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We consider a free surface thin film placed on a thermally conductive substrate and exposed to an external heat source in a setup where the heat absorption depends on the local film thickness. Our focus is on modeling film evolution while…

流体动力学 · 物理学 2021-04-21 Ryan H. Allaire , Linda J. Cummings , Lou Kondic

This paper presents a thermodynamically consistent model for multicomponent electrolyte solutions. The first part of this paper derives the general governing equations for nonequilibrium systems within the theory of nonequilibrium…

偏微分方程分析 · 数学 2016-05-25 Matthias Herz , Peter Knabner

In this work, we introduce a notion of dissipative weak solution for a system describing the evolution of a heat-conducting incompressible non-Newtonian fluid. This concept of solution is based on the balance of entropy instead of the…

偏微分方程分析 · 数学 2022-06-13 Pablo Alexei Gazca-Orozco , Victoria Patel

We consider the flow of a generalized non-Newtonian incompressible heat-conducting fluid in a~bounded two-dimensional domain, subject to Dirichlet boundary conditions for velocity and temperature. The fluid obeys a power-law constitutive…

偏微分方程分析 · 数学 2026-03-18 Miroslav Bulíček , Petr Kaplický , Lucie Wintrová

A thermodynamic framework that predicts the thermal conductivity $\lambda$ of simple fluids beyond the dilute-gas limit is introduced. By generalizing the transition-rate approach of particles on a lattice to conserved quantities in…

统计力学 · 物理学 2025-12-03 Miguel Hoyuelos

The first-order general relativistic theory of a generic dissipative (heat-conducting, viscous, particle-creating) fluid is rediscussed from a unified covariant frame-independent point of view. By generalizing some previous works in the…

广义相对论与量子宇宙学 · 物理学 2008-11-26 R. Silva , J. A. S. Lima , M. O. Calvão

We investigate the steady state of heat conduction in general relativity using a variational approach for two-fluid dynamics. We adopt coordinates based on the Landau-Lifschitz observer because it allows us to describe thermodynamics with…

广义相对论与量子宇宙学 · 物理学 2023-06-28 Hyeong-Chan Kim

The "regular" model presented here can be considered to be the most natural solution to the problem of constructing the simplest possible relativistic analogue of the category of classical Fourier--Euler thermally conducting fluid models as…

广义相对论与量子宇宙学 · 物理学 2012-09-10 Brandon Carter

We report the results of a computer simulation study of the thermodynamic properties and the thermal conductivity of supercooled water as a function of pressure and temperature using the TIP4P-2005 water model. The thermodynamic properties…

统计力学 · 物理学 2015-06-19 F. Bresme , J. W. Biddle , J. V. Sengers , M. A. Anisimov

We solve the two-dimensional hydrodynamic equations of hot accretion flow in the presence of the thermal conduction. The flow is assumed to be in steady-state and axisymmetric, and self-similar approximation is adopted in the radial…

高能天体物理现象 · 物理学 2021-03-24 Amin Mosallanezhad , Fatemeh Zahra Zeraatgari , Liquan Mei , De-Fu Bu

This paper is an introduction to the modelling of viscoelastic fluids, with an emphasis on micro-macro (or multiscale) models. Some elements of mathematical and numerical analysis are provided. These notes closely follow the lectures…

数学物理 · 物理学 2011-02-03 C. Le Bris , T. Lelièvre

Traditional stochastic modeling of reactive systems limits the domain of applicability of the associated path thermodynamics to systems involving a single elementary reaction at the origin of each observed change in composition. An…

统计力学 · 物理学 2023-01-18 F. Baras , A. L. Garcia , M. Malek Mansour

We introduce a diffuse interface model describing the evolution of a mixture of two different viscous incompressible fluids of equal density. The main novelty of the present contribution consists in the fact that the effects of temperature…

偏微分方程分析 · 数学 2014-01-15 Michela Eleuteri , Elisabetta Rocca , Giulio Schimperna

It is shown that the dynamics of a two-dimensional crystal with a finite concentration of dislocations, as well as vacancy and interstitial defects, is governed by the hydrodynamic equations of a viscoelastic medium. At the longest length…

软凝聚态物质 · 物理学 2009-11-07 M. Cristina Marchetti , Karl Saunders

Driven by fundamental thermodynamic efficiency considerations, an emerging trend in the energy and propulsion systems is that the working fluid operates at a pressure above the critical pressure. Energy transport is thus accompanied by…

流体动力学 · 物理学 2024-08-05 Zhouhang Li , Daniel T. Banuti , Jie Ren , Junfu Lyu , Hua Wang , Xu Chu

A thermodynamically consistent visco-elastodynamical model at finite strains is derived that also allows for inelasticity (like plasticity or creep), thermal coupling, and poroelasticity with diffusion. The theory is developed in the…

数学物理 · 物理学 2024-04-17 Alexander Mielke , Tomáš Roubíček

This paper investigates the qualitative properties of thermoelastic plates modeled by the second-gradient theory with a Type I heat equation. We establish the exponential stability of the solutions. Our main contribution is to prove that…

偏微分方程分析 · 数学 2025-12-09 Jaime Muñoz Rivera , Elena Ochoa Ochoa , Ramón Quintanilla

Fractional calculus has been proved to be very effective in representing the visco-elastic relaxation response of materials with memory such as polymers. Moreover, in modelling the temperature dependency of the material functions in…

计算物理 · 物理学 2021-07-21 Pietro Lenarda , Marco Paggi

We establish three partial differential equation models describing the thermodynamics of the fluid, by combining the energetic variational approach, appropriate constitutive relations, and classical thermodynamics laws. What is more, by…

偏微分方程分析 · 数学 2020-11-23 Ning-An Lai , Chun Liu , Andrei Tarfulea

We propose the concept of global temperature for spatially non-uniform heat conduction systems. With this novel quantity, we present an extended framework of thermodynamics for the whole system such that the fundamental relation of…

统计力学 · 物理学 2019-10-23 Naoko Nakagawa , Shin-ichi Sasa
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