Large Eddy Simulation Of Turbulent Flows Using Finite Volume Methods With Structured Unstructured And Zonal Embedded Grids
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Large Eddy Simulation of Turbulent Flows Using Finite Volume Methods with Structured, Unstructured, and Zonal Embedded Grids
Author | : Todd Allen Simons |
Publisher | : |
Total Pages | : 280 |
Release | : 1998 |
Genre | : |
ISBN | : |
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Structured, unstructured, and zonal embedded grid finite volume formulations have been developed to solve the Favre filtered Navier-Stokes equations for performing large eddy simulation of turbulent flows. These compressible formulations were developed using a dual time stepping approach with low Mach number preconditioning. For the structured and zonal embedded grid formulations, time marching was done with either an explicit Runge-Kutta scheme or an implicit lower-upper symmetric-Gauss-Seidel scheme. For the unstructured formulation, time marching used either an explicit Runge-Kutta scheme or traditional Gauss-Seidel scheme. All codes were parallelized to reduce the overall time required for simulations. These schemes were second-order accurate in space and time. Validations were performed using laminar and turbulent incompressible benchmark flows.
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