We develop a cut finite element method for a second order elliptic coupled bulk-surface model problem. We prove a priori estimates for the energy and (Formula presented.) norms of the error. Using stabilization terms we show that the resulting algebraic system of equations has a similar condition number as a standard fitted finite element method. Finally, we present a numerical example illustrating the accuracy and the robustness of our approach.
CITATION STYLE
Burman, E., Hansbo, P., Larson, M. G., & Zahedi, S. (2016). Cut finite element methods for coupled bulk–surface problems. Numerische Mathematik, 133(2), 203–231. https://doi.org/10.1007/s00211-015-0744-3
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