Table 1 Strain energy (U) and mode I stress intensity factor (\(K_I\)) computed with HNA Abaqus-ISET and ISET only
From: A hierarchical non-intrusive algorithm for the generalized finite element method
Solver | Element type | \(\varvec{K_I}\) | \(\varvec{K_I}\) rel. diff. | U \(\varvec{(E-5)}\) | U rel. diff. |
|---|---|---|---|---|---|
ISET only | TET4 | 2.229905 | – | 5.108473 | – |
HNA Abaqus-ISET | TET4 | 2.229903 | \(8.97E-7\) | 5.108471 | \(3.32E-7\) |
ISET only | TET10 | 2.87537 | – | 5.3423454250874 | – |
HNA Abaqus-ISET | TET10 | 2.87537 | 0 | 5.3423454250871 | \(4.97E-14\) |
ISET only | HEX20 | 3.05214 | – | 5.37984 | – |
HNA Abaqus-ISET | HEX20 | 3.05217 | \(7.536E-6\) | 5.37986 | \(3.604E-6\) |