Hydrodynamic simulations of the disc of gas around supermassive black holes (HDGAS) – I. Molecular gas dynamics. - Raouf, Mojtaba; Viti, Serena; García-Burillo, S; Richings, Alexander J; Schaye, Joop; Bemis, Ashley; Nobels, Folkert S J; Guainazzi, Matteo; Huang, Ko-Yun; Schaller, Matthieu; Impellizzeri, Violette; Holdship, Jon (Monthly Notices of the Royal Astronomical Society, 2023)