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相关论文: Source reconstruction algorithms for coupled parab…

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This paper deals with the numerical methods for the reconstruction of source term in linear parabolic equation from final overdetermination. We assume that the source term has the form f(x)h(t) and h(t) is given, which guarantees the…

偏微分方程分析 · 数学 2014-02-19 Xiaoping Fang , Youjun Deng , Jing Li

We study an inverse parabolic problem of identifying two source terms in heat equation with dynamic boundary conditions from a final time overdetermination data. Using a weak solution approach by Hasanov, the associated cost functional is…

偏微分方程分析 · 数学 2022-03-22 E. M. Ait Ben Hassi , S. E. Chorfi , L. Maniar

This paper considers the inverse problem of identifying the source term of parabolic equations from sparse boundary measurements. We used data from moving sensors to locate the unknown source term. This work first proves the uniqueness of…

偏微分方程分析 · 数学 2026-04-14 Qiling Gu , Wenlong Zhang , Zhidong Zhang

Two main aims of this paper are to develop a numerical method to solve an inverse source problem for parabolic equations and apply it to solve a nonlinear coefficient inverse problem. The inverse source problem in this paper is the problem…

偏微分方程分析 · 数学 2019-06-06 Phuong Mai Nguyen , Loc Hoang Nguyen

This paper investigates the inverse problems of determining a space-dependent source for thermoelastic systems of type III under adequate time-averaged or final-in-time measurements and conditions on the time-dependent part of the sought…

数值分析 · 数学 2025-04-25 Frederick Maes , Karel Van Bockstal

This paper investigates the problem of recovering source terms in abstract initial value problems (IVP) commonly used to model various scientific phenomena in physics, chemistry, economics, and other fields. We consider source terms of the…

动力系统 · 数学 2024-01-30 Akram Aldroubi , Le Gong , Ilya Krishtal , Brendan Miller , Sumati Thareja

In this paper, we consider an inverse problem to determine a semilinear term of a parabolic equation from a single boundary measurement of Neumann type. For this problem, a reconstruction algorithm is established by the spectral…

偏微分方程分析 · 数学 2014-12-23 Wuqing Ning , Xue Qin , Yunxia Shang

In this work, we investigate the stability issue of the inverse problem of determining the locations and time-dependent amplitudes of point sources in a parabolic equation with a non-self adjoint elliptic operator from boundary…

偏微分方程分析 · 数学 2026-03-11 Kuang Huang , Bangti Jin , Yavar Kian , Faouzi Triki

The focus of this paper is on the concurrent reconstruction of both the diffusion and potential coefficients present in an elliptic/parabolic equation, utilizing two internal measurements of the solutions. A decoupled algorithm is…

数值分析 · 数学 2023-08-08 Siyu Cen , Zhi Zhou

Coefficient inverse problems related to identifying the right-hand side of an equation with use of additional information is of interest among inverse problems for partial differential equations. When considering non-stationary problems,…

数值分析 · 计算机科学 2016-04-18 Petr N. Vabishchevich

This letter announces and summarizes results obtained in arXiv:1111.5051 and considers several natural extensions. The aforementioned paper proposes a procedure to reconstruct coefficients in a second-order, scalar, elliptic equation from…

偏微分方程分析 · 数学 2012-03-07 Guillaume Bal , Gunther Uhlmann

This study focuses on addressing the inverse source problem associated with the parabolic equation. We rely on sparse boundary flux data as our measurements, which are acquired from a restricted section of the boundary. While it has been…

数值分析 · 数学 2023-10-18 Guang Lin , Na Ou , Zecheng Zhang , Zhidong Zhang

In this work we develop a new numerical approach for recovering a spatially dependent source component in a standard parabolic equation from partial interior measurements. We establish novel conditional Lipschitz stability and H\"{o}lder…

数值分析 · 数学 2025-08-22 Tianhao Hu , Xinchi Huang , Bangti Jin , Qimeng Quan , Zhi Zhou

This paper is concerned with identification of a spatial source function from final time observation in a bi-parabolic equation, where the full source function is assumed to be a product of time dependent and a space dependent function. Due…

偏微分方程分析 · 数学 2023-05-03 Subhankar Mondal , M. Thamban Nair

We develop a framework for localized source detection in dynamical systems governed by nonlinear partial differential equations based on first and second-order sensitivity analysis. Building on the standard adjoint formulation, which…

流体动力学 · 物理学 2026-05-18 Qi Wang , Zejian You

We introduce a direct method allowing to solve numerically inverse type problems for linear hyperbolic equations. We first consider the reconstruction of the full solution of the wave equation posed in $\Omega\times (0,T)$ - $\Omega$ a…

最优化与控制 · 数学 2015-05-12 Nicolae Cindea , Arnaud Munch

In this work we investigate an inverse problem of recovering point sources and their time-dependent strengths from {a posteriori} partial internal measurements in a subdiffusion model which involves a Caputo fractional derivative in time…

偏微分方程分析 · 数学 2024-12-12 Kuang Huang , Bangti Jin , Yavar Kian , Georges Sadaka , Zhi Zhou

We consider the inverse source problem in the parabolic equation, where the unknown source possesses the semi-discrete formulation. Theoretically, we prove that the flux data from any nonempty open subset of the boundary can uniquely…

数值分析 · 数学 2022-11-23 Guang Lin , Zecheng Zhang , Zhidong Zhang

In this paper, we present the analytical and numerical study of the optimization approach for determining the space-dependent source function in the parabolic inverse source problem using partial boundary measurements. The Lagrangian…

数值分析 · 数学 2025-04-23 T. Sharma , L. Beilina , K. Sakthivel

In this work, we discuss and compare three methods for the numerical approximation of constant- and variable-coefficient diffusion equations in both single and composite domains with possible discontinuity in the solution/flux at…

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