Approximation in FEM, DG and IGA: a theoretical comparison
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DOI: 10.1007/s00211-019-01063-5
Abstract: In this paper we compare approximation properties of degree $p$ spline spaces with different numbers of continuous derivatives. We prove that, for a given space dimension, $\smooth {p-1}$ splines provide better a priori error bounds… read more here.
Keywords: iga theoretical; approximation; fem iga; theoretical comparison ... See more keywords