Crouzeix-Raviart Boundary Elements
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Autores: Norbert Heuer
, Francisco Javier Sayas González
- Localización: Pre-publicaciones del Seminario Matemático " García de Galdeano ", Nº. 14, 2007, págs. 1-19
- Idioma: inglés
- Enlaces
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Resumen
This paper establishes a foundation of non-conforming boundary elements. We present a discrete weak formulation of hypersingular integral operator equations that uses Crouzeix¿Raviart elements for the approximation. The cases of closed and open polyhedral surfaces are dealt with. We prove that, for shape regular elements, this non-conforming boundary element method converges and that, up to logarithmical perturbations, the usual convergence rates of conforming elements are achieved. A numerical experiment confirms the theory
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