Question

An artery with dimensions OD = 20 mm and ID = 17 mm is subjected to pressures ranging from 80 mmHg to 130 mmHg. (a) Determine the diameter of the artery of the systolic (highest) and diastolic (lowest) points. The material in the artery follows the relationship σ = kε 2 , with k = 25 MPa. (b) Plot the pressure–radius curve due to the internal pressure from the stress–strain response of the material.

Answer 1

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