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Title:An approach to consider the arterial residual stresses in modelling of a patient-specific artery
Authors:Urevc, Janez (Author)
Halilovič, Miroslav (Author)
Brumen, Milan (Author)
Štok, Boris (Author)
Files:.pdf Advances_in_Mechanical_Engineering_2016_Urevc_et_al._An_approach_to_consider_the_arterial_residual_stresses_in_modelling_of_a_patient-sp.pdf (3,97 MB)
MD5: 964EC99392686FCF0E7132BDD7E7D5AC
 
URL http://journals.sagepub.com/doi/abs/10.1177/1687814016679312
 
Language:English
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:In this work, the residual stress state of a human common carotid artery is predicted using the so-called thermomecha- nical analogy approach. The purpose of the approach is to enable consistent mapping of residual stresses and the respec- tive configuration from a circular arterial segment to a patient-specific arterial geometry. This is achieved by applying proper volumetric dilatations to the actual arterial stress-free in vivo geometry, which makes use of the analogy that states that the bending stresses can be obtained on an equivalent manner by applying proper thermal dilatations. The common carotid artery data are obtained in vivo from a healthy 28-year-old man using non-invasive methods. The pre- dicted residual stresses of the common carotid artery are in good quantitative agreement with the data from prior work in this field. The approach is validated by predicting the common carotid artery zero-stress state configuration, where a sector-like (cut-open) state is obtained. With this approach, it is thus possible to predict the residual stresses as well as the configuration of patient-specific arterial geometry without the need to model its cut-open zero-stress configuration.
Keywords:patient-specific artery, common carotid artery, residual stresses, arterial zero-stress state, thermomechanics, finite element method
Year of publishing:2016
Number of pages:str. 1-19
Numbering:št. 11, Letn. 8
ISSN:1687-8140
UDC:531:616.13(045)
ISSN on article:1687-8140
COBISS_ID:15115035 New window
DOI:10.1177/1687814016679312 New window
NUK URN:URN:SI:UM:DK:JXZKLJLI
Views:683
Downloads:285
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Record is a part of a journal

Title:Advances in Mechanical Engineering
Shortened title:Adv. Mech. Eng.
Publisher:Sage Publishing
ISSN:1687-8140
COBISS.SI-ID:13232662 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:12.07.2017

Secondary language

Language:Slovenian
Keywords:človeška arterija, skupna karotidna arterija, zaostale napetosti, breznapetostno stanje arterij, termomehanika, metoda končnih elementov, nega, bolniki


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