Ultraconvergence of high order FEMs for elliptic problems with variable coefficients
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DOI: 10.1007/s00211-016-0838-6
Abstract: In this paper, we investigate local ultraconvergence properties of the high-order finite element method (FEM) for second order elliptic problems with variable coefficients. Under suitable regularity and mesh conditions, we show that at an interior… read more here.
Keywords: order; variable coefficients; problems variable; high order ... See more keywords