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Running Simulation - Convergence Monitoring - Efficiency
efficiency can be followed during the simulation. Efficiency is plot by efficiency function object (configured in system/efficiency.fun). Simple script efficiency.gp can plot the head during computation:
set grid
set xlabel "iterations"
set ylabel "Efficiency [ - ]"
set key box above
set yrange [0.8:1]
set xrange [1:2000]
plot "< cat ./log | grep 'efficiency: ' | awk '{print $2}' " with lines title "Efficiency [ - ]"
pause 10
reread
Run the script:
# gnuplot efficiency.gp
Figure: Water turbine CFD, efficiency monitoring plot example.