Naor's Python scripts for initiating, driving, and analyzing spheral simulations.
WARNING: work in progress, updated often!
Spheral++ is a Lagrangian, ASPH based hydrocode coupled with an oct-tree gravitational code. Spheral is developed and maintained by Mike Owen at LLNL. Some reasons that make spheral a good choice for planetary collision modeling are:
- Good scalability (strong and weak) on compute clusters
- Adaptive sph implementation with ellipsoidal varying smoothing length
- Tensor damage model
- Multiple equations of state
This collection of python scripts is an attempt to provide 'templates' to generic planetary collision simulations including setting up, running, and analyzing simulation data, so that users can quickly start production runs without the need to learn the spheral API. For this reason I chose a script-like style of python modules (where all the action happens in the init section). These scripts are meant to be used from the shell so they are documented with comments rather than doc strings. Users typically set a small number of parameters in (a copy of) the .py files, ideally in no more than the first 20 or so commented lines. I also made most files executable to simplify the mpirun command. But note that they need to be executed by the python interpreter built by spheral, not the system python!
To get started read install.md and build_spheral.md.
Maintained by: Naor Movshovitz (nmovshov@gmail.com)
Directory: (Work in progress, updated often!)
Benchmarks/(NOT READY DO NOT USE!)- Tests of accuracy and performance.PlanetFactory/(NOT READY DO NOT USE!) - Scripts for setting up and saving custom planets.GenericCollisions/- The basic planetary collision scenarios, to be customized with problem specific requirements.Analysis/- Scripts to load and visualize simulation data.SpheralPlayground/- Various python code chunks for demonstrating usage of spheral classes. Usually invoked for interactive work, these should be run with iPython if possible.Help/- Some usage notes, troubleshooting notes, etc.shelpers.py- A module containing some convenience methods used by the other scripts. This is a true python module, not an executable.MATERILAS.md- Table of material and eos selection for use in many of above scripts.PlanetNodeGenerators.py- Custom node placement classes. Eventually should move into the spheral cose base.