DLR TAU Code which is a standard code within the European aeronautical industry which solves the Reynolds Average Navier-Stokes (RANS) compressible equations on unstructured hybrid grids employing a second order finite volume discretization used by Airbus.
XFlow is fully Lagrangian, particle-based, approach solver that avoid the traditional meshing process which solves Lattice-Boltzmann equations. We were responsible for the XFlow validation of aerodynamic problems to Airbus.