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A Novel Turbulent Inflow Data Generation Method and its Application to the Simulation of Primary Breakup

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Direct and Large-Eddy Simulation XI

Part of the book series: ERCOFTAC Series ((ERCO,volume 25))

Abstract

Direct numerical and large eddy simulation of inhomogeneous flows are very sensitive to turbulent inflow boundary conditions. This contribution presents a new turbulent inflow data generation method based on an auxiliary simulation of forced turbulence. It combines the flexibility of synthetic turbulence generation methods with the accuracy of precursor simulations. The approach allows full control over turbulence properties and provides divergence-free boundary fields, featuring realistic Navier-Stokes dynamics.

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References

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Acknowledgements

Support by the German Research Foundation (Deutsche Forschungsgemeinschaft - DFG, GS: KL1456/1-1) is gratefully acknowledged. Computer resources for this project have been provided by the Gauss Centre for Supercomputing/Leibniz Supercomputing Centre under grant: pr48no. The authors also express their gratitude to the developers of the PARIS Simulator for providing the source code.

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Authors and Affiliations

  1. Fakultät für Luft- und Raumfahrttechnik, Universität der Bundeswehr München, Werner-Heisenberg Weg 39, 85577, Neubiberg, Germany

    S. Ketterl & M. Klein

Authors
  1. S. Ketterl
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  2. M. Klein
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Corresponding author

Correspondence to S. Ketterl .

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Editors and Affiliations

  1. Dipartimento di Ingegneria Civile e Industriale, Università di Pisa, Pisa, Italy

    Maria Vittoria Salvetti

  2. Dipartimento di Ingegneria Civile e Ambientale, Università degli studi di Trieste, Trieste, Italy

    Vincenzo Armenio

  3. Institut für Strömungsmechanik, Technische Universität Dresden, Dresden, Germany

    Jochen Fröhlich

  4. Faculty of Electrical Engineering, Mathematics and Computer Science, Multiscale Modeling and Simulation, University of Twente, Enschede, The Netherlands

    Bernard J. Geurts

  5. Department of Mechanical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands

    Hans Kuerten

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Ketterl, S., Klein, M. (2019). A Novel Turbulent Inflow Data Generation Method and its Application to the Simulation of Primary Breakup. In: Salvetti, M., Armenio, V., Fröhlich, J., Geurts, B., Kuerten, H. (eds) Direct and Large-Eddy Simulation XI. ERCOFTAC Series, vol 25. Springer, Cham. https://doi.org/10.1007/978-3-030-04915-7_31

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  • DOI: https://doi.org/10.1007/978-3-030-04915-7_31

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-04914-0

  • Online ISBN: 978-3-030-04915-7

  • eBook Packages: EngineeringEngineering (R0)

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