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The LBSim is an open source project for the simulation of fluid dynamics problems using the lattice Boltzmann method (LBM). It has many applications, including multiphase flows, thermal coupling, microfluidics, among others. This software has been developed by Fabio Sussumu Komori, from the Software Development Center - University of Sao Paulo, under the supervision of Prof. Marcelo N. P. Carreño.

The source code is now open and we hope the contribution of the community in order to improve the program. The developed software has already a series of interesting applications and features, which can be used by many researchers around the world.

The project is built using the Qt framework, supporting versions 4 and 5. The source code is organized according to the following instructions:

• model: classes for the simulation using LBM
  • inputoutput
  • latticeboltzmann
  • listener
  • math
  • util
• qwt: source code of the Qwt project
• view: classes related to the user interface