Axial Stiffness

Written by Jerry Ratzlaff on . Posted in Classical Mechanics

axial stiffness 1Axial stiffness, abbreviated as k, is the ratio of the axlal load to axial deflection.  An axial load happens when a force is applied parallel to the axis of another object.

Axial Stiffness formula

\(\large{ k = \frac{A\;E}{l} }\)

\(\large{ k = \frac{F\;A\;E}{F\;l} }\)

\(\large{ k = \frac{F}{ \frac{F\;l}{A\;E} } }\)


\(\large{ k }\) = stiffness

\(\large{ F }\) = applied force

\(\large{ A }\)  (Greek symbol alpha) = cross-section area

\(\large{ E }\) = Young's modulus

\(\large{ l }\) = length of the object


Tags: Equations for Strain and Stress