A new Schwarz method for nonlinear systems is presented, constituting the multiplicative variant of a straightforward additive scheme. Local convergence can be guaranteed under suitable assumptions. The scheme is applied to nonlinear acoustic-structure interaction problems. Numerical examples validate the theoretical results. Further improvements are discussed by means of introducing overlapping subdomains and employing an inexact strategy for the local solvers.
Mots clés : Schwarz method, fluid-structure interaction, coupled problems, nonlinear elasticity, nonlinear acoustics, elasto-acoustic
@article{M2AN_2009__43_3_487_0, author = {Ernst, Roland and Flemisch, Bernd and Wohlmuth, Barbara}, title = {A multiplicative {Schwarz} method and its application to nonlinear acoustic-structure interaction}, journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique}, pages = {487--506}, publisher = {EDP-Sciences}, volume = {43}, number = {3}, year = {2009}, doi = {10.1051/m2an/2009010}, mrnumber = {2536246}, zbl = {1165.74017}, language = {en}, url = {http://www.numdam.org/articles/10.1051/m2an/2009010/} }
TY - JOUR AU - Ernst, Roland AU - Flemisch, Bernd AU - Wohlmuth, Barbara TI - A multiplicative Schwarz method and its application to nonlinear acoustic-structure interaction JO - ESAIM: Modélisation mathématique et analyse numérique PY - 2009 SP - 487 EP - 506 VL - 43 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2009010/ DO - 10.1051/m2an/2009010 LA - en ID - M2AN_2009__43_3_487_0 ER -
%0 Journal Article %A Ernst, Roland %A Flemisch, Bernd %A Wohlmuth, Barbara %T A multiplicative Schwarz method and its application to nonlinear acoustic-structure interaction %J ESAIM: Modélisation mathématique et analyse numérique %D 2009 %P 487-506 %V 43 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2009010/ %R 10.1051/m2an/2009010 %G en %F M2AN_2009__43_3_487_0
Ernst, Roland; Flemisch, Bernd; Wohlmuth, Barbara. A multiplicative Schwarz method and its application to nonlinear acoustic-structure interaction. ESAIM: Modélisation mathématique et analyse numérique, Tome 43 (2009) no. 3, pp. 487-506. doi : 10.1051/m2an/2009010. http://www.numdam.org/articles/10.1051/m2an/2009010/
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