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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/20419

Title: Evaluation of a kinematically driven finite element footstrike model
Authors: Hannah, Iain
Harland, Andy R.
Price, Dan
Schlarb, Heiko
Lucas, Tim
Keywords: Finite element analysis
Athletic footwear
Ground reaction
Issue Date: 2015
Publisher: © Human Kinetics Publishing as accepted for publication
Citation: HANNAH, I. ...et al., 2015. Evaluation of a kinematically driven finite element footstrike model. Journal of Applied Biomechanics, 32 (3), pp. 301-305.
Abstract: A dynamic finite element model of a shod running footstrike was developed and driven with six degree of freedom foot segment kinematics determined from a motion capture running trial. Quadratic tetrahedral elements were used to mesh the footwear components with material models determined from appropriate mechanical tests. Model outputs were compared to experimental high speed video (HSV) footage, vertical ground reaction force (GRF) and centre of pressure (COP) excursion to determine whether such an approach is appropriate for the development of athletic footwear. Although unquantified, good visual agreement to the HSV footage was observed but significant discrepancies were found between the model and experimental GRF and COP readings (9% and 61% of model readings outside of the mean experimental reading ± 2 standard deviations respectively). Model output was also found to be highly sensitive to input kinematics with a 120% increase in maximum GRF observed when translating the force platform 2 mm vertically. Whilst representing an alternative approach to existing dynamic finite elements footstrike models, loading highly representative of an experimental trial was not found to be achievable when employing exclusively kinematic boundary conditions. This significantly limits the usefulness of employing such an approach in the footwear development process.
Description: This paper was accepted for publication in the journal Journal of Applied Biomechanics and the definitive published version is available at: http://dx.doi.org/10.1123/jab.2015-0002
Sponsor: Adidas AG supported this study with funding and were involved in the collection of biomechanical data
Version: Accepted for publication
DOI: 10.1123/jab.2015-0002
URI: https://dspace.lboro.ac.uk/2134/20419
Publisher Link: http://dx.doi.org/10.1123/jab.2015-0002
ISSN: 1065-8483
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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