Abstract
We suggest hierarchical a posteriori error estimators for time-discretized Allen–Cahn and Cahn–Hilliard equations with logarithmic potential and investigate their robustness numerically. We observe that the associated effectivity ratios seem to saturate for decreasing mesh size and are almost independent of the temperature.
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This work was supported by the DFG Research Center Matheon
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Gräser, C., Kornhuber, R., Sack, U. (2010). On Hierarchical Error Estimators for Time-Discretized Phase Field Models. In: Kreiss, G., Lötstedt, P., Målqvist, A., Neytcheva, M. (eds) Numerical Mathematics and Advanced Applications 2009. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11795-4_42
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DOI: https://doi.org/10.1007/978-3-642-11795-4_42
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