Table 3 Estimated Windkessel parameters (at the end of two cardiac cycles) in the cases with an initial error in the pressure field (corresponding to Fig. 10).
From: A flexible framework for sequential estimation of model parameters in computational hemodynamics
Outlet | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|
C (\(\hbox {mm}^3\)/Pa) | |||||||||
True values | 0.783 | 0.409 | 0.324 | 0.464 | 0.464 | 0.660 | 0.761 | 0.293 | 0.296 |
A-PE (no P) | 0.800 | 0.422 | 0.333 | 0.481 | 0.485 | 0.683 | 0.793 | 0.304 | 0.309 |
% error | 2.20% | 3.19% | 2.72% | 3.56% | 4.63% | 3.56% | 4.25% | 3.85% | 4.40% |
B-PE (1 P) | 0.833 | 0.431 | 0.331 | 0.479 | 0.480 | 0.683 | 0.763 | 0.305 | 0.309 |
% error | 6.39% | 5.25% | 1.92% | 3.15% | 3.52% | 3.56% | 0.27% | 4.01% | 4.57% |
\(R_2\) (Pa s/\(\hbox {mm}^3\)) | |||||||||
True values | 0.629 | 1.202 | 1.517 | 1.060 | 1.061 | 0.746 | 0.647 | 1.679 | 1.664 |
A-PE (no P) | 0.478 | 0.938 | 1.165 | 0.796 | 0.799 | 0.568 | 0.468 | 1.336 | 1.322 |
% error | − 24.0% | − 22.0% | − 23.2% | − 24.9% | − 24.7% | − 23.8% | − 27.6% | − 20.4% | − 20.6% |
B-PE (1 P) | 0.621 | 1.200 | 1.535 | 1.064 | 1.069 | 0.749 | 0.649 | 1.707 | 1.693 |
% error | − 1.27% | − 0.15% | 1.18% | 0.41% | 0.77% | 0.39% | 0.41% | 1.67% | 1.75% |
\(R_1\) (Pa s/\(\hbox {mm}^3\)) | |||||||||
True values | 0.137 | 0.137 | 0.269 | 0.279 | 0.279 | 0.147 | 0.246 | 0.107 | 0.122 |
A-PE (no P) | 0.137 | 0.136 | 0.263 | 0.273 | 0.273 | 0.143 | 0.240 | 0.108 | 0.122 |
% error | 0.32% | − 0.75% | − 2.21% | − 2.35% | − 2.16% | − 2.69% | − 2.66% | 0.26% | − 0.20% |
B-PE (1 P) | 0.143 | 0.142 | 0.278 | 0.285 | 0.286 | 0.153 | 0.255 | 0.116 | 0.130 |
% error | 4.90% | 3.59% | 3.53% | 2.18% | 2.73% | 4.14% | 3.39% | 7.67% | 6.58% |