Gizmo Simulation Blueprint

Scientific scope

• Declare target observables and acceptable error margins.
• Decide whether MFM or MFV will be the primary hydro mode.
• Define the diagnostics you must monitor before launch.

Model assembly

• Start from a gravity + hydro baseline.
• Add cooling, star formation, feedback, or MHD one module at a time.
• Record each configuration in a run registry for reproducibility.

Resolution and output cadence

• Set particle mass and softening length based on your physical objectives.
• Schedule snapshot outputs by dynamical timescale.
• Keep high-frequency lightweight diagnostics running separately for QA.

Pre-flight checks

• Complete a short convergence-oriented pilot run.
• Validate restart behavior and output format compatibility.
• Estimate full campaign walltime and storage needs.