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This paper is concerned with a system of differential equations related to a circuit model for microwave heating, complemented by suitable initial and boundary conditions. A RCL circuit with a thermistor is representing the microwave…

偏微分方程分析 · 数学 2017-05-23 Pierluigi Colli , Luca Scarpa

Schauder's fixed point theorem is used to derive the existence of solutions to a semilinear heat equation. The equation features a nonlinear term that depends on the time-integral of the unknown on the whole, a priori given, interval of…

偏微分方程分析 · 数学 2022-11-15 Christoph Walker

We study a nonlocal thermistor problem for fractional derivatives in the conformable sense. Classical Schauder's fixed point theorem is used to derive the existence of a tube solution.

经典分析与常微分方程 · 数学 2018-12-27 Moulay Rchid Sidi Ammi , Delfim F. M. Torres

In the literature, one can find numerous modifications of Fourier's law from which the first one is called Maxwell-Cattaneo-Vernotte heat equation. Although this model has been known for decades and successfully used to model…

应用物理 · 物理学 2023-08-21 A. J. A. Ramos , A. D. S. Campelo , M. M. Freitas , R. Kovács

Existence of strong solutions to a nonlocal semilinear heat equation is shown. The main feature of the equation is that the nonlocal term depends on the unknown on the whole time interval of existence, the latter being given a priori. The…

偏微分方程分析 · 数学 2020-07-13 Christoph Walker

In this paper we analyze a new temperature-dependent model for adhesive contact that encompasses nonlocal adhesive forces and damage effects, as well as nonlocal heat flux contributions on the contact surface. The related PDE system…

偏微分方程分析 · 数学 2021-04-13 Giovanna Bonfanti , Michele Colturato , Riccarda Rossi

An analytic solution to a stationary heat conduction problem in 2D unbounded doubly periodic composite materials with temperature dependent conductivities of their components is given. Corresponding nonlinear boundary value problem is…

偏微分方程分析 · 数学 2014-04-01 David Kapanadze , Gennady Mishuris , Ekaterina Pesetskaya

A linear irreversible thermodynamic framework of heat conduction in rigid conductors is introduced. The deviation from local equilibrium is characterized by a single internal variable and a current intensity factor. A general constitutive…

统计力学 · 物理学 2014-04-08 P. Ván , T. Fülöp

We study a model for induction hardening of steel. The related differential system consists of a time domain vector potential formulation of the Maxwell's equations coupled with an internal energy balance and an ODE for the volume fraction…

偏微分方程分析 · 数学 2014-01-10 D. Hoemberg , T. Petzold , E. Rocca

We consider the initial boundary problem of 2D non-homogeneous incompressible heat conducting Navier-Stokes equations with vacuum, where the viscosity and heat conductivity depend on temperature in a power law of Chapman-Enskog. We derive…

偏微分方程分析 · 数学 2024-01-15 Wenchao Dong , Qingyan Li

The second law of thermodynamics is a useful and universal tool to derive the generalizations of the Fourier's law. In many cases, only linear relations are considered between the thermodynamic fluxes and forces, i.e., the conduction…

统计力学 · 物理学 2019-12-25 Róbert Kovács , Patrizia Rogolino

The excitation of plasmonic nanoparticles by incident electromagnetic waves at frequencies near their subwavelength resonances induces localized heat generation in the surrounding medium. We develop a mathematical framework to rigorously…

偏微分方程分析 · 数学 2024-12-03 Xinlin Cao , Arpan Mukherjee , Mourad Sini

A non-classical initial and boundary value problem for a non-homogeneous one-dimensional heat equation for a semi-infinite material with a zero temperature boundary condition at the face $x=0$ is studied with the aim of finding explicit…

偏微分方程分析 · 数学 2014-10-16 Andrea N. Ceretani , Domingo A. Tarzia , Luis T. Villa

A mathematical model of nonlinear radiation is introduced into a thermoelectrochemical problem, and its qualitative analysis is focused on existence of solutions. The main objective is the nonconstant character of each parameter, that is,…

偏微分方程分析 · 数学 2015-12-29 Luisa Consiglieri

A mathematical model of the heat process in one-dimensional domain governed by a cylindrical heat equation with a heat source on the axis $z=0$ and nonlinear thermal coefficients is considered. The developed model is particularly applicable…

偏微分方程分析 · 数学 2023-11-07 Julieta Bollati , Adriana C. Briozzo , Stanislav N. Kharin , Targyn A. Nauryz

We consider a boundary value problem (BVP) modelling one-dimensional heat-conduction with radiation, which is derived from the Stefan-Boltzmann law. The problem strongly depends on the parameters, making difficult to estimate the solution.…

数值分析 · 数学 2024-02-01 Mihai Halic

Realistic boundaries of finite heat conductivity Realistic boundaries of finite heat conductivity for thermoconvection in a Rayleigh-B\'enard setup with magnetized ferrofluids are investigated. A linear stability analysis of the conductive…

patt-sol · 物理学 2009-10-31 A. Recktenwald , M. Luecke

We establish the local existence and the uniqueness of solutions of the heat equation with a nonlinear boundary condition for the initial data in uniformly local $L^r$ spaces. Furthermore, we study the sharp lower estimates of the blow-up…

偏微分方程分析 · 数学 2014-04-29 Kazuhiro Ishige , Ryuichi Sato

Electron heat conduction is one of the ways that energy transports in laser heating of fusible target material. The aim of Inertial Confinement Fusion (ICF) is to show that the thermal conductivity is strongly dependent on temperature and…

等离子体物理 · 物理学 2011-11-24 A. Mohammadian Pourtalari , M. A. Jafarizadeh , M. Ghoranneviss

We show that it is possible to construct microscopic-level discrete equations from macroscopic modeling PDEs for heat conduction in one space dimension. The significance of this result is that, in general, one starts from microscopic…

偏微分方程分析 · 数学 2025-03-28 Ronald Mickens , Talitha Washington
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