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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F14%3APU111845%21RIV15-GA0-26210___
rdf:type
n9:Vysledek skos:Concept
rdfs:seeAlso
http://www.actabio.pwr.wroc.pl/Vol16No3/6.pdf
dcterms:description
Several constitutive models have been proposed for description of mechanical behaviour of soft tissues containing collagen fibres. The model with aligned fibres is modified in this paper to take the dispersion of fibre orientations into account through angular integration and it is compared with the model that is defined through generalized structure tensor. The paper is focused on the effect of fibre dispersion on the resulting stress-strain behaviour predicted by both models analyzed. Analytical calculations are used for the comparison of the mechanical behaviour under a specific biaxial tension mode. The two models have been implemented into commercial finite element code ANSYS via user subroutines and used for numerical simulation resulting in a non-homogeneous stress field. The effects of the fibre dispersion predicted by both models compared differ significantly, e.g., the resulting stress difference between both models is lower than 10% only in the case of extremely small dispersion of collagen Several constitutive models have been proposed for description of mechanical behaviour of soft tissues containing collagen fibres. The model with aligned fibres is modified in this paper to take the dispersion of fibre orientations into account through angular integration and it is compared with the model that is defined through generalized structure tensor. The paper is focused on the effect of fibre dispersion on the resulting stress-strain behaviour predicted by both models analyzed. Analytical calculations are used for the comparison of the mechanical behaviour under a specific biaxial tension mode. The two models have been implemented into commercial finite element code ANSYS via user subroutines and used for numerical simulation resulting in a non-homogeneous stress field. The effects of the fibre dispersion predicted by both models compared differ significantly, e.g., the resulting stress difference between both models is lower than 10% only in the case of extremely small dispersion of collagen
dcterms:title
Comparison of constitutive models of arterial layers with distributed collagen fibre orientations Comparison of constitutive models of arterial layers with distributed collagen fibre orientations
skos:prefLabel
Comparison of constitutive models of arterial layers with distributed collagen fibre orientations Comparison of constitutive models of arterial layers with distributed collagen fibre orientations
skos:notation
RIV/00216305:26210/14:PU111845!RIV15-GA0-26210___
n5:aktivita
n17:P
n5:aktivity
P(GA13-16304S)
n5:cisloPeriodika
03
n5:dodaniDat
n15:2015
n5:domaciTvurceVysledku
n11:6353231 n11:5506476
n5:druhVysledku
n13:J
n5:duvernostUdaju
n20:S
n5:entitaPredkladatele
n8:predkladatel
n5:idSjednocenehoVysledku
8035
n5:idVysledku
RIV/00216305:26210/14:PU111845
n5:jazykVysledku
n10:eng
n5:klicovaSlova
arterial wall mechanics, collagen fibre orientation, constitutive modelling, fibre distribution, hyperfit software
n5:klicoveSlovo
n6:fibre%20distribution n6:arterial%20wall%20mechanics n6:constitutive%20modelling n6:hyperfit%20software n6:collagen%20fibre%20orientation
n5:kodStatuVydavatele
PL - Polská republika
n5:kontrolniKodProRIV
[5BFD0B2C2332]
n5:nazevZdroje
Acta of Bioengineering and Biomechanics
n5:obor
n12:BO
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
2
n5:projekt
n14:GA13-16304S
n5:rokUplatneniVysledku
n15:2014
n5:svazekPeriodika
2014
n5:tvurceVysledku
Skácel, Pavel Burša, Jiří
n5:wos
000345162000006
s:issn
1509-409X
s:numberOfPages
12
n19:doi
10.5277/abb140306
n18:organizacniJednotka
26210