Author : Todd Allen Simons
Release : 1998
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Kind : eBook
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Book Synopsis Large Eddy Simulation of Turbulent Flows Using Finite Volume Methods with Structured, Unstructured, and Zonal Embedded Grids by : Todd Allen Simons

Download or read book Large Eddy Simulation of Turbulent Flows Using Finite Volume Methods with Structured, Unstructured, and Zonal Embedded Grids written by Todd Allen Simons. This book was released on 1998. Available in PDF, EPUB and Kindle. Book excerpt: 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.