Abstract
A novel residual-type a posteriori error analysis technique is developed for multipoint flux mixed finite element methods for flow in porous media in two or three space dimensions. The derived a posteriori error estimator for the velocity and pressure error in L-norm consists of discretization and quadrature indicators, and is shown to be reliable and efficient. The main tools of analysis are a locally postprocessed approximation to the pressure solution of an auxiliary problem and a quadrature error estimate. Numerical experiments are presented to illustrate the competitive behavior of the estimator.
Original language | English (US) |
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Pages (from-to) | 197-222 |
Number of pages | 26 |
Journal | Numerische Mathematik |
Volume | 134 |
Issue number | 1 |
DOIs | |
State | Published - Oct 26 2015 |