The Folding of Triangulated Cylinders, Part II: The Folding Process

[+] Author and Article Information
S. D. Guest, S. Pellegrino

Department of Engineering, University of Cambridge, Trumpintgon Street, Cambridge, CB2 1PZ, U.K.

J. Appl. Mech 61(4), 778-783 (Dec 01, 1994) (6 pages) doi:10.1115/1.2901554 History: Received August 13, 1992; Revised April 27, 1993; Online March 31, 2008


In the first paper of this series we have introduced a class of foldable triangulated cylinders. In this paper we consider three particular examples of these cylinders and analyse computationally the way they fold. We show that this process is nonuniform and that it consists of two phases. The first unsteady phase involves the gradual buildup of strain energy in a “shape transition region.” In the second phase the transition region moves toward the bottom of the cylinder under almost zero force. Although the behavior of the three example cylinders is qualitatively similar, the peak force on the cylinder, as well as the peak strain, have different magnitudes, in agreement with a result in our first paper.

Copyright © 1994 by The American Society of Mechanical Engineers
Topics: Cylinders , Force , Shapes
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