An overlapping additive Schwarz preconditioner for boundary element approximations to the Laplace screen and Lamé crack problems

Verfasser / Beitragende:
[T. Tran, E.P. Stephan]
Ort, Verlag, Jahr:
2004
Enthalten in:
Journal of Numerical Mathematics, 12/4(2004-11-01), 311-330
Format:
Artikel (online)
ID: 37892074X
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024 7 0 |a 10.1515/1569395042571265  |2 doi 
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245 0 3 |a An overlapping additive Schwarz preconditioner for boundary element approximations to the Laplace screen and Lamé crack problems  |h [Elektronische Daten]  |c [T. Tran, E.P. Stephan] 
520 3 |a We study a two-level overlapping additive Schwarz preconditioner for the h-version of the Galerkin boundary element method when used to solve hypersingular integral equations of the first kind on an open surface in These integral equations result from Neumann problems for the Laplace and Lamé equations in the exterior of the surface. We prove that the condition number of the preconditioned system is bounded by O(1 + log2(H/δ)), where H denotes the diameter of the subdomains and δ the size of the overlap. 
540 |a Copyright 2004, Walter de Gruyter 
690 7 |a Galerkin boundary element method  |2 nationallicence 
690 7 |a h version  |2 nationallicence 
690 7 |a additive Schwarz  |2 nationallicence 
690 7 |a overlapping  |2 nationallicence 
690 7 |a preconditioned conjugate gradient  |2 nationallicence 
700 1 |a Tran  |D T.  |u School of Mathematics, University of New South Wales, Sydney 2052, Australia  |4 aut 
700 1 |a Stephan  |D E.P.  |u Institut für Angewandte Mathematik, University of Hannover, 30167 Hannover, Germany  |4 aut 
773 0 |t Journal of Numerical Mathematics  |d Walter de Gruyter  |g 12/4(2004-11-01), 311-330  |x 1570-2820  |q 12:4<311  |1 2004  |2 12  |o jnma 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Tran  |D T.  |u School of Mathematics, University of New South Wales, Sydney 2052, Australia  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Stephan  |D E.P.  |u Institut für Angewandte Mathematik, University of Hannover, 30167 Hannover, Germany  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Journal of Numerical Mathematics  |d Walter de Gruyter  |g 12/4(2004-11-01), 311-330  |x 1570-2820  |q 12:4<311  |1 2004  |2 12  |o jnma 
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