Optimal error estimate of a projection based interpolation for the p-version approximation in three dimensions

  • Cao W
  • Demkowicz L
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Abstract

Optimal p-interpolation error estimate is derived for the local, projection-based interpolation for H1-conforming elements in three space dimensions. Two different procedures leading to the same logarithmic term ln3/2p in the estimate, are discussed. © 2005 Elsevier Ltd. All rights reserved.

Author-supplied keywords

  • Error estimate
  • The p-version of the finite-element method

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Authors

  • W. Cao

  • L. Demkowicz

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