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Module Module1
Sub Main()
'create automation manager
Dim interf As New DWSIM.Automation.Automation2()
Dim sim As Interfaces.IFlowsheet
sim = interf.CreateFlowsheet()
'load Cavett's Problem simulation file
sim = interf.LoadFlowsheet("samples" & IO.Path.DirectorySeparatorChar & "Cavett's Problem.dwxml")
'set a listener to catch solver messages
'sim.SetMessageListener(Sub(msg As String)
' Console.WriteLine(msg)
' End Sub)
'use CAPE-OPEN interfaces to manipulate objects
Dim feed, vap_out, liq_out As CapeOpen.ICapeThermoMaterialObject
feed = sim.GetFlowsheetSimulationObject("2")
vap_out = sim.GetFlowsheetSimulationObject("8")
liq_out = sim.GetFlowsheetSimulationObject("18")
'mass flow rate values in kg/s
Dim flows(3) As Double
flows(0) = 170.0#
flows(1) = 180.0#
flows(2) = 190.0#
flows(3) = 200.0#
'vapor and liquid flows
Dim vflow, lflow As Double
For i = 0 To flows.Length - 1
'set feed mass flow
feed.SetProp("totalflow", "overall", Nothing, "", "mass", New Double() {flows(i)})
'calculate the flowsheet (run the simulation)
Console.WriteLine("Running simulation with F = " & flows(i) & " kg/s, please wait...")
interf.CalculateFlowsheet2(sim)
'check for errors during the last run
If sim.Solved = False Then
Console.WriteLine("Error solving flowsheet: " & sim.ErrorMessage)
End If
'get vapor outlet mass flow value
vflow = vap_out.GetProp("totalflow", "overall", Nothing, "", "mass")(0)
'get liquid outlet mass flow value
lflow = liq_out.GetProp("totalflow", "overall", Nothing, "", "mass")(0)
'display results
Console.WriteLine("Simulation run #" & (i + 1) & " results:" & vbCrLf & "Feed: " & flows(i) & ", Vapor: " & vflow & ", Liquid: " & lflow & " kg/s" & vbCrLf & "Mass balance error: " & (flows(i) - vflow - lflow) & " kg/s")
Next
interf.SaveFlowsheet2(sim, "/Users/Daniel/Desktop/savefile.dwxmz")
Console.WriteLine("Finished OK! Press any key to close.")
Console.ReadKey()
End Sub
End Module
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