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  • Inflation tests and uni–axial extension tests of arterial tissue were performed. Experimental data were used in nonlinear regression analysis to identify material model. Arterial tissue was assumed to be incompressible hyperelastic material. 5–parameter strain energy density function based on combination of isotropic Neo–Hookean expression and Fung–type orthotropic expression was used. Computational model for material parameters identification was based on thick–wall tube with axial pre–strains. Residual strains were included. Internal structure of arterial wall was not considered. Fitted material models correspond to experimental data very well.
  • Inflation tests and uni–axial extension tests of arterial tissue were performed. Experimental data were used in nonlinear regression analysis to identify material model. Arterial tissue was assumed to be incompressible hyperelastic material. 5–parameter strain energy density function based on combination of isotropic Neo–Hookean expression and Fung–type orthotropic expression was used. Computational model for material parameters identification was based on thick–wall tube with axial pre–strains. Residual strains were included. Internal structure of arterial wall was not considered. Fitted material models correspond to experimental data very well. (en)
  • Inflační a jednoosé tahové zkoušky byly provedeny se vzorky lidské aorty post mortem za účelem identifikce parametrů materiálového modelu. Stěna tepny byla modelována jako hyperelastický, nestlačitelný , ortotropní materiál. Jako materiálový model byly použity kombinová funkce hustoty deformační energie a Fungův typ funkce hustoty deformační energie. Nelineární regrese experimentálních dat byla provedena. Bylo zjištěno, že kombinovaná funkce hustoty deformační energie odpovídá experimentálním datům velmi dobře. (cs)
Title
  • Identification of material parameters of arterial walls.
  • Identification of material parameters of arterial walls. (en)
  • Identifikace materiálových parametrů cévní stěny (cs)
skos:prefLabel
  • Identification of material parameters of arterial walls.
  • Identification of material parameters of arterial walls. (en)
  • Identifikace materiálových parametrů cévní stěny (cs)
skos:notation
  • RIV/68407700:21220/06:02123256!RIV07-MSM-21220___
http://linked.open...avai/riv/aktivita
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  • Z(MSM6840770012)
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  • 478726
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  • RIV/68407700:21220/06:02123256
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  • Fung-type model; Neo-Hookean model; aorta; hyperelasticity; inflation test (en)
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  • [0D00B5CDB236]
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  • Chlup, Hynek
  • Horný, L.
  • Žitný, Rudolf
  • Konvičková, Svatava
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  • 83-87982-96-2
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  • 21220
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