompressible, immiscible fluids in a bounded domain. In this work, we consider the stationary nonlocal Cahn-Hilliard-Navier-Stokes system in two and three…

偏微分方程分析 · 数学 2020-10-01 Tania Biswas , Sheetal Dharmatti , P L N Mahendranath , Manil T Mohan

We apply lattice Boltzmann method to study the phase separation of a two-dimensional binary fluid mixture in shear flow. The algorithm can simulate systems described by the Navier-Stokes and convection-diffusion equations. We propose a new…

凝聚态物理 · 物理学 2009-10-31 A. Lamura , G. Gonnella

A new description of the binary fluid problem via the lattice Boltzmann method is presented which highlights the use of the moments in constructing two equilibrium distribution functions. This offers a number of benefits, including better…

软凝聚态物质 · 物理学 2009-11-10 K. Stratford , R. Adhikari , I. Pagonabarraga , J. -C. Desplat