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Best Practices for Unstructured Grid Shock Fitting (2017)

McCloud, Peter L.

In: CASI

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Publication Date: 2019-07-13

Description: Unstructured grid solvers have well-known issues predicting surface heat fluxes when strong shocks are present. Various efforts have been made to address the underlying numerical issues that cause the erroneous predictions. The present work addresses some of the shortcomings of unstructured grid solvers, not by addressing the numerics, but by applying structured grid best practices to unstructured grids. A methodology for robust shock detection and shock fitting is outlined and applied to production relevant cases. Results achieved by using the Loci-CHEM Computational Fluid Dynamics solver are provided.

Keywords: Fluid Mechanics and Thermodynamics

Type: JSC-CN-36483 , AIAA SciTech 2017; Jan 09, 2017 - Jan 13, 2017; Grapevine, TX; United States

Format: application/pdf

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