Structural Dynamical Modeling of Step Ladders

[+] Author and Article Information
Martin A. Eisenberg

Department of Aerospace Engineering, Mechanics, and Engineering Science, 231 Aerospace Building, University of Florida, Gainesville FL 32611-6250 USA

Appl. Mech. Rev 48(11S), S102-S106 (Nov 01, 1995) doi:10.1115/1.3005056 History: Online April 29, 2009


Dynamic loads on step ladders are the result of interaction between climber and ladder. The complex dynamical behavior of the climber must be experimentally determined. An analysis of the dynamical response is presented to allow the extrapolation of experimental results to ladders of grossly different structural dynamical parameters from those on which the data are obtained. It is demonstrated that the climber characteristics dominate the dynamical response. Reliable quantitative measures of data applicability are obtained, not withstanding significant uncertainties regarding the details of the mechanics of motion.

Copyright © 1995 by The American Society of Mechanical Engineers
Topics: Modeling , Motion , Stress
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