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pyParareal

Python Parareal code to analyse Parareal's wave propagation characteristics.

Attribution

You can freely use and reuse this code in line with the BSD license. If you use it (or parts of it) for a publication, please cite

@Article{Ruprecht2018,
author="Ruprecht, Daniel",
title="Wave propagation characteristics of Parareal",
journal="Computing and Visualization in Science",
year="2018",
doi="10.1007/s00791-018-0296-z",
url="https://doi.org/10.1007/s00791-018-0296-z"
}

DOI

How can I reproduce Figures from the publication?

  • Fig. 1 and Fig. 2 --> scripts/plot_svd_vs_dt.py
  • Fig. 3 --> scripts/plot_dispersion.py with parameter nu=0.0 and nu=0.1
  • Fig. 4 --> example/run.py
  • Fig. 5 --> scripts/plot_ieuler_dispersion.py
  • Fig. 6 --> scripts/plot_dispersion.py with stencil=2 (also set nu=0.0 and dx=1.0)
  • Fig. 7 --> scripts/plot_dispersion.py with artificial_coarse=1 and artifical_coarse=2
  • Fig. 8 --> example/run.py with artificial_coarse=2
  • Fig. 9 --> scripts/plot_svd_vs_waveno_different_G.py
  • Fig. 10 -> scripts/plot_dispersion.py with artifical_fine=1
  • Fig. 11 -> example/run.py with artifical_fine=1
  • Fig. 12 -> scripts/plot_dispersion.py with ncoarse=2
  • Fig. 13 -> scripts/plot_dispersion.py with Tend=64 and Nsamples=120
  • Fig. 14 -> scripts/plot_svd_vs_P.py
  • Fig. 15 -> scripts/plot_conv_vs_waveno.py
  • Fig. 16 -> scripts/plot_svd_vs_waveno.py

Who do I talk to?

This code is written by Daniel Ruprecht.