Results are for reference only. Check these numbers against other sources before relying on them for a real structural decision.
Engineering

Beam Bench

Deflection, stress & the load–shear–moment story, drawn live.
Euler–Bernoulli · small-deflection
simply supported · UDL

Set-up

define the beam
5.0 m
20 kN
2.50 m
10 kN/m

The beam under load

shape exaggerated ×1
undeflected deflected shape load drag the load along the span
Results
Section & support
Diagrams

Load → shear → moment → deflection

hover to read off any station; click to lock it across all four
Loading
Shear force  V kN
Bending moment  M kN·m
Deflection  δ mm (true scale within this strip)
Relationships

What drives the numbers

amber markers track your current beam
Section library

Pick a shape to carry the load

properties computed from geometry · fillets ignored
Field notes

How a beam thinks