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The implications of second-order functional derivative on error estimation in adaptive finite element analysis for electromagnetics

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2 Author(s)
McFee, S. ; Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, Que., Canada ; Giannacopoulos, D.

The potential advantages and related costs of using second-order functional mesh discretization derivatives for error estimation in adaptive finite element analysis (FEA) for electromagnetics are investigated. Second-order indicators are proposed to identify and stabilize erroneous first-order error distributions that arise in unbalanced discretization regions. Effective combined derivative estimators are introduced and evaluated in practical applications

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Magnetics, IEEE Transactions on  (Volume:35 ,  Issue: 3 )