More particles on a rotating sphere with a wall

追加: 2026-06-03

This simulation demonstrates how particles behave on a rotating sphere with a wall extending along a meridian from pole to pole. As the sphere rotates faster, particles concentrate at the equator due to centrifugal force, which is strongest at latitudes 45° and -45°. When particles leave the equatorial region, they bounce off the wall and create shock waves upon returning near the equator. The Coriolis force, proportional to particle speed, causes different turning behaviors in each hemisphere. The simulation uses the Lennard-Jones potential for particle interactions and the Nosé-Hoover-Langevin thermostat for temperature control, with particles visualized as ellipses in an equirectangular projection to account for polar distortion.