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Title:
Parametrična študija radialne togosti žilne opornice : magistrsko delo
Authors:
ID
Maček, Karlo
(Author)
ID
Kramberger, Janez
(Mentor)
More about this mentor...
ID
Donik, Žiga
(Comentor)
Files:
MAG_Macek_Karlo_2024.pdf
(3,30 MB)
MD5: 8B5DD4235CCCE5C4255BAC56D3418FCB
Language:
Slovenian
Work type:
Master's thesis/paper
Typology:
2.09 - Master's Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Žilne opornice so ključne pri zdravljenju srca in ožilja, saj krepijo obolele žile, obnovijo pretok krvi in nudijo oporo žili. Radialna togost se izkaže kot ključni parameter pri žilnih opornicah, saj neposredno vpliva na njihovo delovanje. Magistrsko delo raziskuje povezavo med radialno togostjo in geometrijskimi parametri posameznega podpornega obroča žilne opornice. Parametrično modeliranje z odprtokodnim programom Gmsh je uporabljeno za ustvarjanje različnih konfiguracij podpornih obročev v dveh različnih geometrijskih variantah. Numerične simulacije po metodi končnih elementov v programu LS-DYNA so bile izvedene za preučevanje stiskanja konfiguracij v radialni smeri. Analiza se osredotoča na spremljanje trendov reakcijskih sil pri spreminjanju geometrijskih parametrov podpornega obroča. Rezultati kažejo znatne razlike v radialni togosti med geometrijskimi variantami. Opazni so tudi trendi naraščanja reakcijskih sil pri spreminjanju vrednosti geometrijskih parametrov.
Keywords:
žilna opornica
,
radialna togost
,
parametrično modeliranje
,
Gmsh
,
numerična simulacija
,
metoda končnih elementov
,
LS-DYNA
Place of publishing:
Maribor
Place of performance:
Maribor
Publisher:
[K. Maček]
Year of publishing:
2024
Number of pages:
1 spletni vir (1 datoteka PDF (XII, 61 f.))
PID:
20.500.12556/DKUM-88053
UDC:
519.876.5:681.5.015(043.2)
COBISS.SI-ID:
195449091
Publication date in DKUM:
25.04.2024
Views:
299
Downloads:
70
Metadata:
Categories:
KTFMB - FS
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:
MAČEK, Karlo, 2024,
Parametrična študija radialne togosti žilne opornice : magistrsko delo
[online]. Master’s thesis. Maribor : K. Maček. [Accessed 25 March 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=88053
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Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:
09.04.2024
Secondary language
Language:
English
Title:
A parametric study of the radial stiffness of a vascular stent
Abstract:
Vascular stents are crucial in the treatment of the heart and blood vessels, as they strengthen diseased blood vessels, restore blood flow and provide support to the vessel. Radial stiffness turns out to be a key parameter for vascular stents, as it directly affects their performance. The master's thesis investigates the relationship between the radial stiffness and the geometric parameters of the individual support ring of the vascular stent. Parametric modeling with the open-source program Gmsh was used to create different configurations of support rings in two different geometric variants. Numerical simulations using the finite element method in the program LS-DYNA were performed to study the compression of the configurations in the radial direction. The analysis focuses on monitoring trends in reaction forces with changing geometric parameters of the support ring. The results show significant differences in radial stiffness between geometric variants. Trends of increasing reaction forces with changing values of the geometric parameters are also noticeable.
Keywords:
vascular stent
,
radial stiffness
,
parametric modeling
,
Gmsh
,
numerical simulation
,
finite element method
,
LS-DYNA
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