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. 2018 May 14;46(9):1292–1308. doi: 10.1007/s10439-018-2043-5

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© Biomedical Engineering Society 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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(a) Equivalent stress distribution on the artery during the opening of slit in surgery. * indicates the highest stressed region of the main pulmonary artery, which also observed symmetrically at the opposite side of the vessel. ** Highlights the relatively moderate stressed regions. (b) Equivalent stress distribution on the patch and artery after pressurizing to post-operative blood pressure level. *Shows the stress concentration regions on the patch and the artery. Stress gradient maps are shown in logarithmic scale to highlight the vessel and patch connection region’s stress contours in various colors.