Programming

One of the most relevant capabilities of OpenFOAM the possibility of creating new solvers and features, required for specific needs, which are done with Programming. You can find below a list of tutorials that covers Programming in OpenFOAM.

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Programming

Complete Programming Courses

• Hoste and Jasak video series on programming.
• Nilsson's introduction to programming in OpenFOAM.
• Tips by Gerhard Holzinger Source Code and Programming (Chapter IX).

C++

• Basics of C++ by Hakan Nilsson.

Intro: Compilation and Testing

• Lee's compact introduction to compilation using existing code.
• The tutorials by Stefan Radl provide details on compilation and basic testing of new code.
• Ferras et al. describe solver implementatiob, compilation, and testing.

Implementation of Initial and Boundary Conditions

• Guerrero describes how to implement and test BCs using codeStream.
• Guerrero describes field initialization using codeStream.
• Guerrero describes how to implement a basic solver from scratch.
• Guerrero describes how to add a passive scalar (or the convection-diffusion equation) to a basic solver.
• This tutorial by Gavin Tabor covers the implementation of custom boundary conditions.

Customizing solvers

• Rusche's introduction to programming details on version control with git, the build system and customizing solvers.
• Vakhrushev's slides illustrate how to modify a solver.
• Isabelle Choquet and Håkan Nilsson teaches how to implement new thermophysical model and additional transport equation.
• Gavin Tabor describes in this tutorial how to customize solver and implement a new constitutive model.
• Holzmann shows how to systematically build, analyze and build your own code in this tutorial.

Debugging

• See the list of tools by Stefan Radl to get an overview of debugging tools.

Further reading

• Håkan Nilsson's collection [1] comprises several reports that cover programming topics.