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Table 3 Layer-specific parameters of the Holzapfel-Gasser-Ogden strain energy function of the three aortas included in this study

From: The Role of Layer-Specific Residual Stresses in Arterial Mechanics: Analysis via a Novel Modelling Framework

Layer Sample # \({\mu }^{k}\) (kPa) \({c}_{1}^{k}\) (kPa) \({c}_{2}^{k}\) (–) \({\alpha }^{k}\) (°) \({\rho }^{k}\) (–) R2
Intima I 12.7 163.5 0.1 36.6 0.20 0.98
  II 22.7 165.8 3.3 38.9 0.21 0.97
  III 6.5 249.5 1.1 36.2 0.20 0.96
Media I 24.6 129.0 3.6 29.1 0.24 1.00
  II 30.1 95.7 4.0 28.8 0.21 1.00
  III 29.0 182.4 3.4 35.5 0.20 1.00
Adventitia I 20.7 22.2 66.3 49.5 0.24 0.99
  II 26.5 13.7 40.9 48.8 0.17 0.99
  III 25.2 49.6 29.1 43.0 0.26 0.98
  1. Parameters are defined in Eq. 8; R2, coefficient of determination of the simultaneous fitting of both circumferential and axial uniaxial tensile test data