Sergey Korotov, Department of Mathematics, University of Jyvaskyla, P. O. Box 35, SF-40351 Jyvaskyla, Finland, e-mail: korotov@math.jyu.fi
Abstract: The space of divergence-free functions with vanishing normal flux on the boundary is approximated by subspaces of finite elements that have the same property. The easiest way of generating basis functions in these subspaces is considered.
Keywords: divergence-free functions, finite elements, internal approximation, stream function.
Classification (MSC 1991): 65N30
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