362S162-33 stud, L = 48 in, uniform compression, pinned warping-free ends — elastic buckling modes

TriShellFiniteElement.jl v0.3.0 + Ferrite.jl · 5289 nodes, 10248 tri shells, 31734 dofs · E = 200000.0 MPa, ν = 0.3, t = 0.879 mm, Cs = 0.2 · axial datum: all_midspan

Mode Deformation 0.25 × section size (fixed in the exported page)
Mode 1: P_cr = 16.035 kN (3.605 kips), f_cr = P_cr/A = 94.0 MPa (13.63 ksi), ≈15 web half-waves

Drag to orbit, scroll to zoom, right-drag to pan. Color = |mode displacement| normalized to 1.

modeP_cr [kN]P_cr [kips]f_cr [MPa]f_cr [ksi]web half-waves
116.0353.60594.013.6315
216.0433.60794.113.6412
316.3573.67795.913.9118
416.4093.68996.213.9515
516.5593.72397.114.0819
616.7563.76798.214.2514
716.9033.899.114.3714
817.2213.871101.014.6421
917.4573.925102.314.8413
1017.7273.985103.915.0722
1118.2944.113107.315.5623
1218.3814.132107.815.6312