PPolySim OS
For K-12 Students · DLA Growth

DLA Growth for a car braking

Built for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework. Simulate a car braking live below — adjust the inputs and watch it respond, right in your browser.

Diffusion-Limited AggregationLive

Controls

Particles wander randomly from the edge and stick where they touch the cluster. The result is a branching fractal — like frost, coral, and mineral dendrites.

Presets

▶ Run in Python

Data Inspector

Cluster size1
Grid200×200
Fractal dim.≈ 1.71

Governing equation

Reading this result: Each walker sticks on first contact, so exposed tips capture particles before they reach the interior (screening) — that feedback is what makes the cluster branch as an open fractal.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

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More with DLA Growth

Frequently asked questions

Is this good for k-12 students?
Yes — this version of "DLA Growth for a car braking" is framed for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework.
Do I need to install anything?
No. It runs in any modern browser, free, with no account required.