Three-dimensional multigrid Reynolds-averaged Navier-Stokes solver for unstructured meshes

Abstract

A three-dimensional unstructured mesh Reynolds averaged Navier-Stokes solver is described. Turbulence is simulated using a single field-equation model. Computational overheads are minimized through the use of a single edge-based data-structure, an efficient multigrid solution technique, and the use of multi-tasking on shared memory multi-processors. The accuracy and efficiency of the code are evaluated by computing two-dimensional flows in three-dimensions and comparing with results from a previously validated two-dimensional code which employs the same solution algorithm. The feasibility of computing three-dimensional turbulent flows on grids of several million points in less than two hours of wall clock time is demonstrated.

A Parallel, Unstructured-Mesh Methodology for Device-Scale Combustion Calculations

“…Others have used the control volumes and edge-based data structure described above in conjunction with tetrahedral- (Mavriplis, 1995) and hybrid-grids (Selmin, 1993). Our numerical method differs from previous methods in the means by which artificial dissipation is introduced, as described in the next section.…”

Super Cooled Large Droplet Analysis for Several Geometries Using LEWICE3D Version 3

“…16). The parallel solver developed by Mavriplis employs a Roe-Rieman solver and supports multi-grid and low Mach number pre-conditioning to aid convergence.…”

Fifty Years of Aerodynamics: Successes, Challenges, and Opportunities

“…Key contributors to the development of algorithms for unstructured grids include Barth (1995), Mavriplis (1990Mavriplis ( , 1995, and Venkatakrishnan and Mavriplis (1993). Contributions to methods for solution adaptation are too numerous to mention.…”