inelastic buckling

inelastic buckling

[‚in·ə′las·tik ′bək·liŋ]
(mechanics)
Sudden increase of deflection or twist in a column when compressive stress reaches the elastic limit but before elastic buckling develops.
References in periodicals archive ?
Inelastic buckling of steel struts under cyclic load reversals.
20c shows the inelastic buckling mode of the inner core, which was expected as a normal response of this system because of the presence of an inner clearance of 1 mm per each side of the yielding core.