A simple approach to reliable and robust a posteriori error estimation for singularly perturbed problems
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DOI: 10.1016/j.cma.2019.05.014
Abstract: Abstract A simple flux reconstruction for finite element solutions of reaction–diffusion problems is shown to yield fully computable upper bounds on the energy norm of error in an approximation of singularly perturbed reaction–diffusion problem. The… read more here.
Keywords: singularly perturbed; error; approach reliable; simple approach ... See more keywords