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Numerical Simulation of Cross Country Skiing
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för teknik och hållbar utveckling.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för teknik och hållbar utveckling.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för teknik och hållbar utveckling.
2011 (engelsk)Inngår i: Computer Methods in Biomechanics and Biomedical Engineering, ISSN 1025-5842, E-ISSN 1476-8259, ISSN 1025-5842, Vol. 14, nr 8, s. 741-746Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A program for numerical simulation of a whole ski race, from start to finish, is developed in MATLAB. The track ismodelled by a set of cubical splines in two dimensions and can be used to simulate a track in a closed loop or with the startand finish at different locations. The forces considered in the simulations are gravitational force, normal force between snowand skis, drag force from the wind, frictional force between snow and ski and driving force from the skier. The differentialequations of motion are solved from start to finish with the Runge–Kutta method. Different wind situations during the racecan be modelled, as well as different glide conditions on different parts of the track. It is also possible to vary the availablepower during the race. The simulation program’s output is the total time of the race, together with the forces and speedduring different parts of the race and intermediate times at selected points. Some preliminary simulations are also presented.

sted, utgiver, år, opplag, sider
2011. Vol. 14, nr 8, s. 741-746
Emneord [en]
cross-country skiing, numerical simulation, forces, splines
HSV kategori
Identifikatorer
URN: urn:nbn:se:miun:diva-10037DOI: 10.1080/10255842.2010.493885PubMedID: 21607888OAI: oai:DiVA.org:miun-10037DiVA, id: diva2:272115
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SportsTech1SportsTech2Tilgjengelig fra: 2009-10-14 Laget: 2009-10-14 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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Carlsson, PeterTinnsten, MatsAinegren, Mats

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