Isogeometric Schwarz Preconditioners with Generalized B-Splines for the Biharmonic Problem

We construct an overlapping additive Schwarz preconditioner for the biharmonic Dirichlet problems discretized by isogeometric analysis based on generalized B-splines (GB-splines) and analyze its optimal convergence rate bound that is cubic in the ratio between subdomains and overlap sizes. Our analy...

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Main Author: Durkbin Cho
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Axioms
Subjects:
Online Access:https://www.mdpi.com/2075-1680/12/5/452
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author Durkbin Cho
author_facet Durkbin Cho
author_sort Durkbin Cho
collection DOAJ
description We construct an overlapping additive Schwarz preconditioner for the biharmonic Dirichlet problems discretized by isogeometric analysis based on generalized B-splines (GB-splines) and analyze its optimal convergence rate bound that is cubic in the ratio between subdomains and overlap sizes. Our analysis is validated through a set of numerical experiments that illustrate good behavior of the proposed preconditioner with respect to the model parameters.
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spelling doaj.art-0fac4abe866341fabb1f942f1b1d8d4f2023-11-18T00:27:29ZengMDPI AGAxioms2075-16802023-05-0112545210.3390/axioms12050452Isogeometric Schwarz Preconditioners with Generalized B-Splines for the Biharmonic ProblemDurkbin Cho0Department of Mathematics, Dongguk University, Pil-dong 3-ga, Jung-gu, Seoul 04620, Republic of KoreaWe construct an overlapping additive Schwarz preconditioner for the biharmonic Dirichlet problems discretized by isogeometric analysis based on generalized B-splines (GB-splines) and analyze its optimal convergence rate bound that is cubic in the ratio between subdomains and overlap sizes. Our analysis is validated through a set of numerical experiments that illustrate good behavior of the proposed preconditioner with respect to the model parameters.https://www.mdpi.com/2075-1680/12/5/452domain decomposition methodsoverlapping Schwarz methodsbiharmonic problemseffective preconditionersisogeometric analysisgeneralized B-splines
spellingShingle Durkbin Cho
Isogeometric Schwarz Preconditioners with Generalized B-Splines for the Biharmonic Problem
Axioms
domain decomposition methods
overlapping Schwarz methods
biharmonic problems
effective preconditioners
isogeometric analysis
generalized B-splines
title Isogeometric Schwarz Preconditioners with Generalized B-Splines for the Biharmonic Problem
title_full Isogeometric Schwarz Preconditioners with Generalized B-Splines for the Biharmonic Problem
title_fullStr Isogeometric Schwarz Preconditioners with Generalized B-Splines for the Biharmonic Problem
title_full_unstemmed Isogeometric Schwarz Preconditioners with Generalized B-Splines for the Biharmonic Problem
title_short Isogeometric Schwarz Preconditioners with Generalized B-Splines for the Biharmonic Problem
title_sort isogeometric schwarz preconditioners with generalized b splines for the biharmonic problem
topic domain decomposition methods
overlapping Schwarz methods
biharmonic problems
effective preconditioners
isogeometric analysis
generalized B-splines
url https://www.mdpi.com/2075-1680/12/5/452
work_keys_str_mv AT durkbincho isogeometricschwarzpreconditionerswithgeneralizedbsplinesforthebiharmonicproblem