NEKRS-LS / VISUALIZATIONS

Multiphase visualizations

High-order simulations of two-phase flows using NekRS-LS.

Turbulent bubbly channel flow

Reτ ≈ 280ρr = 40μr ≈ 6We ≈ 17Fr ≈ 4Void fraction = 3%


Growth & decay of two-phase homogeneous isotropic turbulence

Reλ ≈ 85We ≈ 20ρr = 1μr = 1 Reference

NEKRS-LS / REFERENCES

References

  1. Saini, N., Tomboulides, A., Shaver, D. R., Fischer, P. F., Merzari, E., Obabko, A. V., & Guillen, D. P. (2026). A high order continuous Galerkin spectrally stabilized level-set approach for incompressible two-phase flows. Journal of Computational Physics, 561, Article 114961. https://doi.org/10.1016/j.jcp.2026.114961
  2. Saini, N., & Balakrishnan, R. (2026). GPU accelerated spectral element simulations of single and two-phase forced isotropic turbulence (ANL/NSE-26/74). Argonne National Laboratory. https://doi.org/10.2172/17032787
NEKRS-LS / ACKNOWLEDGMENTS

Acknowledgments

The work of Argonne National Laboratory was supported by the U.S. Department of Energy, Office of Nuclear Energy, Nuclear Energy Advanced Modeling and Simulation (NEAMS) program, under contract DE-AC02-06CH11357.