Perspective: Selected Benchmarks From Commercial CFD Codes

[+] Author and Article Information
C. J. Freitas

Computational Mechanics Section, Southwest Research Institute, 6220 Culebra Rd., San Antonio, TX 78228-0510

J. Fluids Eng 117(2), 208-218 (Jun 01, 1995) (11 pages) doi:10.1115/1.2817132 History: Received October 14, 1994; Revised February 23, 1995; Online December 04, 2007


This paper summarizes the results of a series of five benchmark simulations which were completed using commercial Computational Fluid Dynamics (CFD) codes. These simulations were performed by the vendors themselves, and then reported by them in ASME’s CFD Triathlon Forum and CFD Biathlon Forum. The first group of benchmarks consisted of three laminar flow problems. These were the steady, two-dimensional flow over a backward-facing step, the low Reynolds number flow around a circular cylinder, and the unsteady three-dimensional flow in a shear-driven cubical cavity. The second group of benchmarks consisted of two turbulent flow problems. These were the two-dimensional flow around a square cylinder with periodic separated flow phenomena, and the steady, three-dimensional flow in a 180-degree square bend. All simulation results were evaluated against existing experimental data and thereby satisfied item 10 of the Journal’s policy statement for numerical accuracy. The objective of this exercise was to provide the engineering and scientific community with a common reference point for the evaluation of commercial CFD codes.

Copyright © 1995 by The American Society of Mechanical Engineers
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