Soft Matter Demos

This website is aimed at distributing interactive simulation demos that illustrate the wonderful world of soft matter physics.


Self-Assembly Demo

This is an interactive simulation demonstrating self-assembly: particles organizing themselves into different structures. You can use it to simulate the behavior of a box full of particles, and see how they form gases, liquids, and crystals based on the density and temperature.

Version 3.0 is available now!

More details and downloads.

Try the WebGL version »

The video below shows an example of the self-assembly of a quasicrystal in this demo. For more videos, visit our YouTube channel



Structure Factor Demo

This is an interactive demonstration of the static structure factor. It allows you to plot both radially averaged and 2-dimensional structure factors for a variety of (2D) crystal structures, and to explore which particles contribute to specific peaks in the structure factor or diffraction pattern.

More details.

Try the WebGL version »

Who are we?

Frank Smallenburg Development & Program Design
Laura Filion Program Design
Rinske M. Alkemade Graphics Design
Alptug Ulugöl Mac Support


If you have any questions or comments, please contact us at info@softmatterdemos.org