ABSTRACT In this article, the previously developed single block fully coupled algorithm [1,2] for solving three-dimensional incompressible turbulent flows is extended to resolve transient flows in multiple rotating reference frames… Click to show full abstract
ABSTRACT In this article, the previously developed single block fully coupled algorithm [1,2] for solving three-dimensional incompressible turbulent flows is extended to resolve transient flows in multiple rotating reference frames using the arbitrary Lagrange–Euler (ALE) formulation. Details on the discretization of ALE terms along with a recently developed extension to the conservative and fully implicit treatment of multi-block interfaces into three-dimensional space are presented. To account for turbulence, the kω − SST turbulence model in ALE formulation is solved using Navier–Stokes equations. This multi-block transient coupled algorithm is embedded within the OpenFOAM® Computational Fluid Dynamics (CFD) library, and its performance evaluated in a real case involving a turbulent flow field in a swirl generator by comparing numerical predictions with experimental measurements.
               
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