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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

The paper addresses a two-temperature model for simulating compressible two-phase flow taking into account diffusion processes related to the heat conduction and viscosity of the phases. This model is reduced from the two-phase…

数值分析 · 数学 2022-07-27 Chao Zhang , Igor Menshov , Lifeng Wang , Zhijun Shen

We present dynamical density functional theory results for the time evolution of the density distribution of a sedimenting model two-dimensional binary mixture of colloids. The interplay between the bulk phase behaviour of the mixture, its…

软凝聚态物质 · 物理学 2015-06-17 Alexandr Malijevsky , Andrew J. Archer

We investigate a $2d$-conservative lattice gas exhibiting a dynamical active-absorbing phase transition with critical density $\rho_c$. We derive the hydrodynamic equation for this model, showing that all critical exponents governing the…

统计力学 · 物理学 2025-01-07 Clément Erignoux , Alexandre Roget , Assaf Shapira , Marielle Simon

In this paper we propose an extension of the Cahn method to binary mixtures and study the problem of wetting near a two-phase critical point without any assumption on the form of intermolecular potentials. A comparison between Cahn's method…

经典物理 · 物理学 2008-12-18 Henri Gouin , Sergey Gavrilyuk

A simple fluid, described by point-like particles interacting via the Lennard-Jones potential, is considered under confinement in a slit geometry between two walls at distance Lz apart for densities inside the vapor-liquid coexistence…

软凝聚态物质 · 物理学 2009-11-13 Katarzyna Bucior , Leonid Yelash , Kurt Binder

Attractive interaction between spinless fermions in a two-dimensional lattice drives the formation of a topological superfluid. But the topological phase is dynamically unstable towards phase separation when the system has a high density of…

量子气体 · 物理学 2021-10-04 Junhua Zhang , Sumanta Tewari , V. W. Scarola

We investigate a lattice-fluid model defined on a two-dimensional triangular lattice, with the aim of reproducing qualitatively some anomalous properties of water. Model molecules are of the "Mercedes Benz" type, i.e., they possess a D3…

软凝聚态物质 · 物理学 2007-05-23 C. Buzano , E. de Stefanis , A. Pelizzola , M. Pretti

Computation of gas dispersal in urban places or hilly grounds requires a large amount of computer time when addressed with conventional multidimensional models. Those are usually based on two-phase flow or Navier-Stokes equations. Different…

偏微分方程分析 · 数学 2021-01-13 Alexandre Chiapolino , Sébastien Courtiaud , Emmanuel Lapebie , Richard Saurel

An existence result is proved for a nonlinear diffusion problem of phase-field type, consisting of a parabolic system of two partial differential equations, complemented by Neumann homogeneous boundary conditions and initial conditions.…

偏微分方程分析 · 数学 2012-02-24 Pierluigi Colli , Gianni Gilardi , Paolo Podio-Guidugli , Jürgen Sprekels

We present an interpolated kinetically constrained lattice gas model which exhibits a transition from fragile to strong supercooled liquid behavior. We find non-monotonic decoupling that is due to this crossover and is seen in experiment.

统计力学 · 物理学 2007-05-23 Albert C. Pan , Juan P. Garrahan , David Chandler

We study the short-time dynamics of a liquid ligament, held between two solid cylinders, when one is impulsively accelerated along its axis. A set of one-dimensional equations in the slender-slope approximation is used to describe the…

流体动力学 · 物理学 2015-06-11 Laurent Duchemin , Stéphane Le Dizès , Lionel Vincent , Emmanuel Villermaux

Molecules at the air-water interface often form inhomogeneous layers in which domains of different densities are separated by sharp interfaces. Complex interfacial pattern formation may occur through the competition of short- and long-range…

patt-sol · 物理学 2009-10-30 David K. Lubensky , Raymond E. Goldstein

Melt supercooling leads to glass formation. Liquid-to-liquid phase transitions are observed depending on thermal paths. Viscosity, density and surface tension thermal dependences measured at heating and subsequent cooling show hysteresis…

材料科学 · 物理学 2016-12-21 Robert F. Tournier

The second-order phase transitions in the Ising model and liquid-gas systems share a universality class and critical exponents, despite the absence of $Z_2$ symmetry in the liquid-gas Hamiltonian. This discrepancy highlights a central…

统计力学 · 物理学 2025-12-10 Xinyang Li , Yuliang Jin

The planar problem of a viscous laminar flow around elliptical cylinders under angle of attack is considered. From the solution of the laminar boundary layer equations using the Loytsyansky local similarity method, the shear stress at the…

流体动力学 · 物理学 2021-06-29 Alexander G. Petrov , Artem D. Sukhov

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 predict that ultracold bosonic dipolar gases, confined within a multilayer geometry, may undergo self-assembling processes, leading to the formation of chain gases and solids. These dipolar chains, with dipoles aligned across different…

量子气体 · 物理学 2025-01-20 G. Guijarro , G. E. Astrakharchik , G. Morigi , J. Boronat

We study a stochastic lattice gas of particles undergoing asymmetric diffusion in two dimensions. Transitions between a low-density uniform phase and high-density non-uniform phases characterized by localized or extended structure are…

凝聚态物理 · 物理学 2009-10-22 Kwan-tai Leung

Lattice Boltzmann simulations have been very successful in simulating liquid-gas and other multi-phase fluid systems. However, the underlying second order analysis of the equation of motion has long been known to be insufficient to…

软凝聚态物质 · 物理学 2009-11-11 A. J. Wagner