Analysis of Cables Suspended in Sheaves

A new method for the analysis of cables that may roll on sheaves is presented. Implicit in this method is the use of a new pulley element which can model a finite length of cable supported somewhere along its length by a pulley. The pulley element simplifies computations by automatically adjusting t...

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Bibliographic Details
Published in:Journal of structural engineering (New York, N.Y.) N.Y.), 1988-03, Vol.114 (3), p.693-706
Main Authors: McDonald, Brian M, Peyrot, Alain H
Format: Article
Language:English
Subjects:
Applied sciences
Building structure
Buildings. Public works
Construction (buildings and works)
Exact sciences and technology
finite element method
structural analysis
Suspended structure
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Summary:A new method for the analysis of cables that may roll on sheaves is presented. Implicit in this method is the use of a new pulley element which can model a finite length of cable supported somewhere along its length by a pulley. The pulley element simplifies computations by automatically adjusting the proportion of cable on each side of a sheave in order to maintain equilibrium. This is useful for converging to a static solution as well as tracking cable translations during a dynamic simulation. This paper describes the algorithms used by the pulley element and presents examples that utilize the element in static applications.
ISSN:0733-9445
1943-541X
DOI:10.1061/(ASCE)0733-9445(1988)114:3(693)