Release Notes:

Release Date: January 5, 2025

Highlights

1. Expanded Two-Phase Flow Capabilities

   • VOF-based interface tracking with an option for the conservative momentum advection module.
   • Added the reduced gravity approach for precise control over effective body forces.

2. Improved HPC Support

   • MPI integration for large-scale parallel runs on HPC clusters.
   • Refined instructions and Slurm scripts for streamlined deployment on typical HPC infrastructures.

3. Enhanced Post-Processing Tools

   • New Python scripts for 2D and 3D visualization (Video2DSlice.py, Video3D.py).
   • Jupyter notebook (Visualization3D.ipynb) for interactive exploration of simulation data.
   • getFacets3D.c for interface extraction and geometric analysis.

4. Robust Initialization Workflow

   • Option to generate initial conditions in a single-threaded (OpenMP) run before migrating to MPI.
   • Automatic environment configuration via .project_config to minimize setup inconsistencies.

Bug Fixes

• Resolved mesh refinement edge cases when using distance.h.
• Corrected velocity boundary conditions on domain walls for axisymmetric setups.
• Addressed race conditions in OpenMP runs by clarifying memory allocation routines.

Known Issues

• Basilisk's distance.h remains incompatible with MPI, necessitating local initialization before parallel runs.
• Some HPC environments require manual customization of compiler and library paths in .project_config.

Future Directions

• Addition of automated regression tests in testCases/ for routine CI checks.
• Enhancements to post-processing scripts for slice-by-slice interface tracking.
• Further optimization of load balancing in MPI runs.