Data from: On fibre dispersion modelling of soft biological tissues: a review

Publikation: Nonprint-FormenDatensätze / DatenbankForschung

Abstract

Collagen fibres within fibrous soft biological tissues such as artery walls, cartilage, myocardiums, corneas and heart valves are responsible for their anisotropic mechanical behaviour. It has recently been recognized that the dispersed orientation of these fibres has a significant effect on the mechanical response of the tissues.
Modelling of the dispersed structure is important for the prediction of the stress and deformation characteristics in (patho)physiological tissues under various loading conditions. This paper provides a timely and critical review of the continuum modelling of fibre dispersion, specifically the angular integration and the generalized structure tensor models. The models are used in representative numerical examples to fit sets of experimental data that have been obtained from mechanical tests and fibre structural information from second-harmonic imaging. In particular, patches of healthy and diseased aortic tissues are investigated, and it is shown that the predictions of the models fit very well with the data. It is straightforward to use the models described herein within a finite element framework, which will enable more realistic (and clinically relevant) boundary-value problems to be solved. This also provides a basis for further developments of material models and points to the need for additional mechanical and microstructural data that can inform further advances in the material modelling.
Originalspracheenglisch
ErscheinungsortGraz, Austria
Herausgeber (Verlag)Graz University of Technology, Institute of Biomechanics
PublikationsstatusEingereicht - 4 Feb 2019

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Tissue
Fibers
Cartilage
Collagen
Boundary value problems
Tensors
Imaging techniques

Schlagwörter

    ASJC Scopus subject areas

    • !!Biomedical Engineering

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    Holzapfel, G. A. (Autor), Ogden, R. W. (Autor), & Sherifova, S. M. (Autor). (2019). Data from: On fibre dispersion modelling of soft biological tissues: a review. Manuskript zur Veröffentlichung eingereicht. Datensätze / Datenbank, Graz, Austria: Graz University of Technology, Institute of Biomechanics.
    Data from: On fibre dispersion modelling of soft biological tissues: a review. Holzapfel, Gerhard A. (Autor); Ogden, Raymond W. (Autor); Sherifova, Selda Mitatova (Autor). 2019. Graz, Austria : Graz University of Technology, Institute of Biomechanics.

    Publikation: Nonprint-FormenDatensätze / DatenbankForschung

    Holzapfel, GA, Ogden, RW & Sherifova, SM, Data from: On fibre dispersion modelling of soft biological tissues: a review, 2019, Datensätze / Datenbank, Graz University of Technology, Institute of Biomechanics, Graz, Austria.
    Holzapfel GA (Autor), Ogden RW (Autor), Sherifova SM (Autor). Data from: On fibre dispersion modelling of soft biological tissues: a review Graz, Austria: Graz University of Technology, Institute of Biomechanics. 2019.
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    title = "Data from: On fibre dispersion modelling of soft biological tissues: a review",
    abstract = "Collagen fibres within fibrous soft biological tissues such as artery walls, cartilage, myocardiums, corneas and heart valves are responsible for their anisotropic mechanical behaviour. It has recently been recognized that the dispersed orientation of these fibres has a significant effect on the mechanical response of the tissues. Modelling of the dispersed structure is important for the prediction of the stress and deformation characteristics in (patho)physiological tissues under various loading conditions. This paper provides a timely and critical review of the continuum modelling of fibre dispersion, specifically the angular integration and the generalized structure tensor models. The models are used in representative numerical examples to fit sets of experimental data that have been obtained from mechanical tests and fibre structural information from second-harmonic imaging. In particular, patches of healthy and diseased aortic tissues are investigated, and it is shown that the predictions of the models fit very well with the data. It is straightforward to use the models described herein within a finite element framework, which will enable more realistic (and clinically relevant) boundary-value problems to be solved. This also provides a basis for further developments of material models and points to the need for additional mechanical and microstructural data that can inform further advances in the material modelling.",
    keywords = "soft biological tissue, soft tissue elasticity, fibre dispersion, constitutive modelling, anisotropy",
    author = "Holzapfel, {Gerhard A.} and Ogden, {Raymond W.} and Sherifova, {Selda Mitatova}",
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    AU - Holzapfel, Gerhard A.

    AU - Ogden, Raymond W.

    AU - Sherifova, Selda Mitatova

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    Y1 - 2019/2/4

    N2 - Collagen fibres within fibrous soft biological tissues such as artery walls, cartilage, myocardiums, corneas and heart valves are responsible for their anisotropic mechanical behaviour. It has recently been recognized that the dispersed orientation of these fibres has a significant effect on the mechanical response of the tissues. Modelling of the dispersed structure is important for the prediction of the stress and deformation characteristics in (patho)physiological tissues under various loading conditions. This paper provides a timely and critical review of the continuum modelling of fibre dispersion, specifically the angular integration and the generalized structure tensor models. The models are used in representative numerical examples to fit sets of experimental data that have been obtained from mechanical tests and fibre structural information from second-harmonic imaging. In particular, patches of healthy and diseased aortic tissues are investigated, and it is shown that the predictions of the models fit very well with the data. It is straightforward to use the models described herein within a finite element framework, which will enable more realistic (and clinically relevant) boundary-value problems to be solved. This also provides a basis for further developments of material models and points to the need for additional mechanical and microstructural data that can inform further advances in the material modelling.

    AB - Collagen fibres within fibrous soft biological tissues such as artery walls, cartilage, myocardiums, corneas and heart valves are responsible for their anisotropic mechanical behaviour. It has recently been recognized that the dispersed orientation of these fibres has a significant effect on the mechanical response of the tissues. Modelling of the dispersed structure is important for the prediction of the stress and deformation characteristics in (patho)physiological tissues under various loading conditions. This paper provides a timely and critical review of the continuum modelling of fibre dispersion, specifically the angular integration and the generalized structure tensor models. The models are used in representative numerical examples to fit sets of experimental data that have been obtained from mechanical tests and fibre structural information from second-harmonic imaging. In particular, patches of healthy and diseased aortic tissues are investigated, and it is shown that the predictions of the models fit very well with the data. It is straightforward to use the models described herein within a finite element framework, which will enable more realistic (and clinically relevant) boundary-value problems to be solved. This also provides a basis for further developments of material models and points to the need for additional mechanical and microstructural data that can inform further advances in the material modelling.

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    KW - soft tissue elasticity

    KW - fibre dispersion

    KW - constitutive modelling

    KW - anisotropy

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    PB - Graz University of Technology, Institute of Biomechanics

    CY - Graz, Austria

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