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A Cartesian cut-cell method for sharp moving boundaries

Günther, C. and Schneiders, L. and Meinke, M. and Schröder, W. and Hartmann, D. (2012) A Cartesian cut-cell method for sharp moving boundaries. In: 20th AIAA Computational Fluid Dynamics Conference. American Institute of Aeronautics and Astronautics , Reston, VA, Art. No. 2011-3387. ISBN 978-1-62410-148-9. https://resolver.caltech.edu/CaltechAUTHORS:20190918-110141666

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Abstract

The extension of a three-dimensional, strictly conservative Cartesian cut-cell based method to stimulate flows bounded by complex geometries with moving parts like in-cylinder flows is presented. The method handles complex geometric details of three-dimensional technical objects such as sharp edges and acute-angled features, which may lead to cells which are multiply cut by the geometry and possibly split into separate parts. Moving boundaries are represented by the zero-contour of an advected level-set function. The method is applied to compute full engine cycles. An analysis of the types of cut cells generated for several realistic engine geometries is given. Furthermore, the flow of an internal combustion engine with a moving piston and opening/closing valves is discussed.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.2514/6.2011-3387DOIArticle
Additional Information:© 2011 American Institute of Aeronautics and Astronautics. Published Online: 14 Jun 2012.
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AIAA Paper2011-3387
Record Number:CaltechAUTHORS:20190918-110141666
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190918-110141666
Official Citation:A Cartesian cut-cell method for sharp moving boundaries. Claudia Günther, Daniel Hartmann, Matthias Meinke, and Wolfgang Schröder. 20th AIAA Computational Fluid Dynamics Conference. June 2011. https://doi.org/10.2514/6.2011-3387
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98721
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:18 Sep 2019 18:20
Last Modified:03 Oct 2019 21:43

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