The maximum deflection at the free end can be calculated as The maximum moment at the fixed end of a UB 305 x 127 x 42 beam steel flange cantilever beam 5000 mm long, with moment of inertia 8196 cm 4 (81960000 mm 4), modulus of elasticity 200 GPa (200000 N/mm 2) and with a single load 3000 N at the end can be calculated as The maximum moment in a cantilever beam is at the fixed point and the maximum stress can be calculated by combining 1b and 1d toĮxample - Cantilever Beam with Single Load at the End, Metric Units Y = distance to point from neutral axis (m, mm, in) The stress in a bending beam can be expressed as Δ B = maximum deflection in B (m, mm, in)Į = modulus of elasticity (N/m 2 (Pa), N/mm 2, lb/in 2 (psi))ī = length between B and C (m, mm, in) Stress L = length of beam (m, mm, in) Maximum DeflectionĪt the end of the cantilever beam can be expressed as M A = maximum moment in A (Nm, Nmm, lb in) F = single acting force in B (N, lb) Maximum Moment
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