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Running Simulation - Convergence Monitoring - Mass Flow
Mass flow rates are located in directories according to patchMassFlow function object setup in system/flux.fun. Simple script plotFlowRate.gp can plot the mass flow rates during the computation:
set grid set xlabel "iterations" set ylabel "mass flow" set key box above #set yrange [20:100] plot "./patchMassFlows_massFlowInlet/0/massFlow" \ using 1:(-$2) with lines title "spiral inlet", \ "./patchMassFlows_massFlowOutlet/0/massFlow" \ with lines title "drafttube outlet", \ "./patchMassFlows_massFlowMXP1_spiral/0/massFlow" \ using 1:($2+$3+$4+$5+$6+$7+$8+$9) with lines title "spiral outlet", \ "./patchMassFlows_massFlowMXP1_rotor/0/massFlow" \ using 1:(-($2+$3+$4+$5+$6+$7+$8+$9)) with lines title "rotor inlet", \ "./patchMassFlows_massFlowMXP2_rotor/0/massFlow" \ using 1:($2+$3+$4+$5+$6+$7+$8+$9) with lines title "rotor outlet", \ "./patchMassFlows_massFlowMXP2_drafttube/0/massFlow" \ using 1:(-($2+$3+$4+$5+$6+$7+$8+$9)) with lines title "drafttube" reread pause mouse
Run the script:
# gnuplot plotFlowRate.gp

Figure: Water turbine CFD, mass flow monitoring plot example.