Superconvergent Recovery of the Gradient from Piecewise Linear Finite-element Approximations
@article{Levine1985SuperconvergentRO, title={Superconvergent Recovery of the Gradient from Piecewise Linear Finite-element Approximations}, author={N. Levine}, journal={Ima Journal of Numerical Analysis}, year={1985}, volume={5}, pages={407-427} }
On justifie l'utilisation d'un schema simple pour determiner les gradients a partir de l'approximation a elements finis triangulaires lineaire par morceaux de la solution d'un probleme elliptique du second ordre. Le gradient obtenu est une estimation superconvergente du vrai gradient
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