xiaopingqiu / dugksFoam

An OpenFOAM solver for Boltzmann model equation using discrete unified gas kinetic scheme

dugksFoam

An OpenFOAM solver for Boltzmann model equation using discrete unified gas kinetic scheme [1,2,3].

Key features

• Solving discrete velocity Boltzmann equation;
• Based on Shakhov-BGK collision model;
• Using discrete unified gas kinetic scheme (Asymptotic preserving property);
• A standard OpenFOAM solver;
• Arbitrary unstructured meshes;
• MPI parallel computing capability;
• 1D & 2D & 3D in a single solver;
• Post processing tools of OpenFOAM are ready to use;
• Various boundary condition types.

Installation and documentation

See dugksFoam.pdf in doc directory, or download it here.

References

• [1] Z.L. Guo, K. Xu, R.J. Wang, Discrete unified gas kinetic scheme for all Knudsen number flows: low-speed isothermal case, Phys. Rev. E, 88 (2013) 033305.
• [2] Z.L. Guo, R.J. Wang, K. Xu, Discrete unified gas kinetic scheme for all Knudsen number flows. II. Thermal compressible case, Phys. Rev. E, 91(2015) 033313.
• [3] L.H. Zhu, Z.L. Guo, K. Xu, Discrete unified gas kinetic scheme on unstructured meshes, arXiv preprint arXiv:1503.07374, (2015).