A Morley finite element method for the displacement obstacle problem of clamped Kirchhoff plates

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摘要

We study a Morley finite element method for the displacement obstacle problem of clamped Kirchhoff plates on polygonal domains. Error estimates are derived in the energy norm and the L∞ norm. The performance of the method is illustrated by numerical experiments.

论文关键词：65K15,65N30,Displacement obstacle,Clamped Kirchhoff plate,Fourth order variational inequality,Morley element

论文评审过程：Received 1 January 2012, Available online 13 March 2013.

论文官网地址：https://doi.org/10.1016/j.cam.2013.02.028