Shape Factor

Written by Jerry Ratzlaff on . Posted in Dimensionless Numbers

Shape factor, is a dimensionless number that is abbreviated as \(k\).  In structural it is the strength of the shape no matter the scale for a given load, bending, torsion, or twisting.

Shape Factor Formula

\(\large{ k = \frac{Z}{S} }\)         


\(\large{ k }\) = shape factor

\(\large{ S }\)  = elastic section modulus

\(\large{ Z }\) = plastic section modulus


Tags: Equations for Modulus