Catenary

http://pheeds.com/info/guide/c/ca/catenary.html   1. In mathematics, a catenary curve is the curve made by a chain suspended between two points, supporting a constant weight per length. It is the graph of:   y = cosh x  This is not the same … Continue reading

The inverted catenary arch

 The inverted catenary arch In 1671, Hooke announced to the Royal Society that he had solved the problem of the optimal shape of an arch, and in 1675 published an encrypted solution as a Latin anagram[8] in an appendix to … Continue reading

Catenary

  http://en.wikipedia.org/wiki/Catenary Hooke discovered that the catenary is the ideal curve for an arch of uniform density and thickness which supports only its own weight. When the centerline of an arch is made to follow the curve of an up-side-down … Continue reading