An error indicator for mortar element solutions to the Stokes problem

We are interested in the mortar spectral element discretization of the Stokes problem in a two-dimensional polygonal domain. We propose a family of residual type error indicators and we prove estimates which allow us to compare them with the error. We explain how these indicators can be used for adaptivity, and we present some numerical experiments.


Published in:
IMA J. Num. Anal., 21, 857-886
Year:
2001
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 Record created 2007-05-22, last modified 2018-03-17


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