FlowCart is the current solver being released with the Cart3D inviscid analysis package. FlowCart is a scalable, multilevel, solver for the Euler equations governing the inviscid flow of a compressible fluid. Meshes from cubes are treated as unstructured collections of Cartesian cells, and it takes advantage of the fact that cells are Cartesian wherever possible to reduce the operation count. Both the parallelization and multigrid are completely transparent to the user, and OpenMP and MPI versions of flowCart use the same command line arguments, and scale similarly. On most modern desktop machines it can converge well over 1 million cells-per-hour-per processor, and it does very well on multi-core CPUs. Since it is a multilevel code, it converges very quickly and includes the latest work on low-dissipation approaches, solid wall boundaries, mesh interfaces and limiters.

Loci-CHEM is a finite-volume flow solver for generalized grids developed at Mississippi State University supported in part by NASA and NSF. Loci-CHEM uses high resolution approximate Riemann solvers to solve finite-rate chemically reacting viscous turbulent flows. Preconditioning is available for low Mach number applications. Various chemical reaction mechanisms are also available. Thermodynamic properties are provided via a standard partition function formulation which calculates the specific heats, internal energies and entropies of each individual perfect gas species. Several turbulence models are available, including the Mentor Shear Stress Transport (SST) and original Wilcox k-omega models. Details of the numerical formulation are presented in the Loci-CHEM user guide. Loci-CHEM is comprised entirely of C and C++ code and is supported on all popular UNIX variants and compilers. Parallelism is supplied by the Loci framework which exploits multi-threaded and MPI libraries to provide parallel capability.

U2NCLE is a family of scalable parallel flow simulation codes that solves the Unsteady Reynolds-Averaged Navier-Stokes (UnRANS) equations for complex geometries represented by multielement unstructured grids. It is being developed by the Computational Simulation and Design Center at Mississippi State University (MSU).  U2NCLE is a research code that has evolved over the past few years under support primarily from the Office of Naval Research, and is continuously being extended and improved. U2NCLE has been applied to a number of flows of Navy interest, including submarine, propulsor and surface ship flows.

USM3D is part of TetrUSS CFD suite developed at NASA Langley.   USM3D is a tetrahedral cell-centered, finite volume Euler and Navier-Stokes (N-S) flow solver. Inviscid flux quantities are computed across each cell face using Roe's flux-difference splitting (FDS). Spatial discretization is accomplished by a novel reconstruction process, which is based on an analytical formulation for computing solution gradients within tetrahedral cells. The solution is advanced to a steady state  condition by an implicit backward-Euler time-stepping scheme. Flow turbulence effects are modeled by the Spalart-Allmaras (S-A) one-equation model, which is coupled with a wall function to reduce the number of cells in the sublayer region of the boundary layer. USM3D runs with multitasking on Cray vector processors, and more recently on massively parallel processors.

GASP is a structured/unstructured, multi-block CFD flow solver which solves the Reynolds Averaged Navier-Stokes (RANS) equations as well as the heat conduction equation for solid bodies. It is applicable to compressible flow fields approximately, as well as incompressible flows. This would include flows with finite-rate or equilibrium chemistry, such as combustion problems or reentry type flows. GASP can perform both steady and time accurate simulations. The code has a 6 degree of freedom (6-dof) motion modeling capability and uses a Chimera overlapping grid system for moving body simulations. Overlapping grids may also be used for complex steady-state simulations. GASP can also compute the sensitivity of the solution with respect to one or more design variables. For example, it will tell you how the entire solution at a point will vary as you change the angle of attack.