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https://open.uns.ac.rs/handle/123456789/12586
Title: | Modelling of the hamstring muscle group by use of fractional derivatives | Authors: | Grahovac, Nenad Žigić M. |
Issue Date: | 1-Mar-2010 | Journal: | Computers and Mathematics with Applications | Abstract: | This paper deals with a viscoelastic model of the hamstring muscle group. The model includes fractional derivatives of stretching force and elongation, as well as restrictions on the coefficients that follow from the Clausius-Duhem inequality. On the basis of a ramp-and-hold type of experiment, four rheological parameters have been calculated by numerical treatment ab initio. Riemann-Liouville fractional derivatives were approximated numerically using the Grünwald-Letnikov definition. Obtained results were verified by use of the Laplace transform method. The stretching force in time domain involves Mittag-Leffler-type function. © 2009 Elsevier Ltd. All rights reserved. | URI: | https://open.uns.ac.rs/handle/123456789/12586 | ISSN: | 8981221 | DOI: | 10.1016/j.camwa.2009.08.011 |
Appears in Collections: | FTN Publikacije/Publications |
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