[PDF][PDF] A box scheme for coupled systems resulting from microsensor thermistor problems

W Allegretto, Y Liu, A Zhou - … of continuous discrete and impulsive systems, 1999 - Citeseer
In this paper, a box approximation scheme is proposed using the lumped mass numerical
integration technique on piecewise linear nite element spaces for a coupled nonlinear …

Partial regularity of weak solutions to a PDE system with cubic nonlinearity

JG Liu, X Xu - Journal of Differential Equations, 2018 - Elsevier
In this paper we investigate regularity properties of weak solutions to a PDE system that
arises in the study of biological transport networks. The system consists of a possibly …

The theta‐Galerkin finite element method for coupled systems resulting from microsensor thermistor problems

M Mbehou - Mathematical Methods in the Applied Sciences, 2018 - Wiley Online Library
This paper is devoted to the analysis of a linearized theta‐Galerkin finite element method for
the time‐dependent coupled systems resulting from microsensor thermistor problems …

A local partial regularity theorem for weak solutions of degenerate elliptic equations and its application to the thermistor problem

X Xu - 1999 - projecteuclid.org
A partial regularity theorem is established for weak solutions of elliptic equations of the form
div(A(y)∇ψ)=0. Here we allow the possibility that the eigenvalues of A(y) are not bounded …

Local regularity theorems for the stationary thermistor problem with oscillating degeneracy

X Xu - Journal of mathematical analysis and applications, 2008 - Elsevier
In this paper we present some regularity results for solutions to the system− Δu= σ (u)|∇ φ|
2, div (σ (u)∇ φ)= 0 in the case where σ (u) is allowed to oscillate between 0 and a positive …

On the effects of thermal degeneracy in the thermistor problem

X Xu - SIAM journal on mathematical analysis, 2003 - SIAM
We investigate the boundedness of weak solutions to the initial boundary-value problem for
the system {∂ u ∂ t-div (K (u) ∇ u)= σ (u)| ∇ φ|^ 2,\div\left (σ (u) ∇ φ\right)= 0. in the case …

Partial regularity for an elliptic-parabolic system modeling miscible fluid flows in porous media

X Xu - arXiv preprint arXiv:2205.12817, 2022 - arxiv.org
In this paper we study the existence and partial regularity of weak solutions to an elliptic-
parabolic system that models the single-phase miscible displacement of one incompressible …

Degenerate semiconductor device equations with temperature effect

X Wu, X Xu - Nonlinear Analysis: Theory, Methods & Applications, 2006 - Elsevier
In this paper, we establish an existence assertion for the following elliptic system: coupled
with suitable boundary conditions. This problem arises from the study of semiconductor …

Existence of a solution for a thermoelectric model with several phase changes and a Carathéodory thermal conductivity

A Bermudez, R Munoz-Sola, F Pena - Nonlinear Analysis: Real World …, 2013 - Elsevier
We present an existence result for the time domain eddy current model for electromagnetic
field, coupled with a Stefan problem for temperature. We have extended the existence result …

Drift-diffusion equations and applications

W Allegretto, C Ringhofer, G Mascali… - … Physics: Lectures given …, 2003 - Springer
We shall discuss a variety of drift-diffusion equations and their properties. The choice is not
intended to be comprehensive, rather it reflects to considerable extent the author's interests …