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Пун извештај метаподатака
Поље DC-а ВредностЈезик
dc.rights.licenserestrictedAccess-
dc.contributor.authorVeljkovic D.-
dc.contributor.authorRanković, Vladimir-
dc.contributor.authorPantović J.-
dc.contributor.authorRosic, Mirko-
dc.contributor.authorKojić M.-
dc.date.accessioned2021-04-20T20:45:04Z-
dc.date.available2021-04-20T20:45:04Z-
dc.date.issued2014-
dc.identifier.issn1509-409X-
dc.identifier.urihttps://scidar.kg.ac.rs/handle/123456789/12403-
dc.description.abstract© 2014, Institute of Machine Design and Operation. All rights reserved. Most of hyperelastic models for the constitutive modeling of the typical mechanical behaviour of the arterial wall tissue in literature are based on the test data from different animals and arteries. This paper is concerned with the material parameter identification of several phenomenological hyperelastic models by fitting the data from five extension-inflation tests of the porcine aorta segment, carried out in our laboratory. A membrane approximation is used to compute stresses and strains achieved during experiments, with usual assumption of material incompressibility. Three orthotropic two-dimensional strain-energy functions, based on use of the Green–Lagrange strains, are fitted to the test data: the well-known Fung’s exponential model; the classical polynomial model with seven constants; and the logarithmic model; and also, two three-dimensional models are employed: polyconvex anisotropic exponential hyperelastic model and the convex isotropic exponential rubber-like hyperelastic constitutive law depending on the first invariant of the right Cauchy–Green deformation tensor. It has been found that isotropic model overestimates values of stresses in axial, and underestimates values of stresses in circumferential direction of artery segment, due to pronounced tissue anisotropy. Also, all two-dimensional models considered give good and similar prediction, while the polyconvex model demonstrates slightly lower performance in the axial direction of artery.-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.sourceActa of Bioengineering and Biomechanics-
dc.titleHyperelastic behavior of porcine aorta segment under extension-inflation tests fitted with various phenomenological models-
dc.typearticle-
dc.identifier.doi10.5277/abb140305-
dc.identifier.scopus2-s2.0-84929878499-
Налази се у колекцијама:Faculty of Economics, Kragujevac
Faculty of Medical Sciences, Kragujevac

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