Tidal downsizing model – I. Numerical methods: saving giant planets from tidal disruptions

Theoretical astrophysics research in Leicester is supported by an STFC grant. This paper used the DiRAC Complexity system, operated by the University of Leicester, which forms part of the STFC DiRAC HPC Facility (www.dirac.ac.uk). This equipment is funded by a BIS National E-Infrastructure capital grant ST/K000373/1 and DiRAC Operations grant ST/K0003259/1. DiRAC is part of the UK National E-Infrastructure.