Pressurization of axially prestretched tube: consequences for arterial mechanics

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F20%3A00337470" target="_blank" >RIV/68407700:21220/20:00337470 - isvavai.cz</a>
Result on the web
<a href="https://link.springer.com/chapter/10.1007%2F978-3-030-31635-8_68" target="_blank" >https://link.springer.com/chapter/10.1007%2F978-3-030-31635-8_68</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/978-3-030-31635-8_68" target="_blank" >10.1007/978-3-030-31635-8_68</a>

Result language
angličtina
Original language name
Pressurization of axially prestretched tube: consequences for arterial mechanics
Original language description
It is well known that in their in situ position, arteries are axially prestretched. They retract upon excision as a consequence. Studies of the prestretch have shown that it depends on location in arterial tree. Axial prestretch increases with increasing distance from the heart. It has also been shown that the prestretch changes with age. Aging damages internal architecture of arteries and consequently longitudinal pretension is gradually loosen. Results obtained in laboratory experiments document that there is specific value of the prestretch under which axial deformation of the pressurized artery is negligible. Under such conditions, mechanical work performed by the pressure on axial displacements is negligible which is advantageous from biomechanical point of view. In the present study, by adopting the Gent model of the strain energy density function to characterize mechanical properties of the artery and assuming that this artery satisfies assumptions of the membrane theory, it will be shown that the value of prestretch, which minimizes axial displacement, also maximizes internal volume attained in the pressurization of the tube.
Czech name
—
Czech description
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Project
<a href="/en/project/GA18-26041S" target="_blank" >GA18-26041S: Effect of axial prestretch on mechanical response of nonlinearly elastic and viscoelastic tubes</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
XV Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019
ISBN
978-3-030-31635-8
ISSN
—
e-ISSN
1680-0737
Number of pages
8
Pages from-to
569-576
Publisher name
Springer International Publishing AG
Place of publication
Cham
Event location
Coimbra
Event date
Sep 26, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000582693600068

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