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Comparative finite element modelling of aneurysm formation and physiologic inflation in the descending aorta

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Comparative finite element modelling of aneurysm formation and physiologic inflation in the descending aorta. / de Gelidi, Serena; Bucchi, Andrea.

In: Computer Methods in Biomechanics and Biomedical Engineering, Vol. 22, No. 15, 01.11.2019, p. 1197-1208.

Research output: Contribution to journalArticle

Harvard

de Gelidi, S & Bucchi, A 2019, 'Comparative finite element modelling of aneurysm formation and physiologic inflation in the descending aorta', Computer Methods in Biomechanics and Biomedical Engineering, vol. 22, no. 15, pp. 1197-1208. https://doi.org/10.1080/10255842.2019.1650036

APA

Vancouver

Author

de Gelidi, Serena ; Bucchi, Andrea. / Comparative finite element modelling of aneurysm formation and physiologic inflation in the descending aorta. In: Computer Methods in Biomechanics and Biomedical Engineering. 2019 ; Vol. 22, No. 15. pp. 1197-1208.

Bibtex

@article{ef1466965812444582719f7811c2dcd1,
title = "Comparative finite element modelling of aneurysm formation and physiologic inflation in the descending aorta",
abstract = "Despite the general interest in aneurysm rupture prediction, the aneurysm formation has received limited attention. The goal of this study is to assess whether an aneurysm may be instigated in a healthy model of an aorta inflated by a supra-physiological pressure. The effect of two main aspects on numerical predictions has been explored: i) the geometric design and ii) the constitutive law adopted to represent the material properties. Firstly, higher values of wall stress and displacement magnitude were generated in the physiologic model compared to the cylindrical one when assigning the same material properties. Secondly, greater deformations are observed in the anisotropic model compared to the isotropic one.",
keywords = "aneurysm, anisotropic, aorta, finite element, Fung, RCUK, EPSRC, EP/M014711/1",
author = "{de Gelidi}, Serena and Andrea Bucchi",
year = "2019",
month = "11",
day = "1",
doi = "10.1080/10255842.2019.1650036",
language = "English",
volume = "22",
pages = "1197--1208",
journal = "Computer Methods in Biomechanics and Biomedical Engineering",
issn = "1025-5842",
publisher = "Informa Healthcare",
number = "15",

}

RIS

TY - JOUR

T1 - Comparative finite element modelling of aneurysm formation and physiologic inflation in the descending aorta

AU - de Gelidi, Serena

AU - Bucchi, Andrea

PY - 2019/11/1

Y1 - 2019/11/1

N2 - Despite the general interest in aneurysm rupture prediction, the aneurysm formation has received limited attention. The goal of this study is to assess whether an aneurysm may be instigated in a healthy model of an aorta inflated by a supra-physiological pressure. The effect of two main aspects on numerical predictions has been explored: i) the geometric design and ii) the constitutive law adopted to represent the material properties. Firstly, higher values of wall stress and displacement magnitude were generated in the physiologic model compared to the cylindrical one when assigning the same material properties. Secondly, greater deformations are observed in the anisotropic model compared to the isotropic one.

AB - Despite the general interest in aneurysm rupture prediction, the aneurysm formation has received limited attention. The goal of this study is to assess whether an aneurysm may be instigated in a healthy model of an aorta inflated by a supra-physiological pressure. The effect of two main aspects on numerical predictions has been explored: i) the geometric design and ii) the constitutive law adopted to represent the material properties. Firstly, higher values of wall stress and displacement magnitude were generated in the physiologic model compared to the cylindrical one when assigning the same material properties. Secondly, greater deformations are observed in the anisotropic model compared to the isotropic one.

KW - aneurysm

KW - anisotropic

KW - aorta

KW - finite element

KW - Fung

KW - RCUK

KW - EPSRC

KW - EP/M014711/1

UR - http://www.scopus.com/inward/record.url?scp=85071320339&partnerID=8YFLogxK

U2 - 10.1080/10255842.2019.1650036

DO - 10.1080/10255842.2019.1650036

M3 - Article

C2 - 31432696

AN - SCOPUS:85071320339

VL - 22

SP - 1197

EP - 1208

JO - Computer Methods in Biomechanics and Biomedical Engineering

JF - Computer Methods in Biomechanics and Biomedical Engineering

SN - 1025-5842

IS - 15

ER -

ID: 15970640