Adaptive FEM-BEM coupling with a Schur complement error indicator

• Autores: Andreas Krebs, Matthias Maischak, Ernst P. Stephan
• Localización: Applied numerical mathematics, ISSN-e 0168-9274, Vol. 60, Nº. 8, 2010, págs. 798-808
• Idioma: inglés
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• Resumen

  • In this paper an a-posteriori error estimate for non-linear coupled FEM�BEM equations is derived by using the Steklov�Poincaré operator and hierarchical basis techniques. We obtain �local� error indicators which are based on two-level subspace decompositions with the additive Schwarz operator. We present an algorithm for adaptive error control which is driven by these error indicators and numerical results are included.