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Volume 22
Issue 8
10.3390/s22082916
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Article

Investigation into the Trampoline Dynamic Characteristics and Analysis of Double Bounce Vibrations

by
David Eager
1,
Shilei Zhou
1,*,
Karlos Ishac
1,
Imam Hossain
1,
Adam Richards
2 and
Lisa N. Sharwood
1,3,4
1
Faculty of Engineering and Information Technology, University of Technology Sydney, Sydney 2007, Australia
2
Mr Trampoline, 966 Dandenong Road, Melbourne 3163, Australia
3
Faculty of Medicine and Health, University of Sydney, Sydney 2006, Australia
4
Faculty of Medicine and Health, University of New South Wales, Sydney 2032, Australia
*
Author to whom correspondence should be addressed.
Sensors 2022, 22(8), 2916; https://doi.org/10.3390/s22082916
Submission received: 14 February 2022 / Revised: 6 April 2022 / Accepted: 8 April 2022 / Published: 11 April 2022
(This article belongs to the Section Physical Sensors)
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Abstract

Double bounce is an unusual and potentially very hazardous phenomenon that most trampoline users may have experienced, yet few would have really understood how and why it occurs. This paper provides an in-depth investigation into the double bounce. Firstly, the static and dynamic characteristics of a recreational trampoline are analysed theoretically and verified through experiments. Then, based on the developed trampoline dynamic model, double bounce simulation is conducted with two medicine balls released with different time delays. Through simulation, the process of double bounce is presented in detail, which comprehensively reveals how energy is transferred between users during double bounce. Furthermore, the effect of release time delay on double bounce is also presented. Finally, we conducted an experiment which produced similar results to the simulation and validated the reliability of the trampoline dynamic model and double bounce theoretical analysis.
Keywords: trampoline safety; double bounce; kinetic and potential energy transfer; injury prevention; risk management; adventure sport; adolescent play; children’s play trampoline safety; double bounce; kinetic and potential energy transfer; injury prevention; risk management; adventure sport; adolescent play; children’s play

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MDPI and ACS Style

Eager, D.; Zhou, S.; Ishac, K.; Hossain, I.; Richards, A.; Sharwood, L.N. Investigation into the Trampoline Dynamic Characteristics and Analysis of Double Bounce Vibrations. Sensors 2022, 22, 2916. https://doi.org/10.3390/s22082916

AMA Style

Eager D, Zhou S, Ishac K, Hossain I, Richards A, Sharwood LN. Investigation into the Trampoline Dynamic Characteristics and Analysis of Double Bounce Vibrations. Sensors. 2022; 22(8):2916. https://doi.org/10.3390/s22082916

Chicago/Turabian Style

Eager, David, Shilei Zhou, Karlos Ishac, Imam Hossain, Adam Richards, and Lisa N. Sharwood. 2022. "Investigation into the Trampoline Dynamic Characteristics and Analysis of Double Bounce Vibrations" Sensors 22, no. 8: 2916. https://doi.org/10.3390/s22082916

APA Style

Eager, D., Zhou, S., Ishac, K., Hossain, I., Richards, A., & Sharwood, L. N. (2022). Investigation into the Trampoline Dynamic Characteristics and Analysis of Double Bounce Vibrations. Sensors, 22(8), 2916. https://doi.org/10.3390/s22082916

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