Benchmark simulations of flow past rigid bodies using an open-source, sharp interface immersed boundary method
by Utku Senturk; Daniel Brunner; Hrvoje Jasak; Nicoleta Herzog; Clarence W. Rowley; Alexander J. Smits
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 19, No. 4, 2019

Abstract: This study reports benchmark results for a new immersed boundary method based finite-volume solver within the framework of the open-source toolbox foam-extend 3.2. The immersed boundary formulation uses a discrete forcing approach based on a weighted least squares approximation that preserves the sharpness of the boundary. Five test cases with increasing complexity are used. Results are also presented for the flow past a low-aspect-ratio plate that pitches about its leading edge at a Reynolds number of 2000. Force coefficient results are compared with available experimental and computational data. The results show that foam-extend 3.2 appears to be a promising open-source tool for solving flows with steady and unsteady immersed boundaries.

Online publication date: Fri, 19-Jul-2019

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