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complex flows with lattice Boltzmann.

... a library for lattice Boltzmann simulations

  • The code is in C++ and can be used to simulate physical phenomena, with emphasis on fluids.
  • The kernel is based on a variety of lattice Boltzmann models.
  • The source code is modular and can easily be extended by application programmers.
  • ... a framework for high performance computing
  • The library is optimized for single processor performance.
  • Efficient parallelization is achieved through the MPI extension. Good scalability on thousands of cores, and code efficiency up to several billion site updates per second in 3D applications have been measured.
  • Memory optimizations are accessible in case of irregular domain boundaries.
  • ... a community code
  • The source code is free and can be used under the terms of a Gnu General Public License V.3 (GPL3).
  • Developers from different countries are currently participating, and new contributions are welcome.
  • ... and more
  • Full serial and parallel checkpointing is supported for interrupted program executions.
  • Output of the data in VTK format allows visualization and data analysis with external tools like Paraview.
  • As the library is based on simple concepts, it is appropriate as a teaching support for courses on CFD and lattice Boltzmann.



version 1.5r1 (stable)
released on 16 January 2015

User level





Verified by

Verified on


Verified by

Kelly Hopkins

Verified on

1 September 2009

Verified by

Kelly Hopkins

Verified on

1 September 2009

Leaders and contributors

Jonas Latt Maintainer

Resources and communication

AudienceResource typeURI
Debian (Ref)

Software prerequisites

This entry (in part or in whole) was last reviewed on 22 February 2018.


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