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Catenary Graphs and their Uses

Published online by Cambridge University Press:  03 November 2016

N.W. Honey*
Affiliation:
Royal Corps of Naval Constructors

Extract

The curve formed by any flexible uniform chain supported at both ends, in equilibrium under the action of gravity, is the catenary

y = a cosh x/a,

where a is the distance of the lowest point of the catenary above the horizontal x-axis. If the curve is required to pass through the origin, its equation becomes

y = a (cosh x/a - 1)

and it is known that a = H/w, where H is the horizontal force applied at the ends of the catenary, and w is the weight per unit length of the chain.

Type
Research Article
Copyright
Copyright © The Mathematical Association 1953

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