This app will compute and draw the catenary curve as a polyline in Autodesk® AutoCAD® by numerically solving the transcendental equation using a variation of the dampened Newton-Raphson root-finding algorithm. In the Catenary equation the parameter a represents the length of chain whose weight on Earth is equal in magnitude to the tension/compression at the Sag/Crest point) Catenaries and related curves are used in architecture and engineering, in the design of bridges and arches, so that forces do not result in bending moments. Mathematically, the catenary curve is the graph of the hyperbolic cosine function. The catenary curve has a U-like shape, superficially similar in appearance to a parabolic arch, but it is not a parabola. In physics and geometry, a catenary is the curve that an idealized hanging chain or cable assumes under its own weight when supported only at its ends.
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