Table 1 Node coordinates of a diamond lattice cell in a hexahedral element
Lattice cell: Diamond | Hexahedral element nodes | Node number | Coordinate \(\left({\xi }_{i},{\eta }_{i},{\zeta }_{i}\right)\) | Node number | Coordinate \(\left({\xi }_{i},{\eta }_{i},{\zeta }_{i}\right)\) |
I | (1, −1, −1) | V | (1, −1, 1) | ||
II | (1, 1,−1) | VI | (1, 1, 1) | ||
III | (−1, 1, −1) | VII | (−1, 1, 1) | ||
IV | (−1, −1, −1) | VIII | (−1, −1, 1) | ||
Lattice cell nodes | Node number | Coordinate \(\left({\xi }_{j},{\eta }_{j},{\zeta }_{j}\right)\) | Node number | Coordinate \(\left({\xi }_{j},{\eta }_{j},{\zeta }_{j}\right)\) | |
1 | (−1, −1, −1) | 8 | (0, 1, 0) | ||
2 | (−0.5, −0.5, −0.5) | 9 | (−0.5, 0.5, 0.5) | ||
3 | (−1, 0, 0) | 10 | (0, 0, 1) | ||
4 | (0, −1, 0) | 11 | (−1, 1, 1) | ||
5 | (0.5, 0.5, −0.5) | 12 | (0.5, −0.5, 0.5) | ||
6 | (0, 0, −1) | 13 | (1, 0, 0) | ||
7 | (1, 1, −1) | 14 | (1, −1, 1) |