Uniqueness in an inverse problem for a one-dimensional fractional diffusion equation

J Cheng, J Nakagawa, M Yamamoto… - Inverse …, 2009 - iopscience.iop.org
We consider a one-dimensional fractional diffusion equation:, where and denotes the
Caputo derivative in time of order α. We attach the homogeneous Neumann boundary …

Identification of point source emission in river pollution incidents based on Bayesian inference and genetic algorithm: Inverse modeling, sensitivity, and uncertainty …

Y Zhu, Z Chen, Z Asif - Environmental Pollution, 2021 - Elsevier
Identification of pollution point source in rivers is strenuous due to accidental chemical spills
or unmanaged wastewater discharges. It is crucial to take physical characteristics into …

Comparison and improvements of optimization methods for gas emission source identification

D Ma, J Deng, Z Zhang - Atmospheric Environment, 2013 - Elsevier
Identification of gas leakage source term is important for atmosphere safety. Optimization is
one useful method to determine leakage source parameters. The performances of different …

Distributed parameter estimation for monitoring diffusion phenomena using physical models

LA Rossi, B Krishnamachari… - 2004 First Annual IEEE …, 2004 - ieeexplore.ieee.org
In this work, we address the problem of estimating parameters of diffusion phenomena via
autonomous wireless sensor networks. Diffusion phenomena, such as the propagation of a …

Estimates of initial conditions of parabolic equations and inequalities via lateral Cauchy data

MV Klibanov - Inverse problems, 2006 - iopscience.iop.org
A parabolic equation and, more generally, parabolic inequality is considered in the cylinder
QT= Ω×(0, T), where Ω⊂ R n is a bounded domain. Cauchy data, ie, both Dirichlet and …

[HTML][HTML] On an inverse problem for inhomogeneous thermoelastic rod

R Nedin, S Nesterov, A Vatulyan - International Journal of Solids and …, 2014 - Elsevier
In recent years, different fields of engineering have been increasingly incorporating
functionally graded materials with variable physical properties that significantly improve a …

A numerical solution of an inverse diffusion problem based on operational matrices of orthonormal polynomials

K Rashedi - Mathematical methods in the applied sciences, 2021 - Wiley Online Library
The inverse problem of identifying the diffusion coefficient in the one‐dimensional parabolic
heat equation is studied. We assume that the information of Dirichlet boundary conditions …

Identification of thermal conductivity coefficient and volumetric heat capacity of functionally graded materials

R Nedin, S Nesterov, A Vatulyan - International Journal of Heat and Mass …, 2016 - Elsevier
Functionally graded materials are being widely implemented in many fields of technology. In
the paper we present an approach to solving an inverse problem on a simultaneous …

Lipschitz stability in the determination of the principal part of a parabolic equation

G Yuan, M Yamamoto - ESAIM: Control, Optimisation and Calculus of …, 2009 - cambridge.org
Let y (h)(t, x) be one solution to\[\partial_t y (t, x)-\sum_ {i, j= 1}^{n}\partial_ {j}(a_
{ij}(x)\partial_i y (t, x))= h (t, x),\thinspace 0< t< T,\thinspace x\in\Omega\] with a non …

Estimation of space-time varying parameters using a diffusion LMS algorithm

R Abdolee, B Champagne… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
We study the problem of distributed adaptive estimation over networks where nodes
cooperate to estimate physical parameters that can vary over both space and time domains …