Pcr = π²EImin / (KL)² · Ixx = wh³/12 · Iyy = hw³/12
AIM Lab · Interactive Mechanics
A straight member under axial compression buckles about its weak axis at the Euler load. Note the amplitude is arbitrary.
Pcr = π²EImin / (KL)² · Ixx = wh³/12 · Iyy = hw³/12