OpenFOAM turbo tools: from general purpose CFD to turbomachinery simulations

Jasak, Hrvoje and Beaudoin, Martin (2011) OpenFOAM turbo tools: from general purpose CFD to turbomachinery simulations. = OpenFOAM turbo tools: from general purpose CFD to turbomachinery simulations. In: ASME-JSME-KSME Joint Fluids Engineering Conference 2011, 24-29.07.2011., Hamamatsu, Shizuoka, Japan.

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OpenFOAM is an established object-oriented li- brary for Computational Continuum Mechanics, with emphasis on CFD. It implements physical models of fluid flow, structural analysis, heat and mass transfer using equation mimicking, with un- structured polyhedral mesh support and massive parallelism in domain decomposition mode. In order to use OpenFOAM in turbomachinery CFD, its “general purpose” capabilities are en- hanced with turbo-specific features, related to physics of rotating regions and rotor-stator in- terfaces. Handling for geometric simplifications of multi-blade and multi-stage rotating machines are implemented, including simple stage inter- faces, non-equal pitch of blade passages, pitch-wise cyclicity and mixing plane averaging. In this paper we describe the implementation of turbomachinery-specific features in OpenFOAM, in the spirit of object orientation and C++. Empha- sis is given to the basic functionality of turbo tools, software layout in OpenFOAM, numerical formu- lation of stage interfaces and their place in overall code design. The paper is concluded with examples of turboma- chinery simulations, illustrating the capability of turbo tools on industrial cases of incompressible and compressible turbomachinery flows.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): OpenFOAM, Open source CFD, turbomachinery, GGI, mixing plane, C++, object orienta- tion
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 500 Department of Energy, Power Engineering and Environment > 530 Chair of Turbomachinery
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 08 Apr 2016 11:55
Last Modified: 04 Apr 2017 11:59

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