Supercloseness of orthogonal projections onto nearby finite element spaces
نویسندگان
چکیده
منابع مشابه
Supercloseness of Orthogonal Projections onto Nearby Finite Element Spaces
We derive upper bounds on the difference between the orthogonal projections of a smooth function u onto two finite element spaces that are nearby, in the sense that the support of every shape function belonging to one but not both of the spaces is contained in a common region whose measure tends to zero under mesh refinement. The bounds apply, in particular, to the setting in which the two fini...
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ژورنال
عنوان ژورنال: ESAIM: Mathematical Modelling and Numerical Analysis
سال: 2015
ISSN: 0764-583X,1290-3841
DOI: 10.1051/m2an/2014045