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Beam Load & Stress Analyzer

Interactive 3D simulation of a simply supported structural beam: apply a uniform distributed load and a movable point load, watch reactions, the bending-moment diagram, deflection and bending stress update in real time, and see the beam turn red when it exceeds its material capacity.

Engineering & Materials3DModerate60 FPS

Civil engineering starts with structural statics: figuring out how a beam carries the loads placed on it, where the internal stress peaks, and how far it deflects before something gives. This simulation models a simply supported beam under a combined uniform distributed load and a movable point load, computing reactions, the bending-moment diagram, bending stress and deflection from real beam theory. Change the span, beam depth and material to see the same load pushed past a beam's capacity — and watch it fail.

⚙ Under the hood

Interactive 3D simulation of a simply supported structural beam under a distributed load and a movable point load: reactions, the bending-moment diagram, bending stress and deflection update in real time, and the beam turns red when it exceeds its material's capacity.

Three.jsstructural engineeringstaticsbeam theorycivil engineering

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install