This simulation was used as part of the Physics BSc Research Project. Repository includes report for completeness.

• cd swarming

• python main.py

Immersing an asymmetric rotor in an active system sets it into spontaneous rotation. This report aims to investigate the factors affecting rotation in an active bath. Firstly, we focus on phase transitions in the Vicsek model in order to understand the physics of active systems. Throughout the results, a potentially novel phase transition is observed for the topological Vicsek model. Secondly, the rotors are placed in different active baths and their rotations are investigated. An empirical relationship is found between order in the system and rotation, emphasising that collective motion enhances rotation. Finally, the shapes of the rotors are optimised using a genetic algorithm for the different bath