Input files

The main input files for FELiCS are:

• a configuration file (.json)

• a mesh file (.msh)

• a boundary conditions file (.json)

• a mean flow file (.fel or MeanFlow.h5)

Additional input files may be required depending on the simulation setup.

The different input files are described in the following sections:

File	Description
Configuration file	Main simulation settings and solver parameters
Mesh file	Computational mesh in Gmsh format
Mean flow file	Mean flow solution used by FELiCS
Boundary file	Boundary condition definitions
Mixture file	Optional mixture properties for reacting flows

• FELiCS configuration file
  • File format
  • FELiCS parameters
  • Defaults and parameter handling
  • FELiCS-specific formatting conventions
  • Example
• Mesh file
  • Supported mesh format
  • Physical groups
  • Example
• Mean-flow file
  • Workflows to import mean flows
  • .fel file structure
  • .h5 file structure
• Boundary-condition file
  • Boundary identifiers
  • Structure
  • Supported boundary-condition types
  • Custom boundary conditions
  • Example
• Mixture file
  • Structure
  • Species
  • Reaction mechanism
  • Complete example