Simulation study to elucidate the mechanism of ollie jump in skateboarding

In skateboarding as a sports event, the riders compete in difficulty and completeness of acrobatic motions called “tricks”. As a basic trick, Ollie is performed popularly. However, the basic mechanical principle of the Ollie has not been discussed to date, especially for the Ollie jump (the jumping...

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Autores principales:	Motomu NAKASHIMA, Yohei CHIDA
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2021
Materias:	skateboard ollie sports engineering multibody dynamics modeling simulation Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/5d6d360a1c474abeb85e48382d5a1f95
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id	oai:doaj.org-article:5d6d360a1c474abeb85e48382d5a1f95
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spelling	oai:doaj.org-article:5d6d360a1c474abeb85e48382d5a1f952021-11-09T00:01:16ZSimulation study to elucidate the mechanism of ollie jump in skateboarding2187-974510.1299/mej.21-00230https://doaj.org/article/5d6d360a1c474abeb85e48382d5a1f952021-09-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/8/5/8_21-00230/_pdf/-char/enhttps://doaj.org/toc/2187-9745In skateboarding as a sports event, the riders compete in difficulty and completeness of acrobatic motions called “tricks”. As a basic trick, Ollie is performed popularly. However, the basic mechanical principle of the Ollie has not been discussed to date, especially for the Ollie jump (the jumping phase of Ollie). The objective of this study was to elucidate the mechanism of Ollie jump in skateboarding. A simulation model was firstly constructed on a multibody dynamics analysis platform. Next, an experiment using an actual rider was conducted to acquire the motion of the feet during the Ollie jump. By inputting the acquired motion of the feet into the model, a simulation of Ollie jump was carried out. In addition, a parameter study with respect to the geometry of the skateboard and the motion of the rider’s feet was conducted. It was found that the simulated Ollie jump was successful since the skateboard reached a sufficient height and became sufficiently horizontal at the peak height. It was also found that the Ollie jump can be divided into five stages from the mechanical point of view. From the parameter study, it was found that large kick angle of the deck or large distance between two trucks of the deck might cause difficulty in the contact of the tail and the ground, while small kick angle or small distance between two trucks might result in excessive rotating angle of the deck. In addition, three important points for a successful Ollie jump were found to be, to produce sufficiently fast rotational movement of the skateboard around the rear wheels, to separate both feet from the deck before the tail of the deck hits the ground, and to separate the rear foot from the deck at the final stage.Motomu NAKASHIMAYohei CHIDAThe Japan Society of Mechanical Engineersarticleskateboardolliesports engineeringmultibody dynamicsmodelingsimulationMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 8, Iss 5, Pp 21-00230-21-00230 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	skateboard ollie sports engineering multibody dynamics modeling simulation Mechanical engineering and machinery TJ1-1570
spellingShingle	skateboard ollie sports engineering multibody dynamics modeling simulation Mechanical engineering and machinery TJ1-1570 Motomu NAKASHIMA Yohei CHIDA Simulation study to elucidate the mechanism of ollie jump in skateboarding
description	In skateboarding as a sports event, the riders compete in difficulty and completeness of acrobatic motions called “tricks”. As a basic trick, Ollie is performed popularly. However, the basic mechanical principle of the Ollie has not been discussed to date, especially for the Ollie jump (the jumping phase of Ollie). The objective of this study was to elucidate the mechanism of Ollie jump in skateboarding. A simulation model was firstly constructed on a multibody dynamics analysis platform. Next, an experiment using an actual rider was conducted to acquire the motion of the feet during the Ollie jump. By inputting the acquired motion of the feet into the model, a simulation of Ollie jump was carried out. In addition, a parameter study with respect to the geometry of the skateboard and the motion of the rider’s feet was conducted. It was found that the simulated Ollie jump was successful since the skateboard reached a sufficient height and became sufficiently horizontal at the peak height. It was also found that the Ollie jump can be divided into five stages from the mechanical point of view. From the parameter study, it was found that large kick angle of the deck or large distance between two trucks of the deck might cause difficulty in the contact of the tail and the ground, while small kick angle or small distance between two trucks might result in excessive rotating angle of the deck. In addition, three important points for a successful Ollie jump were found to be, to produce sufficiently fast rotational movement of the skateboard around the rear wheels, to separate both feet from the deck before the tail of the deck hits the ground, and to separate the rear foot from the deck at the final stage.
format	article
author	Motomu NAKASHIMA Yohei CHIDA
author_facet	Motomu NAKASHIMA Yohei CHIDA
author_sort	Motomu NAKASHIMA
title	Simulation study to elucidate the mechanism of ollie jump in skateboarding
title_short	Simulation study to elucidate the mechanism of ollie jump in skateboarding
title_full	Simulation study to elucidate the mechanism of ollie jump in skateboarding
title_fullStr	Simulation study to elucidate the mechanism of ollie jump in skateboarding
title_full_unstemmed	Simulation study to elucidate the mechanism of ollie jump in skateboarding
title_sort	simulation study to elucidate the mechanism of ollie jump in skateboarding
publisher	The Japan Society of Mechanical Engineers
publishDate	2021
url	https://doaj.org/article/5d6d360a1c474abeb85e48382d5a1f95
work_keys_str_mv	AT motomunakashima simulationstudytoelucidatethemechanismofolliejumpinskateboarding AT yoheichida simulationstudytoelucidatethemechanismofolliejumpinskateboarding
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Simulation study to elucidate the mechanism of ollie jump in skateboarding

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