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Mechanical Optimization of Geometry of the System ?Artery-Vascular Graft?

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F01%3APU24492" target="_blank" >RIV/00216305:26210/01:PU24492 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Mechanical Optimization of Geometry of the System ?Artery-Vascular Graft?

  • Original language description

    A computational model of stress and strain states in an ?overlapped? anastomosis between artery and vascular graft is presented in the paper. This model is loaded by the systolic blood pressure, axial prestretch and accounts residual stresses in the artery as well. Material of both the artery and the graft is modelled as non-linear elastic, homogeneous, isotropic, with large strains. The model geometry corresponds to aorta and some geometric parameters of the anastomosis (length, ratio of diameters) aree varied with the aim to find the geometry which is optimal from the point of view of stresses and strains induced in the anastomosis. The optimization criterion is that the stress distribution in the artery in the anastomosis is similar to that in an artery unaffected by the anastomosis. The results show that the influence of axial prestretch and residual stress on the stress concentration in the anastomosis is substantial and it has to be accounted in the computational model.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BO - Biophysics

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2001

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Mechatronics and Robotics

  • ISBN

    80-7204-207-6

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    45-50

  • Publisher name

    IM BUT Brno, MC IT CAS, CC IFToMM

  • Place of publication

    Třešť

  • Event location

    Trest

  • Event date

    Sep 10, 2001

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article