Convergence of the Dirichlet-Neumann method for semilinear elliptic equations

Fuente: arXiv
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Main Author: Engström, Emil
Format: Preprint
Published: 2024
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author Engström, Emil
author_facet Engström, Emil
contents The Dirichlet-Neumann method is a common domain decomposition method for nonoverlapping domain decomposition and the method has been studied extensively for linear elliptic equations. However, for nonlinear elliptic equations, there are only convergence results for some specific cases in one spatial dimension. The aim of this manuscript is therefore to prove that the Dirichlet-Neumann method converges for a class of semilinear elliptic equations on Lipschitz continuous domains in two and three spatial dimensions. This is achieved by first proving a new result on the convergence of nonlinear iterations in Hilbert spaces and then applying this result to the Steklov-Poincaré formulation of the Dirichlet-Neumann method.
format Preprint
id arxiv_https___arxiv_org_abs_2410_14339
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Convergence of the Dirichlet-Neumann method for semilinear elliptic equations
Engström, Emil
Numerical Analysis
65N55 (Primary) 35J61, 47J25 (Secondary)
The Dirichlet-Neumann method is a common domain decomposition method for nonoverlapping domain decomposition and the method has been studied extensively for linear elliptic equations. However, for nonlinear elliptic equations, there are only convergence results for some specific cases in one spatial dimension. The aim of this manuscript is therefore to prove that the Dirichlet-Neumann method converges for a class of semilinear elliptic equations on Lipschitz continuous domains in two and three spatial dimensions. This is achieved by first proving a new result on the convergence of nonlinear iterations in Hilbert spaces and then applying this result to the Steklov-Poincaré formulation of the Dirichlet-Neumann method.
title Convergence of the Dirichlet-Neumann method for semilinear elliptic equations
topic Numerical Analysis
65N55 (Primary) 35J61, 47J25 (Secondary)
url https://arxiv.org/abs/2410.14339