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Table 4 Relative error of stress intensity factor \(K_I\) extracted from the HNA Abaqus-ISET solution of the surface crack problem

From: A hierarchical non-intrusive algorithm for the generalized finite element method

Element type \(\varvec{e^r(K_I)\,(\%)}\)
TET4 15.5
TET10 0.445
HEX20 0.505
  1. The element type used in the initial and enriched global problems is indicated