Multi-grid continuation and spurious solutions for nonlinear boundary value problems

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Recently the author together with R. Bank has developed, implemented and successfully applied a continuation technique for the numerical solution of parameter- dependent nonlinear elliptic boundary value problems. The method was integrated into an existing multi-grid package based on an adaptive finite element discretization. We present the continuation method and prove an important theoretical result for the corrector iteration. For the Bratu problem - ∆u = leu on the square with homogeneous Dirichlet conditions we show how spurious solutions maybe encountered while computing relevant solutions, how the program handles those and how it allows to detect them.

Original languageEnglish (US)
Pages (from-to)387-401
Number of pages15
JournalRocky Mountain Journal of Mathematics
Volume18
Issue number2
DOIs
StatePublished - Jan 1 1988

ASJC Scopus subject areas

  • Mathematics(all)

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