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43 Watching phase volumes in the domain

  • For interFoam solvers is useful to watch fraction of phases volumes


  • Liquid phase volume fraction is part of solver output


  • Write small gnuplot script showing Liquid phase volume fraction during computation


  • Create file named volumePhaseFraction:



# Gnuplot script file for plotting data from file "log"
set title "Convergence process"
set xlabel "Iterations"
set ylabel "Liquid phase volume fraction"
set grid
plot '< cat log | grep "Phase-1" | cut -d " " -f5 ' with lines title 'Liquid phase volume fraction'
pause mouse
  • Run gnuplot with volumePhaseFraction file on log-file named log:

    # gnuplot volumePhaseFraction


Figure: Water fraction in domain