Page 158 - Advances in Biomechanics and Tissue Regeneration

154 8. TOWARDS THE REAL-TIME MODELING OF THE HEART

46.371 46.371
39.89 39.89
33.409 33.409
26.928 26.928
20.448 20.448
13.967 13.967
7.4861 7.4861
1.0053 1.0053
-5.4754 -5.4754
(A) -11.956 (B) -11.956
FIG. 8.8 Comparison of fiber stress field (along V 1 ) of PODI against FEM, at the end of isovolumetric contraction (IVC). (A) PODI; (B) FEM.

3.2448 3.0351
2.8884 2.702
2.532 2.3689
2.1757 2.0359
1.8193 1.7028
1.4629 1.3697
1.1065 1.0366
0.75018 0.70357
0.3938 0.3705
(A) 0.037428 (B) 0.037426
FIG. 8.9 Comparison of displacement field solution of PODI against FEM, at the end of isovolumetric relaxation (IVR). (A) PODI; (B) FEM.

25
LV-FEM
LV-PODI
20

Pressure (kPa) 15

10

5

0
80 100 120 140
Volume (mL)
FIG. 8.10 Comparison of the pressure-volume loop generated from PODI against a conventional full-scale simulation using FEM.

I. BIOMECHANICS