Welcome to the cosmological hydrodynamical code ______ _________________ / ___/ | / / _/ ___/_ __/ \__ \| | /| / // // /_ / / ___/ /| |/ |/ // // __/ / / /____/ |__/|__/___/_/ /_/ SPH With Inter-dependent Fine-grained Tasking Website: www.swiftsim.com Twitter: @SwiftSimulation See INSTALL.swift for install instructions. Usage: swift [OPTION]... PARAMFILE swift_mpi [OPTION]... PARAMFILE swift_fixdt [OPTION]... PARAMFILE swift_fixdt_mpi [OPTION]... PARAMFILE Valid options are: -a Pin runners using processor affinity -c Run with cosmological time integration -C Run with cooling -d Dry run. Read the parameter file, allocate memory but does not read the particles from ICs and exit before the start of time integration. Allows user to check validy of parameter and IC files as well as memory limits. -D Always drift all particles even the ones far from active particles. -e Enable floating-point exceptions (debugging mode) -f {int} Overwrite the CPU frequency (Hz) to be used for time measurements -g Run with an external gravitational potential -G Run with self-gravity -n {int} Execute a fixed number of time steps. When unset use the time_end parameter to stop. -s Run with SPH -t {int} The number of threads to use on each MPI rank. Defaults to 1 if not specified. -v [12] Increase the level of verbosity 1: MPI-rank 0 writes 2: All MPI-ranks write -y {int} Time-step frequency at which task graphs are dumped -h Print this help message and exit See the file examples/parameter_example.yml for an example of parameter file.
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Peter W. Draper
authored
Implementation Pressure entropy SPH Here is a new flavour of SPH that works and gives better result than the default Gadget-2 scheme. The only change affecting the rest of the code is the addition of the condition in `engine_init_particles()` to create a second density loop over the particles for the special conversions that are required in this scheme. Other than that, it just fits in the rest of the framework. See merge request !252
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