Abstract
Direct Numerical Simulations (DNS) based on the Volume of Fluid (VOF) method are carried out in this work, with the aim of analyzing the primary breakup of an inelastic non-Newtonian jet. Detailed description of the jet phenomena is provided firstly, followed by analysis on the generation of ligaments and droplets. The non-Newtonian characteristics of the jet are discussed as well, with a modified Ostwald de Waele model applied for the computation of the shear thinning liquid viscosity. Further, information about the current status of the MPI optimization regarding the Cray XE6 platform is revealed and a first performance analysis is presented.
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Acknowledgements
The authors greatly thanks the High Performance Computing Center Stuttgart (HLRS) for support and supply of computational time on the NEC SX-9 and Cray XE6 platforms under the Grant No. FS3D/11142. The authors also greatly appreciate financial support of this project from DFG within the priority program SPP 1423 “Prozess Spray”, as well as the financial support from the China Scholarship Council (CSC), as well as from the SFB Transregio 75 and the DFG Cluster of Excellence Simulation Technologies at the University of Stuttgart.
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Zhu, C., Ertl, M., Meister, C., Rauschenberger, P., Birkefeld, A., Weigand, B. (2013). Direct Numerical Simulation of Inelastic Non-Newtonian Jet Breakup. In: Nagel, W., Kröner, D., Resch, M. (eds) High Performance Computing in Science and Engineering ‘13. Springer, Cham. https://doi.org/10.1007/978-3-319-02165-2_22
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DOI: https://doi.org/10.1007/978-3-319-02165-2_22
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