Table 3 Effect of the interpolation of boundary conditions on mesh quality and identification results for mesh density 1
Interpolation c | \(\overline{{\varvec{\theta }}}\) (%) | RMS error (voxels) | \(\varvec{\chi }_{\varvec{F}}\) | \(\varvec{\chi }_{\varvec{I}}\) |
|---|---|---|---|---|
Q1 | 42 | 2.55 | 14.7 | 5.02 |
Q3 | 35 | 0.23 | 14.4 | 1.40 |
Q4 | 45 | 0.22 | 14.3 | 1.40 |
Q6 | 117 | 0.21 | 14.3 | 1.46 |
Q8 | 117 | 0.20 | 14.2 | 1.44 |
None | 174 | – | 14.2 | 1.45 |