EngineeringToolkit

Flexure Formula Formula

The normal stress due to bending in a beam.

Formula

σ = My/I

Discipline: Statics & Structural. Result unit: Pa.

Variables and units

  • σ — Stress (Pa): Normal stress
  • M — Bending Moment (N·m): Bending moment
  • y — Distance from Neutral Axis (m): Distance from neutral axis
  • I — Moment of Inertia (m⁴): Area moment of inertia