Re-examination of the mechanical anisotropy of porcine thoracic aorta by uniaxial tensile tests

Chen, Qiang; Wang, Yan; Li, Zhi-Yong

doi:10.1186/s12938-016-0279-6

BioMedical Engineering OnLine

Table 1 Parameters of the five-parameter Maxwell visco-elastic model by fitting the averaged experimental data in Fig. 8

From: Re-examination of the mechanical anisotropy of porcine thoracic aorta by uniaxial tensile tests

Angle	Parameters	Ten steps
Angle	Parameters	S-1	S-2	S-3	S-4	S-5	S-6	S-7	S-8	S-9	S-10	Mean	SD
30°	G ₀	0.79	0.84	0.86	0.78	0.74	0.81	0.78	0.77	0.78	0.78	0.792	0.033
	μ ₁	0.14	0.17	0.16	0.20	0.21	0.19	0.20	0.20	0.20	0.20	0.185	0.021
	τ ₁	0.79	0.82	0.83	0.99	0.99	0.85	0.95	0.96	0.96	0.99	0.913	0.076
	μ ₂	7.62	3.83	3.95	4.10	4.69	3.73	3.96	3.96	4.05	4.07	4.395	1.102
	τ ₂	33.09	17.94	20.28	22.77	24.56	18.58	20.28	20.19	20.25	20.92	21.885	4.141
45°	G ₀	0.83	0.81	0.86	0.86	0.88	0.84	0.84	0.82	0.80	0.79	0.833	0.026
	μ ₁	0.12	0.18	0.17	0.16	0.16	0.17	0.17	0.18	0.18	0.19	0.169	0.017
	τ ₁	0.76	0.90	0.86	0.89	0.86	0.93	0.92	0.92	0.93	0.98	0.894	0.056
	μ ₂	6.31	4.14	3.57	3.95	3.21	3.73	3.75	3.99	4.07	4.11	4.084	0.792
	τ ₂	21.69	22.04	20.99	22.45	19.47	21.90	20.74	21.64	21.32	21.06	21.330	0.795
60°	G ₀	0.81	0.84	0.82	0.85	0.83	0.86	0.82	0.83	0.80	0.79	0.824	0.020
	μ ₁	0.18	0.17	0.18	0.17	0.17	0.15	0.18	0.17	0.19	0.18	0.176	0.009
	τ ₁	0.95	0.82	0.95	0.96	0.94	0.86	0.98	0.95	0.99	0.98	0.938	0.053
	μ ₂	4.13	3.78	3.64	3.42	4.04	4.24	3.73	3.80	4.11	4.41	3.930	0.289
	τ ₂	22.58	20.28	20.77	21.50	22.68	20.87	21.22	20.08	21.53	21.12	21.264	0.816
90°	G ₀	0.70	0.86	0.92	0.95	0.95	0.90	0.88	0.86	0.83	0.82	0.868	0.069
	μ ₁	0.15	0.17	0.14	0.13	0.13	0.14	0.16	0.16	0.17	0.17	0.152	0.013
	τ ₁	0.93	1.12	0.86	0.86	0.82	0.88	0.93	0.94	0.97	0.96	0.926	0.080
	μ ₂	12.88	3.61	3.52	3.11	3.21	3.70	3.62	3.79	4.20	4.28	4.592	2.784
	τ ₂	52.63	22.86	24.78	19.88	18.88	22.03	21.33	21.27	22.19	22.10	24.796	9.400
120°	G ₀	0.88	0.78	0.85	0.89	0.80	0.88	0.85	0.82	0.79	0.81	0.836	0.039
	μ ₁	0.15	0.18	0.16	0.15	0.18	0.15	0.16	0.17	0.18	0.17	0.166	0.012
	τ ₁	0.99	1.04	1.00	0.96	1.05	0.89	0.94	0.96	0.98	0.95	0.977	0.044
	μ ₂	3.88	4.87	3.89	3.53	4.76	3.70	3.84	4.14	4.64	4.32	4.156	0.444
	τ ₂	24.50	27.56	22.68	21.50	26.36	19.61	20.92	22.07	23.31	21.68	23.019	2.349
135°	G ₀	0.85	0.83	0.92	0.90	0.86	0.84	0.87	0.85	0.84	0.83	0.858	0.029
	μ ₁	0.12	0.18	0.14	0.16	0.16	0.17	0.16	0.16	0.17	0.17	0.159	0.016
	τ ₁	0.80	1.05	0.86	0.94	1.00	1.05	0.91	0.95	0.95	1.00	0.949	0.076
	μ ₂	6.42	3.58	3.18	3.06	3.80	3.83	3.97	3.91	4.04	4.03	3.982	0.877
	τ ₂	27.58	22.89	19.47	20.38	23.35	23.96	20.65	21.23	21.80	21.42	22.272	2.207
150°	G ₀	0.56	0.76	0.81	0.84	0.88	0.84	0.78	0.82	0.82	0.80	0.791	0.081
	μ ₁	0.21	0.16	0.17	0.17	0.15	0.17	0.20	0.17	0.18	0.19	0.177	0.016
	τ ₁	1.38	0.93	0.97	0.91	0.89	0.93	1.12	0.95	0.95	1.00	1.003	0.139
	μ ₂	12.36	6.49	4.40	4.08	3.79	4.06	4.02	4.04	4.03	4.01	5.127	2.521
	τ ₂	45.13	29.01	23.35	22.34	21.05	21.96	23.59	19.98	21.13	21.27	24.882	7.154
180°	G ₀	0.80	0.77	0.81	0.79	0.81	0.76	0.67	0.74	0.75	0.77	0.766	0.039
	μ ₁	0.16	0.20	0.18	0.19	0.19	0.21	0.23	0.21	0.21	0.20	0.199	0.017
	τ ₁	0.80	0.86	0.82	0.86	0.78	0.86	0.99	0.94	0.96	0.98	0.884	0.074
	μ ₂	5.42	3.96	3.94	3.69	3.63	4.02	5.47	4.20	4.22	4.08	4.264	0.617
	τ ₂	27.19	20.52	19.19	19.14	18.23	19.44	26.06	19.86	20.33	19.94	20.990	2.896

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