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Browsing by Subject "human Achilles tendon"

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    Item type:Article, Access status: Open Access ,
    The use of digital image correlation in the study of Achilles tendon strain field
    (2015) Holak, Krzysztof; Kohut, Piotr; Młyniec, Andrzej; Tomaszewski, Krzysztof; Uhl, Tadeusz; Ekiert, Martyna
    This paper presents an application of a vision-based measurement method in the experimental mechanics of biological materials. The displacement and strain fields of a human Achilles tendon specimen under a tensile test were computed using the digital image correlation method. Different software applications, both commercial and open source, were compared. The performance of algorithms was tested based on a referential measurement carried out by commercial software with the affine model of deformation implemented. The root mean square error of the difference between strain obtained using the reference measurement and each of the analyzed programs was computed. Additionally, an example of a full-field computation of displacement and strain field was presented.