Miran Saje in Rado Flajs (2012) On the Convergence of a Nonconforming Plane Quadrilateral Finite Element. V: Eleventh International Conference on Computational Structures Technology, 4-7 September 2012, Dubrovnik.
Povzetek
The convergence of the nonconvex quadrilateral nonconforming finite element RQ6 is proven using the subdivision of nonunisolvent quadrilaterals and Stummelʼs generalized patch test. The error estimates are derived with the useof standard geometric conditions. The results of various numerical examplescompletely confirm the theoretical findings.
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