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. 2021 Oct 18;9:750656. doi: 10.3389/fbioe.2021.750656

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Copyright © 2021 Salmasi, Pirola, Sasidharan, Fisichella, Redaelli, Jarral, O’Regan, Oo, Moore, Xu and Athanasiou.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Matching flow to material properties. (A) Reference map used for collection of samples throughout the whole aortic specimen. Segments are classified using alphanumeric codes in which the first letter and number denote the position (R = right, L = left), the second letter denotes the sample orientation (C = circumferential, L = longitudinal), the third letter denotes the sample type (S = dogbone, P = rectangular) (B–C) WSS mapping on to aneurysmal wall surface, which is unraveled by division along the anterior. This is subdivided into six circumferential regions (R1-R3, L1-L3), with a horizontal dividing line (12 segments total). (D) Streamlines demonstrating haemodynamic flow derived from CFD within an anatomically (patient-specific) segmented aortic wall.