Diagonal Scaling Preconditioner and Locally-Refined Meshes

Ernst P. Stephan () and Thanh Tran ()
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Ernst P. Stephan: Leibniz University Hannover
Thanh Tran: The University of New South Wales

Chapter Chapter 12 in Schwarz Methods and Multilevel Preconditioners for Boundary Element Methods, 2021, pp 277-305 from Springer

Abstract: Abstract In this chapter, we study the effect of mesh refinements on the condition numbers of the stiffness matrices arising from the h-version Galerkin boundary element discretisation of the weakly-singular and hypersingular integral equations, when quasiuniform and locally refined meshes are used. The condition numbers of the diagonally scaled matrices are also studied.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-030-79283-1_12

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DOI: 10.1007/978-3-030-79283-1_12

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