LIBRARY:
   CEL:
     EXPRESSIONS:
       StartTS = 2
       DPDX1 = massFlowAve(AV DPDX )@Trans1 Side 1 
       DPDXRlx = 0.2
       DPDXINI = 40 [Pa / m]
       rho = areaAve(Density )@Trans1 Side 1
       MFLOW1 = rho * (areaInt(Velocity w)@Trans1 Side 1)
       MGOAL = 0.02747 [kg/s]
       DPDXNew = (MGOAL/MFLOW1)*DPDX1
       DPDX2 = DPDXRlx*(DPDXNew-DPDX1) + DPDX1
       DPDX = step(citern-StartTS)*DPDX2 + step(StartTS-citern)*DPDXINI
       MRATIO1 = MFLOW1 / MGOAL
       QSOURCE1 = areaInt(Wall Heat Flux)@Rotor
       Tbulk = (areaInt(AV TEMPMASS)@Trans1 Side 1)/ MFLOW1
       TbulkGOAL = 320 [K]
       QSOURCENew = (Tbulk/TbulkGOAL)*QSOURCE1
       QSOURCERlx = 0.5
       QSOURCE2 = QSOURCERlx*(QSOURCENew-QSOURCE1) + QSOURCE1
       QSOURCE = (-1) * (step(citern-StartTS)*QSOURCE2 + step(StartTS-citern)*QSOURCE1)
       TEMPMASS = Temperature * (- 1*Velocity w) * rho
     END
   END
   ADDITIONAL VARIABLE: AV DPDX
     Option = Definition
     Units = [ Pa / m]
     Variable Type = Specific
   END
   ADDITIONAL VARIABLE: AV TEMPMASS
     Option = Definition
     Units = [ K * kg / (s * m^2)]
     Variable Type = Specific
   END
 END
 FLOW:
   OUTPUT CONTROL:
     MONITOR OBJECTS:
       MONITOR BALANCES:
         Option = Full
       END
       MONITOR FORCES:
         Option = Full
       END
       MONITOR PARTICLES:
         Option = Full
       END
       MONITOR POINT: ME DPDX
         Expression Value = DPDX
         Option = Expression
       END
       MONITOR POINT: ME QSOURCE
         Expression Value = QSOURCE
         Option = Expression
       END
       MONITOR POINT: MRATIO
         Expression Value = MRATIO1
         Option = Expression
       END
       MONITOR POINT: TBULK
         Expression Value = TBulk
         Option = Expression
       END
       MONITOR RESIDUALS:
         Option = Full
       END
       MONITOR TOTALS:
         Option = Full
       END
     END
     RESULTS:
       File Compression Level = Default
       Option = Full
     END
   END
   DOMAIN:Stator1Rotor1  
     FLUID MODELS:
       ADDITIONAL VARIABLE: AV DPDX
         Additional Variable Value = DPDX
         Option = Algebraic Equation
       END
       ADDITIONAL VARIABLE: AV TEMPMASS
         Additional Variable Value = TEMPMASS
         Option = Algebraic Equation
       END       
     END
   END
 END