Meshing System Documentation

Important

High Priority Documentation Gap Module: meshing.py (4,437 lines - largest module)
Priority: 🟡 High
Current Status: Partial documentation - needs geometric parameter details

This is a critical user-facing system that needs comprehensive documentation.

Overview

The meshing subsystem handles computational mesh generation and manipulation for finite element analysis.

Current State

  • Lines of Code: 4,437 (largest single module)

  • Functions: 17 mesh generation functions

  • External Dependencies: gmsh, PETSc

  • Documentation Quality: Partial ⚠️

Key Components

# Major mesh types that need documentation
- UnstructuredSimplexBox      # Cartesian box meshes
- SphericalShell              # Spherical annulus meshes  
- CubedSphere                 # Cubed sphere topology
- AnnulusInternalBoundary     # Annulus with internal boundaries
- QuadBox / HexBox            # Structured meshes

Documentation Needs

Critical Gaps

  1. Geometric parameter relationships and constraints

  2. Boundary condition setup patterns

  3. Mesh refinement strategies

  4. Parallel decomposition behavior

Current Status

  • ✅ Function signatures documented

  • ✅ Basic parameter descriptions

  • ❌ Geometric parameter details missing

  • ❌ Usage examples sparse

  • ❌ Mesh topology explanations needed

Implementation Tasks

Tip

For Contributors This section needs:

  • Complete geometric parameter documentation for each mesh type

  • Boundary condition setup examples

  • Mesh quality and refinement guidance

  • Parallel mesh distribution patterns

  • Performance considerations for different mesh types

  • Integration with discretisation system