Reliable and efficient a posteriori error estimates for finite element approximations of the parabolic p-Laplacian

Reliable and efficient a posteriori error estimates for finite element approximations of the parabolic p-Laplacian

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We generalize the a posteriori techniques for the linear heat equation in [Ver03] to the case of the nonlinear parabolic p-Laplace problem thereby proving reliable and efficient a posteriori error estimates for a fully discrete implicite Euler Galerkin finite element scheme. The error is analyzed us...

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Detalhes bibliográficos
Autor principal: Kreuzer, C
Formato: Report
Publicado em: Springer 2011
Descrição
Resumo:We generalize the a posteriori techniques for the linear heat equation in [Ver03] to the case of the nonlinear parabolic p-Laplace problem thereby proving reliable and efficient a posteriori error estimates for a fully discrete implicite Euler Galerkin finite element scheme. The error is analyzed using the so-called quasi-norm and a related dual error expression. This leads to equivalence of the error and the residual, which is the key property for proving the error bounds.

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