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Internal fe approximation of spaces of divergence‐free functions in three‐dimensional domains
Author(s) -
Křižek Michal,
Neittaanmäuki Pekka
Publication year - 1986
Publication title -
international journal for numerical methods in fluids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 112
eISSN - 1097-0363
pISSN - 0271-2091
DOI - 10.1002/fld.1650061104
Subject(s) - linear subspace , divergence (linguistics) , mathematics , mathematical analysis , basis function , boundary (topology) , space (punctuation) , basis (linear algebra) , property (philosophy) , pure mathematics , vector space , geometry , computer science , philosophy , linguistics , epistemology , operating system
The space of divergence‐free vector functions with vanishing normal flux on the boundary is approximated by subspaces of finite elements having the same property. An easy way of generating basis functions in these subspaces is shown.