2012 | OriginalPaper | Buchkapitel
Helmholtz-Hodge Decomposition on [0,1] d by Divergence-Free and Curl-Free Wavelets
verfasst von : Souleymane Kadri Harouna, Valérie Perrier
Erschienen in: Curves and Surfaces
Verlag: Springer Berlin Heidelberg
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This paper deals with the Helmholtz-Hodge decomposition of a vector field in bounded domain. We present a practical algorithm to compute this decomposition in the context of divergence-free and curl-free wavelets satisfying suitable boundary conditions. The method requires the inversion of divergence-free and curl-free wavelet Gram matrices. We propose an optimal preconditioning which allows to solve the systems with a small number of iterations. Finally, numerical examples prove the accuracy and the efficiency of the method.