In this study, the residual strain was evaluated for human saphenous vein. Rings of the vein from four donors (two male and two female; age 62±5 years) were radially cut to obtain the opening angle (α) of the tissue. It was found that the average opening angle (α) 45°±18° (mean±SD). Then, the intraluminal distribution of circumferential stress was computed for one donor in order to verify the uniform stress hypothesis (opening angle is homogenizing the stress distribution across the wall thickness). The results suggests that α obtained from experiments is close to the value of opening angle which homogenizes the stress distribution across the wall thickness determined from simulations.
CitationVesely, Jan [et al.]. Opening angle of human saphenous vein. A: COMPLAS XIII. "COMPLAS XIII : proceedings of the XIII International Conference on Computational Plasticity : fundamentals and applications". CIMNE ed. Barcelona: CIMNE, 2015, p. 457-462.
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