For Educators · 3D Heat Diffusion
3D Heat Diffusion for a mass on a spring
Built for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs. Simulate a mass on a spring live below — adjust the inputs and watch it respond, right in your browser.
3D Heat Diffusion StudioLive
3D finite difference · ∂u/∂t = α∇³u
Controls
Presets
Data Inspector
Grid40³
Cells64,000
SchemeExplicit FD
Governing equation
Reading this result: Heat spreads outward at a rate set by the diffusivity — each cell relaxes toward the average of its six neighbors every step.
Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.
Also for:StudentsResearchersEngineersHobbyists & MakersK-12 StudentsFirst RespondersGeneral version →
More with 3D Heat Diffusion
3D Heat Diffusion for a projectile from a cannon3D Heat Diffusion for a bouncing ball3D Heat Diffusion for a pendulum clock3D Heat Diffusion for a car braking3D Heat Diffusion for a roller-coaster loop3D Heat Diffusion for a satellite orbit3D Heat Diffusion for a skydiver's free fall3D Heat Diffusion for a two-cart collision
Frequently asked questions
- Is this good for educators?
- Yes — this version of "3D Heat Diffusion for a mass on a spring" is framed for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs.
- Do I need to install anything?
- No. It runs in any modern browser, free, with no account required.