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Simulation of non-linear elastic orthotropic properties of artery using isotropic finite elements

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F02%3APU34510" target="_blank" >RIV/00216305:26210/02:PU34510 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    čeština

  • Original language name

    Simulace nelineárně elastických ortotropních vlastností tepny pomocí izotropních konečných prvků

  • Original language description

    This report analyses the possibility of the computional modeling of nonlinear elastic orthotropic materials in FEM system ANSYS, which does not have any finite elements dealing with a nonlinear elastic orthotropic material model. The computional analysisof those materials is demonstrated on a segment of an artery. Stiffeners in the axial direction create a composite structure which models orthotropic nonlinear material properties. The axial stiffening is modeled by finite elements, by a modification off the wall structure and by the modification of material properties of the stiffeners. This composite model of the arterial provides an idea about the influence of orthotropic properties on its deformation and stress state. The results show a disagreement with a model using the homogeneous isotropic nonlinear elastic material behaviour. The explanation may be found in an invalidity of the superposition principle under large displacements of the nonlinear elastic material.

  • Czech name

    Simulace nelineárně elastických ortotropních vlastností tepny pomocí izotropních konečných prvků

  • 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

    2002

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    Inženýrská mechanika 2002 Engineering Mechanics 2002

  • ISBN

    80-214-2109-6

  • ISSN

  • e-ISSN

  • Number of pages

    2

  • Pages from-to

    297-298

  • Publisher name

    Institute of Mechanics of Solids Faculty of Mechanical Engineering Brno University of Technology

  • Place of publication

    Svratka, ČR

  • Event location

    Svratka

  • Event date

    May 13, 2002

  • Type of event by nationality

    CST - Celostátní akce

  • UT code for WoS article