A numerical study of a posteriori error estimators for convection–diffusion equations
作者： Volker John
DOI: 10.1016/S0045-7825(99)00440-5
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摘要: Abstract This paper presents a numerical study of posteriori error estimators for convection–diffusion equations. The involves the gradient indicator, an estimator which is based on recovery, three residual-based different norms, and two are defined by solutions local Neumann problems. They compared with respect to reliable estimation global accuracy computed adaptively refined grids. shows both criteria comparison that none considered works satisfactorily in all tests.
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