Advances in Differential Equations

Existence of a solution to a coupled elliptic system with a Signorini condition

Stéphane Gerbi, Raphaèle Herbin, and Emmanuelle Marchand

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Abstract

The existence of the solution to an elliptic system arising in electrochemical modelling is proven here. The elliptic system of interest here is composed of two diffusion equations; one of them is posed with a Dirichlet condition which couples it to the other equation on an interface, and a Signorini condition on one of the boundaries. The other one is posed with Neumann conditions, which are also coupled at an interface. The existence of the solution is proven by using Schauder's fixed point theorem, which requires some previous local regularity properties of the solution to the ``Signorini problem".

Article information

Source
Adv. Differential Equations Volume 4, Number 2 (1999), 225-250.

Dates
First available in Project Euclid: 18 April 2013

Permanent link to this document
https://projecteuclid.org/euclid.ade/1366291414

Mathematical Reviews number (MathSciNet)
MR1674347

Zentralblatt MATH identifier
0959.35047

Subjects
Primary: 35J65: Nonlinear boundary value problems for linear elliptic equations
Secondary: 35B45: A priori estimates 35Q99: None of the above, but in this section

Citation

Gerbi, Stéphane; Herbin, Raphaèle; Marchand, Emmanuelle. Existence of a solution to a coupled elliptic system with a Signorini condition. Adv. Differential Equations 4 (1999), no. 2, 225--250. https://projecteuclid.org/euclid.ade/1366291414.


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