path a b ε dt dx ptSize it delay fps
Drag mouse to rotate model. Hold shift key or use mouse wheel to zoom it (canvas is matched to the browser window). Uncheck path to see 3D wave. The script makes 2 it time steps dt per frame.

FHN model. Tip dynamics on a 128x128x64 grid. For negative tension the tip filament is bended and breaks in peaces.

See also dancing spirals and 1283 grid.

Heart rhythms     updated 30 Dec 2011