We show here how to run such initial conditions with Swift. To generate the initial conditions locally, if pNbody is installed, run: ic_gen_2_slopes+plummer -q --Rmin 1e-3 --Rmax 50 --M200 6.0e9 --c 30 --alpha 0 --beta 3 --Mtot 1e7 -a 0.5 --ptype1 4 --ptype2 1 --mass1 8000 --mass2 8000 -t swift -o dSph_core.hdf5 If you don't have access to pNbody, you can simply skip this step. The initial conditions will automatically be downloaded when launching the run script (see below). To run this example, SWIFT must be configured with the following options: ./configure To start the simulation: ./run.sh