Note: Presentations may start a few minutes before the time listed in the schedule.
CFD is a key tool for analysis of turbomachines, and is widely used in applications from design assessment/improvement to research into rotating stall inception and other complex phenomena. Increasingly, the computations required require extensive computational resources, with applications such as full-wheel response to inlet flow distortions commonly needing grids with over 100 million cells and multiple rotor revolutions of flow time. The cost structure of many commercial solvers scales, at least in part, with the number of parallel processes employed and so, especially for researchers and designers at smaller companies, commercial codes may not be accessible. In addition, they are typically “black box” tools which is not always desirable. OpenFOAM is a free, open-source CFD package that is widely used, but its application to gas turbine-type turbomachinery are still not widespread. At Turbo Expo 2023, the same speaker presented a tutorial introducing OpenFOAM basics and initial steps towards applications to turbomachinery. A web-based recording of a re-do of that tutorial is planned and will be posted online in advance of the 2024 conference, and the link to it will be included as a reference in the handouts so that attendees interested in reviewing that presentation may do so before attending this new tutorial.
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TOB052 - Compressible Flow Turbomachinery CFD With OpenFOAM
