Total Deformation

w_{tot} = \frac{w_{0}}{1 - \frac{P}{P_{e}}}

w_tot	Total deformation from buckling deflection and precamber
w₀	Pre-deformation from precamber due to geometric imperfection
P	Existing compression axial force in buckling member
P_e	Critical load in buckling member

Do you have any questions?