Table 2 Strain energy (U) and mode I stress intensity Factor (\(K_I\)) computed with HNA Abaqus-ISET and the non-intrusive static condensation algorithm presented in [12]
From: A hierarchical non-intrusive algorithm for the generalized finite element method
Method | Element type | \(\varvec{K_I}\) | U \(\varvec{(E-5)}\) | \(\varvec{e^r(K_I)(\%)}\) | \(\varvec{e^r(U)(\%)}\) |
|---|---|---|---|---|---|
Reference | – | 3.0796 | 5.55154 | – | – |
Static Cond. | TET4 | 2.244 | 5.114 | 27.143 | 7.8729 |
HNA Abaqus-ISET | TET4 | 2.230 | 5.108 | 27.59 | 7.981 |
Static Cond. | TET10 | 2.885 | 5.348 | 6.3266 | 3.6659 |
HNA Abaqus-ISET | TET10 | 2.875 | 5.342 | 6.632 | 3.77 |
HNA Abaqus-ISET | HEX20 | 3.052 | 5.380 | 0.891 | 3.093 |