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相关论文: Identification of the Heat Transfer Coefficient Us…

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Under consideration are mathematical models of heat and mass transfer. We study inverse problems of recovering lower-order coefficients in a second order parabolic equation. The coefficients are representable in the form of a finite…

偏微分方程分析 · 数学 2024-12-23 S. G. Pyatkov , O. A. Soldatov

We investigate uniqueness in the inverse problem of reconstructing simultaneously a spacewise conductivity function and a heat source in the parabolic heat equation from the usual conditions of the direct problem and additional information…

数值分析 · 数学 2012-10-30 Adriano De Cezaro , B. Tomas Johansson

This paper considers the initial-boundary value problem for the heat equation with a dynamic type boundary condition. Under some regularity, consistency and orthogonality conditions, the existence, uniqueness and continuous dependence upon…

数学物理 · 物理学 2013-06-21 Nazim B. Kerimov , Mansur I. Ismailov

This paper delves into the Inverse Stefan problem, specifically focusing on determining the time-dependent source coefficient in the parabolic heat equation governing heat transfer in a semi-infinite rod. The problem entails the intricate…

偏微分方程分析 · 数学 2025-01-22 Targyn A. Nauryz , Khumoyun Jabbarkhanov

The paper considers an inverse source problem for a one-dimensional time-fractional heat equation with the generalized impedance boundary condition. The inverse problem is the time dependent source parameter identification together with the…

偏微分方程分析 · 数学 2016-09-06 M. Cicek , M. I. Ismailov

Three inverse boundary value problems for the heat equations in one space dimension are considered. Those three problems are: extracting an unknown interface in a heat conductive material, an unknown boundary in a layered material or a…

偏微分方程分析 · 数学 2007-05-23 Masaru Ikehata

The inverse source problem for the radiative transfer equation is considered, with partial data. Here it is shown that under certain smoothness conditions on the scattering and absorption coefficients, one can recover sources supported in a…

偏微分方程分析 · 数学 2015-05-28 Mark Hubenthal

This work deals with an inverse boundary value problem arising from the equation of heat conduction. We reconstruct small perturbations of the (isotropic) heat conductivity distribution from partial (on accessible part of the boundary)…

偏微分方程分析 · 数学 2016-02-10 Aymen Jbalia , Abdessatar Khelifi

We discuss inverse problems of determining the time-dependent source coefficient for a general class of subelliptic heat equations. We show that a single data at an observation point guarantees the existence of a (smooth) solution pair for…

偏微分方程分析 · 数学 2023-06-02 Mansur I. Ismailov , Tohru Ozawa , Durvudkhan Suragan

We consider an inverse problem of determining the time-dependent lowest order coefficient of two-dimensional (2D) heat equation with Ionkin boundary and total energy integral overdetermination condition. The well-posedness of the problem is…

偏微分方程分析 · 数学 2017-02-06 Mansur I. Ismailov , Sait Erkovan

In this paper we consider the problem of simultaneously determining the time-dependent thermal diffusivity and the temperature distribution in one-dimensional heat equation in the case of nonlocal boundary and integral overdetermination…

偏微分方程分析 · 数学 2015-03-17 Mansur I. Ismailov , Fatma Kanca

For a heat equation with Robin's boundary conditions which depends on a parameter $\alpha>0$, we prove that its unique weak solution $\rho^\alpha$ converges, when $\alpha$ goes to zero or to infinity, to the unique weak solution of the heat…

概率论 · 数学 2013-03-26 Tertuliano Franco , Patricia Gonçalves , Adriana Neumann

An inverse problem for a stationary heat transfer process is studied for a totally isolated bar on its lateral surface, of negligible diameter, made up of two consecutive sections of different, isotropic and homogeneous materials. At the…

偏微分方程分析 · 数学 2021-09-10 Guillermo Federico Umbricht , Diana Rubio , Domingo Alberto Tarzia

We consider an inverse boundary value problem for the heat equation with a nonsmooth coefficient of conductivity which models the displacement of a moving body inside a nonhomogeneous background. We prove the uniqueness of the moving…

偏微分方程分析 · 数学 2022-01-24 Olivier Poisson

From the final and interior temperature measurements identifying the source term with initial temperature simultaneously is an inverse heat conduction problem which is a kind of ill-posed. The optimal control framework has been found to be…

偏微分方程分析 · 数学 2020-06-16 Arzu Erdem Coşkun

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

The extraction problem of information about the location and shape of the cavity from a single set of the temperature and heat flux on the boundary of the conductor and finite time interval is a typical and important inverse problem. Its…

偏微分方程分析 · 数学 2007-05-23 Masaru IKehata

In this work, we consider an inverse problem of determining a time dependent coefficient in a fully fractional diffusion equation with a nonlinear source term. The nonlocal initial-boundary value problem refers to the forward model: the…

偏微分方程分析 · 数学 2025-12-10 D. K. Durdiev , H. H. Turdiev

We study a time-reversed hyperbolic heat conduction problem based upon the Maxwell--Cattaneo model of non-Fourier heat law. This heat and mass diffusion problem is a hyperbolic type equation for thermodynamics systems with thermal memory or…

数值分析 · 数学 2020-06-26 Vo Anh Khoa , Manh-Khang Dao

For the heat equation in a bounded domain we give a stability result for a smooth diffusion coefficient. The key ingredients are a global Carleman-type estimate, a Poincar\'e-type estimate and an energy estimate with a single observation…

偏微分方程分析 · 数学 2007-06-12 Patricia Gaitan
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