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相关论文: Identification of nonlinear heat conduction laws

200 篇论文

In this paper, a boundary integral method is used to solve an inverse linear heat conduction problem in two-dimensional bounded domain. An inverse problem of measuring the heat flux from partial (on part of the boundary) dynamic boundary…

数学物理 · 物理学 2008-05-06 Daveau Christian , Khelifi Abdessatar , Shamma M. Nour

We study the diffusion (or heat) equation on a finite 1-dimensional spatial domain, but we replace one of the boundary conditions with a "nonlocal condition", through which we specify a weighted average of the solution over the spatial…

偏微分方程分析 · 数学 2017-08-04 Peter D. Miller , David A. Smith

A new equation, rooted in the theory of Brownian motion, is proposed for describing heat conduction by phonons. Though a finite speed of propagation is a built-in feature of the equation, it does not give rise to an inauthentic wave front…

其他凝聚态物理 · 物理学 2013-05-29 K. Razi Naqvi , S. Waldenstroem

We study a basic linear elliptic equation on a lower dimensional rectifiable set $S$ in $\mathbb{R}^N$ with the Neumann boundary data. Set $S$ is a support of a finite Borel measure $\mu$. We will use the measure theoretic tools to…

偏微分方程分析 · 数学 2018-10-12 Piotr Rybka , Anna Zatorska-Goldstein

We consider the problem of determining an unaccessible part of the boundary of a conductor by mean of thermal measurements. We study a problem of corrosion where a Robin type condition is prescribed on the damaged part and we prove…

偏微分方程分析 · 数学 2011-07-27 V. Bacchelli , M. Di Cristo , E. Sincich , S. Vessella

This paper studies a prototype of inverse initial boundary value problems whose governing equation is the heat equation in three dimensions. An unknown discontinuity embedded in a three-dimensional heat conductive body is considered. A {\it…

偏微分方程分析 · 数学 2015-12-03 Masaru Ikehata , Mishio Kawashita

We consider the inverse problem of determining different type of information about a diffusion process, described by ordinary or fractional diffusion equations stated on a bounded domain, like the density of the medium or the velocity field…

偏微分方程分析 · 数学 2019-07-05 Yavar Kian , Zhiyuan Li , Yikan Liu , Masahiro Yamamoto

The fundamental dynamic stability of heat conduction theories beyond Fourier is analyzed in the framework of nonequilibrium thermodynamics. It is shown, that the thermodynamic framework, concave entropy and nonnegative entropy production,…

统计力学 · 物理学 2026-01-06 R. Somogyfoki , A. Famà , L. Restuccia , P. Ván

In this article we are making an attempt to connect the theory of functions integrable in the unit disk to the problems of steady-state heat transfer in cases when the heat source is inside the disk.

数学物理 · 物理学 2020-06-24 Ashot Djrbashian , Armen Arakelyan

A nanowire with its two ends fixed at two different temperatures by external baths is the simplest example of a fermionic system with a temperature inhomogeneity, and could be an easy platform to study thermodynamic and transport properties…

介观与纳米尺度物理 · 物理学 2025-04-07 Yuan Gao , K. A. Muttalib

Some analogies between different nonequilibrium heat conduction models, particularly, random walk, discrete variable model, and Boltzmann transport equation with the single relaxation time approximation, have been discussed. We show that…

统计力学 · 物理学 2018-02-21 Sergey Sobolev

Non-stationary systems are found throughout the world, from climate patterns under the influence of variation in carbon dioxide concentration, to brain dynamics driven by ascending neuromodulation. Accordingly, there is a need for methods…

数据分析、统计与概率 · 物理学 2024-07-15 Kieran S. Owens , Ben D. Fulcher

In this paper we study the distribution of the temperature within a body where the heat is transported only by radiation. Specifically, we consider the situation where both emission-absorption and scattering processes take place. We study…

偏微分方程分析 · 数学 2025-10-01 Elena Demattè , Juan J. L. Velázquez

Convection-diffusion of heat transfer is one of the important phenomena in fluid flow and industrial problems. The involved parameters, boundary conditions, and material properties are greatly affecting the same. As such, the uncertainness…

综合数学 · 数学 2022-05-23 Sudipta Priyadarshini , Sukanta Nayak , Paresh Kumar Panigrahi

We consider the problem of heat diffusion in branched systems and networks on the basis of a model described in terms of heat equation on metric graphs. Using the explicit analytical solutions of the latter, evolution of the temperature…

经典物理 · 物理学 2018-06-29 K. Sabirov , Zh. Zhunussova , D. Babajanov , D. Matrasulov

For a system that is governed by the isothermal Euler equations with friction for ideal gas, the corresponding field of characteristic curves is determined by the velocity of the flow. This velocity is determined by a second-order…

最优化与控制 · 数学 2016-08-09 Martin Gugat , Günter Leugering , Ke Wang

In this paper, we examine the conditions under which the nonlinear transport theory is inescapable, when a correlated quantum dot is symmetrically coupled to two leads submitted to temperature and voltage biases. By detailed numerical…

介观与纳米尺度物理 · 物理学 2014-12-02 J. Azema , P. Lombardo , A. -M. Daré

The Letter addresses the relationship between hyperbolic equations of heat conduction and microscopic models of dielectrics. Effects of the non-stationary heat conduction are investigated in two one-dimensional models with conserved…

统计力学 · 物理学 2015-05-14 Oleg V. Gendelman , Alexander V. Savin

A construction of differential constraints compatible with partial differential equations is considered. Certain linear determining equations with parameters are used to find such differential constraints. They generalize the classical…

数学物理 · 物理学 2007-05-23 O. V. Kaptsov , A. V. Schmidt

In this paper, we study the diffusive limit of the steady state radiative heat transfer system for non-homogeneous Dirichlet boundary conditions in a bounded domain with flat boundaries. A composite approximate solution is constructed using…

偏微分方程分析 · 数学 2022-11-01 Mohamed Ghattassi , Xiaokai Huo , Nader Masmoudi