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  • The FESTIM tutorial

Getting started

  • Simple simulation
  • Installation

Fundamentals

  • Meshes
    • FESTIM meshes
    • DOLFINx meshes
    • Mesh with GMSH
    • Mesh with SALOME
  • Materials
    • Basic functionality
    • Using the HTM database
    • Advanced functionality
  • Boundary conditions
    • Backgrounc
    • Hydrogen transport: basic
    • Hydrogen transport: advanced
    • Hydrogen transport: examples
    • Heat transfer
  • Species and reactions
    • Chemical species
    • Reactions
    • Surface reactions
  • Initial conditions
    • Concentration
    • Temperature
  • Temperature
    • Basic functionality
    • Advanced functionality
  • Post processing
    • Derived quantities
    • Exporting fields
    • Visualizing fields in ParaView
    • Using PyVista for interactive visualization
  • Settings
  • Stepsize

Misc

  • Build FESTIM from scratch
    • Steady state problem
    • Transient problem
    • Temperature dependence
    • Boundary condition: Particle fluxes
  • Troubleshooting

Applications

  • TDS simulation
  • Simple permeation simulation
  • Permeation barrier modelling
  • Heat transfer simulations
  • Monoblock
  • Advection-diffusion problem
  • Fitting a TDS spectrum
  • Hydrogen diffusion along grain boundaries
  • Multiphysics coupling
    • Coupling to computational fluid dynamics
    • Coupling to neutronics
  • Machine Learning
    • Training a FESTIM surrogate model
    • Active learning
  • Repository
  • Open issue

Index

By The FESTIM community

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Last updated on May 22, 2026.