RESEARCH PAPERS: Additional Research Papers

A Force-Indentation Relationship for Gymnastic Mats

[+] Author and Article Information
F. Gatto

Department of Civil Engineering, University of Queensland, Queensland, Australia

P. Swannell

School of Engineering, University College of Southern Queensland, Queensland, Australia

R. Neal

Department of Human Movement Studies, University of Queensland, Queensland, Australia

J Biomech Eng 114(3), 338-345 (Aug 01, 1992) (8 pages) doi:10.1115/1.2891393 History: Received March 05, 1991; Revised October 27, 1991; Online March 17, 2008


The mechanical properties of a series of gymnastic surfaces are investigated. A Force–Indentation relationship is obtained for each surface. This law can be used to simulate the ground reaction force during under-foot impact with a gymnastic surface. The law is independent of many of the properties of the striking body and when incorporated into a system of differential equations describing the motion of the impacting body, can be used to compute system responses and to investigate the importance of different properties of the various surfaces. Several examples, using both a single, rigid mass and a four link, articulated system are presented, and demonstrate that the relationship can be satisfactorily incorporated into a solution algorithm for a large–displacement dynamical analysis.

Copyright © 1992 by The American Society of Mechanical Engineers
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