Emergent Mind
Two and three dimensional $H^2$-conforming finite element approximations without $C^1$-elements
(2406.00338)
Published Jun 1, 2024
in
math.NA
and
cs.NA
Abstract
We develop a method to compute $H2$-conforming finite element approximations in both two and three space dimensions using readily available finite element spaces. This is accomplished by deriving a novel, equivalent mixed variational formulation involving spaces with at most $H1$-smoothness, so that conforming discretizations require at most $C0$-continuity. The method is demonstrated on arbitrary order $C1$-splines.
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