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' DWSIM Flowsheet Solver & Auxiliary Functions
' Copyright 2008-2022 Daniel Wagner O. de Medeiros
'
' This file is part of DWSIM.
'
' DWSIM is free software: you can redistribute it and/or modify
' it under the terms of the GNU General Public License as published by
' the Free Software Foundation, either version 3 of the License, or
' (at your option) any later version.
'
' DWSIM is distributed in the hope that it will be useful,
' but WITHOUT ANY WARRANTY; without even the implied warranty of
' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
' GNU General Public License for more details.
'
' You should have received a copy of the GNU General Public License
' along with DWSIM. If not, see <http://www.gnu.org/licenses/>.
Imports System.IO
Imports System.Threading
Imports DWSIM.Interfaces
Imports DWSIM.Interfaces.Enums.GraphicObjects
Imports DWSIM.Interfaces.Enums
Imports DWSIM.GlobalSettings
Imports DWSIM.ExtensionMethods
Imports cv = DWSIM.SharedClasses.SystemsOfUnits.Converter
Imports DWSIM.SharedClasses
'custom event handler declaration
Public Delegate Sub CustomEvent(ByVal sender As Object, ByVal e As System.EventArgs, ByVal extrainfo As Object)
Public Delegate Sub CustomEvent2(ByVal objinfo As CalculationArgs)
<System.Serializable()> Public Class FlowsheetSolver
'events for plugins
Public Shared Event UnitOpCalculationStarted As CustomEvent
Public Shared Event UnitOpCalculationFinished As CustomEvent
Public Shared Event FlowsheetCalculationStarted As CustomEvent
Public Shared Event FlowsheetCalculationFinished As CustomEvent
Public Shared Event MaterialStreamCalculationStarted As CustomEvent
Public Shared Event MaterialStreamCalculationFinished As CustomEvent
Public Shared Event CalculationError As CustomEvent
Public Shared Event CalculatingObject As CustomEvent2
''' <summary>
''' Flowsheet calculation routine 1. Calculates the object using information sent by the queue and updates the flowsheet.
''' </summary>
''' <param name="fobj">Flowsheet to calculate (FormChild object).</param>
''' <param name="objArgs">A CalculationArgs object containing information about the object to be calculated and its current status.</param>
''' <param name="sender"></param>
''' <remarks></remarks>
Public Shared Sub CalculateObject(ByVal fobj As Object, ByVal objArgs As CalculationArgs, ByVal sender As Object, Optional ByVal OnlyMe As Boolean = False)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
RaiseEvent UnitOpCalculationStarted(fobj, New System.EventArgs(), objArgs)
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationStarted, Scripts.ObjectType.FlowsheetObject, objArgs.Name)
Select Case objArgs.ObjectType
Case ObjectType.MaterialStream
Dim myObj = fbag.SimulationObjects(objArgs.Name)
Dim gobj As IGraphicObject = myObj.GraphicObject
If Not gobj Is Nothing Then
If gobj.OutputConnectors(0).IsAttached = True Then
Dim myUnitOp = fbag.SimulationObjects(myObj.GraphicObject.OutputConnectors(0).AttachedConnector.AttachedTo.Name)
If objArgs.Sender = "Spec" Or objArgs.Sender = "FlowsheetSolver" Then
CalculateMaterialStream(fobj, myObj, , OnlyMe)
Else
If objArgs.Calculated = True Then
gobj = myUnitOp.GraphicObject
gobj.Calculated = False
myUnitOp.Calculated = False
If myUnitOp.IsSpecAttached = True Then
If myUnitOp.SpecVarType = SpecVarType.Target And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.BeforeTargetObject Then
fbag.SimulationObjects(myUnitOp.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.BeforeObject And spec.ReferenceObjectID = myUnitOp.Name Then
obj.Solve()
End If
Next
If fbag.DynamicMode Then
myUnitOp.RunDynamicModel()
Else
myUnitOp.Solve()
End If
For Each utility In myUnitOp.AttachedUtilities
If utility.AutoUpdate Then fbag.RunCodeOnUIThread(Sub() utility.Update())
Next
myUnitOp.Calculated = True
gobj.Status = Status.Calculated
If myUnitOp.IsSpecAttached = True Then
If myUnitOp.SpecVarType = SpecVarType.Source And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.AfterSourceObject Then
fbag.SimulationObjects(myUnitOp.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.AfterObject And spec.ReferenceObjectID = myUnitOp.Name Then
obj.Solve()
End If
Next
fgui.ShowMessage(gobj.Tag & ": " & fgui.GetTranslatedString("Calculadocomsucesso"), IFlowsheet.MessageType.Information)
Else
myUnitOp.DeCalculate()
gobj = myUnitOp.GraphicObject
myUnitOp.Calculated = False
gobj.Calculated = False
End If
End If
End If
If myObj.IsSpecAttached And myObj.SpecVarType = SpecVarType.Source Then fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
Case ObjectType.EnergyStream
Dim myObj = fbag.SimulationObjects(objArgs.Name)
myObj.Calculated = True
Dim gobj As IGraphicObject = myObj.GraphicObject
If Not gobj Is Nothing Then
If gobj.OutputConnectors(0).IsAttached = True And Not OnlyMe Then
Dim myUnitOp = fbag.SimulationObjects(myObj.GraphicObject.OutputConnectors(0).AttachedConnector.AttachedTo.Name)
If objArgs.Calculated = True Then
myUnitOp.GraphicObject.Calculated = False
myUnitOp.Calculated = True
If myUnitOp.IsSpecAttached = True Then
If myUnitOp.SpecVarType = SpecVarType.Target And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.BeforeTargetObject Then
fbag.SimulationObjects(myUnitOp.AttachedSpecId).Solve()
End If
End If
If fbag.DynamicMode Then
myUnitOp.RunDynamicModel()
Else
myUnitOp.Solve()
End If
For Each utility In myUnitOp.AttachedUtilities
If utility.AutoUpdate Then fbag.RunCodeOnUIThread(Sub() utility.Update())
Next
myUnitOp.Calculated = False
fgui.ShowMessage(gobj.Tag & ": " & fgui.GetTranslatedString("Calculadocomsucesso"), IFlowsheet.MessageType.Information)
myUnitOp.GraphicObject.Calculated = True
If myUnitOp.IsSpecAttached = True Then
If myUnitOp.SpecVarType = SpecVarType.Source And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.AfterSourceObject Then
fbag.SimulationObjects(myUnitOp.AttachedSpecId).Solve()
End If
End If
gobj = myUnitOp.GraphicObject
gobj.Calculated = True
Else
myUnitOp.DeCalculate()
myUnitOp.GraphicObject.Calculated = False
myUnitOp.Calculated = False
End If
End If
If myObj.IsSpecAttached And myObj.SpecVarType = SpecVarType.Source Then fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
Case Else
If objArgs.Sender = "Adjust" Or objArgs.Sender = "FlowsheetSolver" Then
Dim myObj As ISimulationObject = fbag.SimulationObjects(objArgs.Name)
myObj.GraphicObject.Calculated = False
myObj.Calculated = False
If myObj.IsSpecAttached = True Then
If myObj.SpecVarType = SpecVarType.Target And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.BeforeTargetObject Then
fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
End If
If fbag.DynamicMode Then
myObj.RunDynamicModel()
Else
myObj.Solve()
End If
For Each utility In myObj.AttachedUtilities
If utility.AutoUpdate Then fbag.RunCodeOnUIThread(Sub() utility.Update())
Next
myObj.Calculated = True
fgui.ShowMessage(objArgs.Tag & ": " & fgui.GetTranslatedString("Calculadocomsucesso"), IFlowsheet.MessageType.Information)
myObj.GraphicObject.Calculated = True
If myObj.IsSpecAttached = True Then
If myObj.SpecVarType = SpecVarType.Source And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.AfterSourceObject Then
fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
End If
Else
Dim myObj As ISimulationObject = fbag.SimulationObjects(objArgs.Name)
Dim gobj As IGraphicObject = myObj.GraphicObject
If myObj.IsSpecAttached = True Then
If myObj.SpecVarType = SpecVarType.Target And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.BeforeTargetObject Then
fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
End If
If Not OnlyMe Then
For Each cp As IConnectionPoint In gobj.OutputConnectors
If cp.IsAttached And cp.Type = ConType.ConOut Then
Dim obj = fbag.SimulationObjects(cp.AttachedConnector.AttachedTo.Name)
If obj.GraphicObject.ObjectType = ObjectType.MaterialStream Then
obj.GraphicObject.Calculated = False
obj.Calculated = False
If fbag.DynamicMode Then
obj.RunDynamicModel()
Else
obj.Solve()
End If
obj.Calculated = True
obj.GraphicObject.Calculated = True
End If
End If
Next
End If
If myObj.IsSpecAttached = True Then
If myObj.SpecVarType = SpecVarType.Source And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.AfterSourceObject Then
fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
End If
End If
End Select
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationFinished, Scripts.ObjectType.FlowsheetObject, objArgs.Name)
RaiseEvent UnitOpCalculationFinished(fobj, New System.EventArgs(), objArgs)
End Sub
''' <summary>
''' Calculates the flowsheet objects asynchronously. This function is always called from a task or a different thread other than UI's.
''' </summary>
''' <param name="fobj">Flowsheet to calculate (FormChild object).</param>
''' <param name="objArgs">A CalculationArgs object containing information about the object to be calculated and its current status.</param>
''' <param name="ct">The cancellation token, used to listen for calculation cancellation requests from the user.</param>
''' <remarks></remarks>
Public Shared Sub CalculateObjectAsync(ByVal fobj As Object, ByVal objArgs As CalculationArgs, ct As Threading.CancellationToken)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
If ct.IsCancellationRequested = True Then ct.ThrowIfCancellationRequested()
If objArgs.Sender = "FlowsheetSolver" Then
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationStarted, Scripts.ObjectType.FlowsheetObject, objArgs.Name)
Select Case objArgs.ObjectType
Case ObjectType.MaterialStream
Dim myObj = fbag.SimulationObjects(objArgs.Name)
RaiseEvent MaterialStreamCalculationStarted(fobj, New System.EventArgs(), myObj)
CalculateMaterialStreamAsync(fobj, myObj, ct)
RaiseEvent MaterialStreamCalculationFinished(fobj, New System.EventArgs(), myObj)
Case ObjectType.EnergyStream
Dim myObj = fbag.SimulationObjects(objArgs.Name)
If myObj.IsSpecAttached = True Then
If myObj.SpecVarType = SpecVarType.Target And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.BeforeTargetObject Then
fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.BeforeObject And spec.ReferenceObjectID = objArgs.Name Then
obj.Solve()
End If
Next
myObj.Solve()
If myObj.IsSpecAttached = True Then
If myObj.SpecVarType = SpecVarType.Source And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.AfterSourceObject Then
fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.AfterObject And spec.ReferenceObjectID = objArgs.Name Then
obj.Solve()
End If
Next
myObj.Calculated = True
Case Else
Dim myObj As ISimulationObject = fbag.SimulationObjects(objArgs.Name)
RaiseEvent UnitOpCalculationStarted(fobj, New System.EventArgs(), objArgs)
If myObj.IsSpecAttached = True Then
If myObj.SpecVarType = SpecVarType.Target And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.BeforeTargetObject Then
fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.BeforeObject And spec.ReferenceObjectID = objArgs.Name Then
obj.Solve()
End If
Next
If fbag.DynamicMode Then
myObj.RunDynamicModel()
Else
myObj.Solve()
End If
For Each utility In myObj.AttachedUtilities
If utility.AutoUpdate Then fbag.RunCodeOnUIThread(Sub() utility.Update())
Next
myObj.Calculated = True
If myObj.IsSpecAttached = True Then
If myObj.SpecVarType = SpecVarType.Source And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.AfterSourceObject Then
fbag.SimulationObjects(myObj.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.BeforeObject And spec.ReferenceObjectID = objArgs.Name Then
obj.Solve()
End If
Next
RaiseEvent UnitOpCalculationFinished(fobj, New System.EventArgs(), objArgs)
End Select
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationFinished, Scripts.ObjectType.FlowsheetObject, objArgs.Name)
End If
End Sub
''' <summary>
''' Material Stream calculation routine 1. This routine check all input values and calculates all remaining properties of the stream.
''' </summary>
''' <param name="fobj">Flowsheet to what the stream belongs to.</param>
''' <param name="ms">Material Stream object to be calculated.</param>
''' <param name="DoNotCalcFlash">Tells the calculator whether to do flash calculations or not.</param>
''' <remarks></remarks>
Public Shared Sub CalculateMaterialStream(ByVal fobj As Object, ByVal ms As ISimulationObject, Optional ByVal DoNotCalcFlash As Boolean = False, Optional ByVal OnlyMe As Boolean = False)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
ms.Calculated = False
RaiseEvent MaterialStreamCalculationStarted(fobj, New System.EventArgs(), ms)
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationStarted, Scripts.ObjectType.FlowsheetObject, ms.Name)
ms.GraphicObject.Calculated = False
If ms.IsSpecAttached = True Then
If ms.SpecVarType = SpecVarType.Target And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.BeforeTargetObject Then
fbag.SimulationObjects(ms.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.BeforeObject And spec.ReferenceObjectID = ms.Name Then
obj.Solve()
End If
Next
If fbag.DynamicMode Then
ms.RunDynamicModel()
Else
ms.Solve()
End If
If ms.IsSpecAttached = True Then
If ms.SpecVarType = SpecVarType.Source And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.AfterSourceObject Then
fbag.SimulationObjects(ms.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.AfterObject And spec.ReferenceObjectID = ms.Name Then
obj.Solve()
End If
Next
fgui.ShowMessage(ms.GraphicObject.Tag & ": " & fgui.GetTranslatedString("Calculadocomsucesso"), IFlowsheet.MessageType.Information)
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationFinished, Scripts.ObjectType.FlowsheetObject, ms.Name)
RaiseEvent MaterialStreamCalculationFinished(fobj, New System.EventArgs(), ms)
ms.LastUpdated = Date.Now
ms.Calculated = True
If Not OnlyMe Then
Dim objargs As New CalculationArgs
With objargs
.Calculated = True
.Name = ms.Name
.ObjectType = ObjectType.MaterialStream
End With
CalculateObject(fobj, objargs, Nothing)
End If
End Sub
''' <summary>
''' Calculates a material stream object asynchronously. This function is always called from a task or a different thread other than UI's.
''' </summary>
''' <param name="fobj">Flowsheet to what the stream belongs to.</param>
''' <param name="ms">Material Stream object to be calculated.</param>
''' <param name="ct">The cancellation token, used to listen for calculation cancellation requests from the user.</param>
''' <remarks></remarks>
Public Shared Sub CalculateMaterialStreamAsync(ByVal fobj As Object, ByVal ms As ISimulationObject, ct As Threading.CancellationToken)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
If ct.IsCancellationRequested = True Then ct.ThrowIfCancellationRequested()
ms.Calculated = False
RaiseEvent MaterialStreamCalculationStarted(fobj, New System.EventArgs(), ms)
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationStarted, Scripts.ObjectType.FlowsheetObject, ms.Name)
If ms.IsSpecAttached = True Then
If ms.SpecVarType = SpecVarType.Target And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.BeforeTargetObject Then
fbag.SimulationObjects(ms.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.BeforeObject And spec.ReferenceObjectID = ms.Name Then
obj.Solve()
End If
Next
If fbag.DynamicMode Then
ms.RunDynamicModel()
Else
ms.Solve()
End If
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationFinished, Scripts.ObjectType.FlowsheetObject, ms.Name)
RaiseEvent MaterialStreamCalculationFinished(fobj, New System.EventArgs(), ms)
If ms.IsSpecAttached = True Then
If ms.SpecVarType = SpecVarType.Source And fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.AfterSourceObject Then
fbag.SimulationObjects(ms.AttachedSpecId).Solve()
End If
End If
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.BeforeObject And spec.ReferenceObjectID = ms.Name Then
obj.Solve()
End If
Next
ms.LastUpdated = Date.Now
ms.Calculated = True
End Sub
''' <summary>
''' Process the calculation queue of the Flowsheet passed as an argument. Checks all elements in the queue and calculates them.
''' </summary>
''' <param name="fobj">Flowsheet to be calculated (FormChild object)</param>
''' <remarks></remarks>
Public Shared Function ProcessCalculationQueue(ByVal fobj As Object, Optional ByVal ct As Threading.CancellationToken = Nothing,
Optional ByVal Adjusting As Boolean = False) As List(Of Exception)
Dim exlist As New List(Of Exception)
exlist = ProcessQueueInternalAsync(fobj, ct)
If Not Adjusting Then SolveSimultaneousAdjustsAsync(fobj, ct)
Return exlist
End Function
Private Shared Sub CheckExceptionForAdditionalInfo(ex As Exception)
If Not ex.Data.Contains("DetailedDescription") Then
ex.Data.Add("DetailedDescription", "This error was raised during the calculation of a Unit Operation or Material Stream.")
End If
If Not ex.Data.Contains("UserAction") Then
ex.Data.Add("UserAction", "Check input parameters. If this error keeps occurring, try another Property Package and/or Flash Algorithm.")
End If
End Sub
''' <summary>
''' This is the internal routine called by ProcessCalculationQueue when the UI thread is used to calculate the flowsheet.
''' </summary>
''' <param name="fobj">Flowsheet to be calculated (FormChild object)</param>
''' <param name="Isolated">Tells to the calculator that only the objects in the queue must be calculated without checking the outlet connections, that is, no more objects will be added to the queue</param>
''' <param name="FlowsheetSolverMode">Only objects added by the flowsheet solving routine to the queue will be calculated.</param>
''' <param name="ct">The cancellation token, used to listen for calculation cancellation requests from the user.</param>
''' <remarks></remarks>
Private Shared Function ProcessQueueInternal(ByVal fobj As Object, Optional ByVal Isolated As Boolean = False, Optional ByVal FlowsheetSolverMode As Boolean = False, Optional ByVal ct As Threading.CancellationToken = Nothing) As List(Of Exception)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
Dim d0 As Date = Date.Now
Dim loopex As New List(Of Exception)
While fqueue.CalculationQueue.Count >= 1
If ct.IsCancellationRequested = True Then ct.ThrowIfCancellationRequested()
Dim myinfo As CalculationArgs = fqueue.CalculationQueue.Peek()
RaiseEvent CalculatingObject(myinfo)
If fbag.SimulationObjects.ContainsKey(myinfo.Name) Then
Dim myobj = fbag.SimulationObjects(myinfo.Name)
Try
myobj.GraphicObject.Status = Status.Calculating
myobj.ErrorMessage = ""
If myobj.GraphicObject.Active Then
If FlowsheetSolverMode Then
If myinfo.Sender = "FlowsheetSolver" Then
If myinfo.ObjectType = ObjectType.MaterialStream Then
CalculateMaterialStream(fobj, fbag.SimulationObjects(myinfo.Name), , Isolated)
Else
CalculateObject(fobj, myinfo, Nothing, Isolated)
End If
End If
Else
If myinfo.ObjectType = ObjectType.MaterialStream Then
CalculateMaterialStream(fobj, fbag.SimulationObjects(myinfo.Name), , Isolated)
Else
CalculateObject(fobj, myinfo, Nothing, Isolated)
End If
End If
For Each au In myobj.AttachedUtilities
If au.AutoUpdate Then fbag.RunCodeOnUIThread(Sub() au.Update())
Next
myobj.GraphicObject.Calculated = True
myobj.LastUpdated = Date.Now
myobj.UpdateEditForm()
If fbag.DynamicMode Then myobj.UpdateDynamicsEditForm()
End If
myobj.GraphicObject.Status = Status.Calculated
Catch ex As AggregateException
myobj.GraphicObject.Status = Status.ErrorCalculating
RaiseEvent CalculationError(myinfo, New EventArgs(), ex)
myobj.ErrorMessage = ""
For Each iex In ex.InnerExceptions
If TypeOf iex Is AggregateException Then
For Each iex2 In DirectCast(iex, AggregateException).InnerExceptions
If TypeOf iex2 Is AggregateException Then
For Each iex3 In DirectCast(iex2, AggregateException).InnerExceptions
If TypeOf iex3 Is AggregateException Then
For Each iex4 In DirectCast(iex3, AggregateException).InnerExceptions
myobj.ErrorMessage += iex4.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex4)
iex4.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex4.Message, iex4))
Next
Else
myobj.ErrorMessage += iex3.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex3)
iex3.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex3.Message, iex3))
End If
Next
Else
myobj.ErrorMessage += iex2.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex2)
iex2.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex2.Message, iex2))
End If
Next
Else
myobj.ErrorMessage += iex.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex)
iex.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex.Message, iex))
End If
Next
If GlobalSettings.Settings.SolverBreakOnException Then Exit While
Catch ex As Exception
myobj.GraphicObject.Status = Status.ErrorCalculating
RaiseEvent CalculationError(myinfo, New EventArgs(), ex)
myobj.ErrorMessage = ex.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(ex)
ex.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & ex.Message))
If GlobalSettings.Settings.SolverBreakOnException Then Exit While
Finally
fgui.UpdateInterface()
End Try
End If
CheckCalculatorStatus()
If fqueue.CalculationQueue.Count > 0 Then fqueue.CalculationQueue.Dequeue()
End While
fgui.ShowMessage(fgui.GetTranslatedString("Runtime") & " (s): " & (Date.Now - d0).TotalSeconds.ToString("G4"), IFlowsheet.MessageType.Information)
Return loopex
End Function
''' <summary>
''' This is the internal routine called by ProcessCalculationQueue when a background thread is used to calculate the flowsheet.
''' </summary>
''' <param name="fobj">Flowsheet to be calculated (FormChild object)</param>
''' <param name="ct">The cancellation token, used to listen for calculation cancellation requests from the user.</param>
''' <remarks></remarks>
Private Shared Function ProcessQueueInternalAsync(ByVal fobj As Object, ByVal ct As Threading.CancellationToken) As List(Of Exception)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
Dim d0 As Date = Date.Now
Dim loopex As New List(Of Exception)
While fqueue.CalculationQueue.Count >= 1
If ct.IsCancellationRequested = True Then ct.ThrowIfCancellationRequested()
Dim myinfo As CalculationArgs = fqueue.CalculationQueue.Peek()
RaiseEvent CalculatingObject(myinfo)
'fobj.UIThread(Sub() UpdateDisplayStatus(fobj, New String() {myinfo.Name}, True))
Dim myobj = fbag.SimulationObjects(myinfo.Name)
Dim IObj As Inspector.InspectorItem = Inspector.Host.GetNewInspectorItem()
Inspector.SetCurrent(Nothing)
IObj?.Paragraphs.Add("This is the main routine for the calculation of a single object. Check the nested items for model details.")
Try
myobj.GraphicObject.Status = Status.Calculating
myobj.ErrorMessage = ""
If myobj.GraphicObject.Active Then
If myinfo.ObjectType = ObjectType.MaterialStream Then
CalculateMaterialStreamAsync(fobj, myobj, ct)
Else
CalculateObjectAsync(fobj, myinfo, ct)
End If
For Each au In myobj.AttachedUtilities
If au.AutoUpdate Then fbag.RunCodeOnUIThread(Sub() au.Update())
Next
myobj.GraphicObject.Calculated = True
myobj.LastUpdated = Date.Now
End If
myobj.GraphicObject.Status = Status.Calculated
Catch ex As AggregateException
myobj.GraphicObject.Status = Status.ErrorCalculating
RaiseEvent CalculationError(myinfo, New EventArgs(), ex)
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationError, Scripts.ObjectType.FlowsheetObject, myobj.Name)
myobj.ErrorMessage = ""
For Each iex In ex.InnerExceptions
If TypeOf iex Is AggregateException Then
For Each iex2 In DirectCast(iex, AggregateException).InnerExceptions
If TypeOf iex2 Is AggregateException Then
For Each iex3 In DirectCast(iex2, AggregateException).InnerExceptions
If TypeOf iex3 Is AggregateException Then
For Each iex4 In DirectCast(iex3, AggregateException).InnerExceptions
myobj.ErrorMessage += iex4.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex4)
iex4.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex4.Message, iex4))
Next
Else
myobj.ErrorMessage += iex3.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex3)
iex3.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex3.Message, iex3))
End If
Next
Else
myobj.ErrorMessage += iex2.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex2)
iex2.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex2.Message, iex2))
End If
Next
Else
myobj.ErrorMessage += iex.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex)
iex.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex.Message, iex))
End If
Next
If GlobalSettings.Settings.SolverBreakOnException Then Exit While
Catch ex As Exception
myobj.GraphicObject.Status = Status.ErrorCalculating
RaiseEvent CalculationError(myinfo, New EventArgs(), ex)
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationError, Scripts.ObjectType.FlowsheetObject, myobj.Name)
myobj.ErrorMessage = ex.Message.ToString
CheckExceptionForAdditionalInfo(ex)
ex.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & ex.Message, ex))
If GlobalSettings.Settings.SolverBreakOnException Then Exit While
Finally
fgui.UpdateInterface()
End Try
IObj?.Close()
If fqueue.CalculationQueue.Count > 0 Then fqueue.CalculationQueue.Dequeue()
End While
Return loopex
End Function
''' <summary>
''' This is the internal routine called by ProcessCalculationQueue when background parallel threads are used to calculate the flowsheet.
''' </summary>
''' <param name="fobj">Flowsheet to be calculated (FormChild object)</param>
''' <param name="ct">The cancellation token, used to listen for calculation cancellation requests from the user.</param>
''' <remarks></remarks>
Private Shared Function ProcessQueueInternalAsyncParallel(ByVal fobj As Object, ByVal orderedlist As Dictionary(Of Integer, List(Of CalculationArgs)), ct As Threading.CancellationToken) As List(Of Exception)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
Dim loopex As New Concurrent.ConcurrentBag(Of Exception)
For Each obj In fbag.SimulationObjects.Values
If TypeOf obj Is IMaterialStream Then
DirectCast(obj, IMaterialStream).SetPropertyPackageObject(DirectCast(obj, IMaterialStream).GetPropertyPackageObjectCopy)
DirectCast(obj, IMaterialStream).SetCurrentMaterialStream(obj)
ElseIf TypeOf obj Is ISimulationObject Then
obj.PropertyPackage = Nothing
obj.PropertyPackage = DirectCast(obj, ISimulationObject).PropertyPackage.Clone()
End If
Next
For Each li In orderedlist
Dim objlist As New ArrayList
For Each item In li.Value
objlist.Add(item.Name)
Next
Parallel.ForEach(li.Value, Sub(myinfo, state)
If ct.IsCancellationRequested = True Then ct.ThrowIfCancellationRequested()
Dim myobj = fbag.SimulationObjects(myinfo.Name)
myobj.ErrorMessage = ""
myobj.GraphicObject.Status = Status.Calculating
Try
If myobj.GraphicObject.Active Then
If myinfo.ObjectType = ObjectType.MaterialStream Then
CalculateMaterialStreamAsync(fobj, myobj, ct)
Else
CalculateObjectAsync(fobj, myinfo, ct)
End If
For Each au In myobj.AttachedUtilities
If au.AutoUpdate Then fbag.RunCodeOnUIThread(Sub() au.Update())
Next
myobj.GraphicObject.Calculated = True
myobj.LastUpdated = Date.Now
myobj.UpdateEditForm()
If fbag.DynamicMode Then myobj.UpdateDynamicsEditForm()
End If
myobj.GraphicObject.Status = Status.Calculated
Catch ex As AggregateException
myobj.GraphicObject.Status = Status.ErrorCalculating
RaiseEvent CalculationError(myinfo, New EventArgs(), ex)
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationError, Scripts.ObjectType.FlowsheetObject, myobj.Name)
myobj.ErrorMessage = ""
For Each iex In ex.InnerExceptions
If TypeOf iex Is AggregateException Then
For Each iex2 In DirectCast(iex, AggregateException).InnerExceptions
If TypeOf iex2 Is AggregateException Then
For Each iex3 In DirectCast(iex2, AggregateException).InnerExceptions
If TypeOf iex3 Is AggregateException Then
For Each iex4 In DirectCast(iex3, AggregateException).InnerExceptions
myobj.ErrorMessage += iex4.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex4)
iex4.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex4.Message, iex4))
Next
Else
myobj.ErrorMessage += iex3.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex3)
iex3.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex3.Message, iex3))
End If
Next
Else
myobj.ErrorMessage += iex2.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex2)
iex2.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex2.Message, iex2))
End If
Next
Else
myobj.ErrorMessage += iex.Message.ToString & vbCrLf
CheckExceptionForAdditionalInfo(iex)
iex.Source = myinfo.Tag
loopex.Add(New Exception(myinfo.Tag & ": " & iex.Message, iex))
End If
Next
If GlobalSettings.Settings.SolverBreakOnException Then state.Break()
Catch ex As Exception
myobj.GraphicObject.Status = Status.ErrorCalculating
RaiseEvent CalculationError(myinfo, New EventArgs(), ex)
fgui.ProcessScripts(Scripts.EventType.ObjectCalculationError, Scripts.ObjectType.FlowsheetObject, myobj.Name)
myobj.ErrorMessage = ex.Message.ToString
CheckExceptionForAdditionalInfo(ex)
loopex.Add(New Exception(myinfo.Tag & ": " & ex.Message, ex))
ex.Source = myinfo.Tag
If GlobalSettings.Settings.SolverBreakOnException Then state.Break()
Finally
fgui.UpdateInterface()
End Try
End Sub)
Next
For Each obj In fbag.SimulationObjects.Values
If TypeOf obj Is ISimulationObject Then
DirectCast(obj, ISimulationObject).PropertyPackage = Nothing
ElseIf TypeOf obj Is IMaterialStream Then
DirectCast(obj, ISimulationObject).PropertyPackage = Nothing
End If
Next
Return loopex.ToList
End Function
''' <summary>
''' Checks the calculator status to see if the user did any stop/abort request, and throws an exception to force aborting, if necessary.
''' </summary>
''' <remarks></remarks>
Public Shared Sub CheckCalculatorStatus()
If Not Settings.CAPEOPENMode Then
If Settings.CalculatorStopRequested = True Then
If Settings.TaskCancellationTokenSource IsNot Nothing Then
If Not Settings.TaskCancellationTokenSource.IsCancellationRequested Then
Settings.TaskCancellationTokenSource.Cancel()
End If
Settings.TaskCancellationTokenSource.Token.ThrowIfCancellationRequested()
Else
Throw New Exception("Calculation Aborted")
End If
End If
Settings.TaskCancellationTokenSource?.Token.ThrowIfCancellationRequested()
End If
End Sub
''' <summary>
''' This routine updates the display status of a list of graphic objects in the flowsheet according to their calculated status.
''' </summary>
''' <param name="fobj">Flowsheet to be calculated (FormChild object).</param>
''' <param name="ObjIDlist">List of object IDs to be updated.</param>
''' <param name="calculating">Tell the routine that the objects in the list are being calculated at the moment.</param>
''' <remarks></remarks>
Shared Sub UpdateDisplayStatus(fobj As Object, Optional ByVal ObjIDlist() As String = Nothing, Optional ByVal calculating As Boolean = False)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
If ObjIDlist Is Nothing Then
For Each baseobj In fbag.SimulationObjects.Values
If Not baseobj.GraphicObject Is Nothing Then
If Not baseobj.GraphicObject.Active Then
baseobj.GraphicObject.Status = Status.Inactive
Else
baseobj.GraphicObject.Calculated = baseobj.Calculated
'If baseobj.Calculated Then baseobj.UpdatePropertyNodes(fobj.Options.SelectedUnitSystem, fobj.Options.NumberFormat)
End If
End If
Next
Else
For Each ObjID In ObjIDlist
If fbag.SimulationObjects.ContainsKey(ObjID) Then
Dim baseobj = fbag.SimulationObjects(ObjID)
If Not baseobj.GraphicObject Is Nothing Then
If calculating Then
baseobj.GraphicObject.Status = Status.Calculating
Else
If Not baseobj.GraphicObject.Active Then
baseobj.GraphicObject.Status = Status.Inactive
Else
baseobj.GraphicObject.Calculated = baseobj.Calculated
'If baseobj.Calculated Then baseobj.UpdatePropertyNodes(fobj.Options.SelectedUnitSystem, fobj.Options.NumberFormat)
End If
End If
End If
End If
Next
End If
'fobj.UIThread(Sub()
' fobj.FormSurface.FlowsheetDesignSurface.Invalidate()
' End Sub)
End Sub
''' <summary>
''' Retrieves the list of objects to be solved in the flowsheet.
''' </summary>
''' <param name="fobj">Flowsheet to be calculated (FormChild object)</param>
''' <param name="frompgrid">Starts the search from the edited object if the propert was changed from the property grid.</param>
''' <returns>A list of objects to be calculated in the flowsheet.</returns>
''' <remarks></remarks>
Public Shared Function GetSolvingList(fobj As Object, frompgrid As Boolean) As Object()
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
Dim obj As ISimulationObject
Dim lists As New Dictionary(Of Integer, List(Of String))
Dim filteredlist As New Dictionary(Of Integer, List(Of String))
Dim objstack As New List(Of String)
Dim onqueue As CalculationArgs = Nothing
Dim listidx As Integer = 0
Dim maxidx As Integer = 0
If frompgrid Then
If fqueue.CalculationQueue.Count > 0 Then
onqueue = fqueue.CalculationQueue.Dequeue()
fqueue.CalculationQueue.Clear()
lists.Add(0, New List(Of String))
lists(0).Add(onqueue.Name)
'now start walking through the flowsheet until it reaches its end starting from this particular object.
Do
listidx += 1
If lists(listidx - 1).Count > 0 Then
lists.Add(listidx, New List(Of String))
maxidx = listidx
For Each o As String In lists(listidx - 1)
obj = fbag.SimulationObjects(o)
If obj.GraphicObject.Active Then
For Each c As IConnectionPoint In obj.GraphicObject.OutputConnectors
If c.IsAttached Then
If obj.GraphicObject.ObjectType = ObjectType.OT_Recycle Or obj.GraphicObject.ObjectType = ObjectType.OT_EnergyRecycle Then Exit For
lists(listidx).Add(c.AttachedConnector.AttachedTo.Name)
End If
Next
If obj.GraphicObject.EnergyConnector.IsAttached AndAlso obj.GraphicObject.EnergyConnector.AttachedConnector.AttachedTo IsNot obj Then
lists(listidx).Add(obj.GraphicObject.EnergyConnector.AttachedConnector.AttachedTo.Name)
End If
End If
Next
Else
Exit Do
End If
If lists.Count > 10000 Then
lists.Clear()
GlobalSettings.Settings.CalculatorBusy = False
Throw New Exception("Infinite loop detected while obtaining flowsheet object calculation order. Please insert recycle blocks where needed.")
End If
Loop
'process the lists , adding objects to the stack, discarding duplicate entries.
listidx = 0
Do
If lists.ContainsKey(listidx) Then
filteredlist.Add(listidx, New List(Of String)(lists(listidx).ToArray))
For Each o As String In lists(listidx)
objstack.Add(o)
Next
Else
Exit Do
End If
listidx += 1
Loop Until listidx > maxidx
objstack.Reverse()
objstack = objstack.Distinct().ToList()
objstack.Reverse()
End If
Else
'add endpoint material streams and recycle ops to the list, they will be the last objects to be calculated.
lists.Add(0, New List(Of String))
For Each baseobj In fbag.SimulationObjects.Values
If baseobj.GraphicObject.ObjectType = ObjectType.MaterialStream Then
If baseobj.GraphicObject.OutputConnectors(0).IsAttached = False Then
lists(0).Add(baseobj.Name)
End If
ElseIf baseobj.GraphicObject.ObjectType = ObjectType.EnergyStream Then
If baseobj.GraphicObject.OutputConnectors(0).IsAttached = False Then
lists(0).Add(baseobj.Name)
End If
ElseIf baseobj.GraphicObject.ObjectType = ObjectType.OT_Recycle Then
lists(0).Add(baseobj.Name)
ElseIf baseobj.GraphicObject.ObjectType = ObjectType.OT_EnergyRecycle Then
lists(0).Add(baseobj.Name)
ElseIf baseobj.IsSource Then
lists(0).Add(baseobj.Name)
End If
Next
'now start processing the list at each level, until it reaches the beginning of the flowsheet.
Dim totalobjs As Integer = 0
Do
listidx += 1
If lists(listidx - 1).Count > 0 Then
lists.Add(listidx, New List(Of String))
maxidx = listidx
For Each o As String In lists(listidx - 1)
If fbag.SimulationObjects.ContainsKey(o) Then
obj = fbag.SimulationObjects(o)
If Not onqueue Is Nothing Then
If onqueue.Name = obj.Name Then Exit Do
End If
For Each c As IConnectionPoint In obj.GraphicObject.InputConnectors
If c.IsAttached Then
If c.AttachedConnector.AttachedFrom.ObjectType <> ObjectType.OT_Recycle And
c.AttachedConnector.AttachedFrom.ObjectType <> ObjectType.OT_EnergyRecycle Then
lists(listidx).Add(c.AttachedConnector.AttachedFrom.Name)
totalobjs += 1
If totalobjs > 10000 Then
Throw New Exception("Infinite loop detected while obtaining flowsheet object calculation order. Please insert recycle blocks where needed.")
End If
End If
End If
Next
End If
Next
Else
Exit Do
End If
Loop
'process the lists backwards, adding objects to the stack, discarding duplicate entries.
listidx = maxidx
Do
If lists.ContainsKey(listidx) Then
filteredlist.Add(maxidx - listidx, New List(Of String)(lists(listidx).ToArray))
For Each o As String In lists(listidx)
If Not objstack.Contains(o) Then
objstack.Add(o)
Else
filteredlist(maxidx - listidx).Remove(o)
End If
Next
Else
Exit Do
End If
listidx -= 1
Loop
'special loop for batch unit ops in dynamic mode
If fbag.DynamicMode Then
For Each baseobj In fbag.SimulationObjects.Values
If TypeOf baseobj Is IUnitOperation AndAlso baseobj.SupportsDynamicMode Then
Dim inletconnected = baseobj.GraphicObject.InputConnectors.Where(Function(c) c.IsAttached).Count
Dim outletconnected = baseobj.GraphicObject.OutputConnectors.Where(Function(c) c.IsAttached).Count
Dim n_inlets = baseobj.GraphicObject.InputConnectors.Count
Dim n_outlets = baseobj.GraphicObject.OutputConnectors.Count
If inletconnected = 0 And outletconnected = 0 And (n_inlets + n_outlets) > 0 Then
objstack.Add(baseobj.Name)
End If
End If
Next
End If
End If
Return New Object() {objstack, lists, filteredlist}
End Function
''' <summary>
''' Calculate all objects in the Flowsheet using an ordering method.
''' </summary>
''' <param name="fobj">Flowsheet to be calculated (FormFlowsheet object).</param>
''' <param name="Adjusting">True if the routine is called from the Simultaneous Adjust Solver.</param>
''' <param name="frompgrid">True if the routine is called from a PropertyGrid PropertyChanged event.</param>
''' <param name="mode">0 = Main Thread, 1 = Background Thread, 2 = Background Parallel Threads, 3 = Azure Service Bus, 4 = Network Computer</param>
''' <param name="ts">CancellationTokenSource instance from main flowsheet when calculating subflowsheets.</param>
''' <remarks></remarks>
Public Shared Function SolveFlowsheet(ByVal fobj As Object, mode As Integer, Optional ByVal ts As CancellationTokenSource = Nothing,
Optional frompgrid As Boolean = False, Optional Adjusting As Boolean = False,
Optional ByVal FinishSuccess As Action = Nothing,
Optional ByVal FinishWithErrors As Action = Nothing,
Optional ByVal FinishAny As Action = Nothing,
Optional ByVal ChangeCalcOrder As Boolean = False) As List(Of Exception)
GlobalSettings.Settings.LockModelParameters = True
If GlobalSettings.Settings.CalculatorActivated Then
Dim fs As IFlowsheet = TryCast(fobj, IFlowsheet)
If fs.MasterFlowsheet Is Nothing And GlobalSettings.Settings.CalculatorBusy And Not Adjusting Then
FinishAny?.Invoke()
GlobalSettings.Settings.CalculatorBusy = False
Return New List(Of Exception)
End If
Inspector.Host.CurrentSolutionID = Date.Now.ToBinary
If GlobalSettings.Settings.InspectorEnabled Then
GlobalSettings.Settings.EnableParallelProcessing = False
mode = 1
End If
'clears any previous calculation stop request.
Settings.CalculatorStopRequested = False
Dim IObj As Inspector.InspectorItem = Inspector.Host.GetNewInspectorItem()
Inspector.Host.CheckAndAdd(IObj, "", "SolveFlowsheet", "Solver Call", "Flowsheet Solver Call Event")
IObj?.Paragraphs.Add("The Flowsheet Solver controls the calculation of the entire flowsheet.")
IObj?.Paragraphs.Add("When the user requests a flowsheet calculation, it tries to determine the order of the objects to be calculated.")
If fs.PropertyPackages.Count = 0 Then
Dim el = New List(Of Exception)
el.Add(New Exception(fs.GetTranslatedString("NoPropPackAdded")))
fs.ShowMessage(fs.GetTranslatedString("NoPropPackAdded"), IFlowsheet.MessageType.GeneralError)
Return el
End If
If fs.SelectedCompounds.Count = 0 Then
Dim el = New List(Of Exception)
el.Add(New Exception(fs.GetTranslatedString("NoCompoundsAdded")))
fs.ShowMessage(fs.GetTranslatedString("NoCompoundsAdded"), IFlowsheet.MessageType.GeneralError)
Return el
End If
If Not fs Is Nothing Then
If fs.MasterFlowsheet Is Nothing And Not Adjusting And GlobalSettings.Settings.CalculatorBusy Then
FinishAny?.Invoke()
GlobalSettings.Settings.CalculatorBusy = False
Return New List(Of Exception)
End If
End If
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
'checks if the calculator is activated.
If fs.MasterFlowsheet Is Nothing Then GlobalSettings.Settings.CalculatorBusy = True
'this is the cancellation token for background threads. it checks for calculator stop requests and forwards the request to the tasks.
If fs IsNot Nothing AndAlso fs.MasterFlowsheet Is Nothing Then
If ts Is Nothing Then ts = New CancellationTokenSource
Settings.TaskCancellationTokenSource = ts
End If
Dim obj As ISimulationObject
'mode:
'0 = Synchronous (main thread)
'1 = Asynchronous (background thread)
'2 = Asynchronous Parallel (background thread)
'3 = Azure Service Bus
'4 = Network Computer
Dim d1 As Date = Date.Now
Dim age As AggregateException = Nothing
Dim exlist As New List(Of Exception)
'gets a list of objects to be solved in the flowsheet
Dim objl As Object()
Try
objl = GetSolvingList(fobj, frompgrid)
Catch ex As Exception
FinishAny?.Invoke()
FinishWithErrors?.Invoke()
Settings.CalculatorBusy = False
Dim euid As String = Guid.NewGuid().ToString()
ExceptionProcessing.ExceptionList.Exceptions.Add(euid, ex)
fgui.ShowMessage(ex.Message, IFlowsheet.MessageType.GeneralError, euid)
IObj?.Paragraphs.Add(ex.Message)
RaiseEvent FlowsheetCalculationFinished(fobj, New System.EventArgs(), New List(Of Exception)({ex}))
Return New List(Of Exception)({ex})
End Try
'assign the list of objects, the filtered list (which contains no duplicate elements) and the object stack
'which contains the ordered list of objects to be calculated.
Dim objstack As List(Of String) = objl(0)
If ChangeCalcOrder Then
If mode = 0 Or mode = 1 Then
fgui.RunCodeOnUIThread(Sub()
Dim customlist = fgui.FlowsheetOptions.CustomCalculationOrder
Dim reflist = New List(Of String)(customlist)
If customlist.Count > 0 Then
For Each item In reflist
If Not objstack.Contains(item) Then
customlist.Remove(item)
End If
Next
For Each item In objstack
If Not customlist.Contains(item) Then
customlist.Add(item)
End If
Next
objstack = fgui.ChangeCalculationOrder(customlist)
Else
objstack = fgui.ChangeCalculationOrder(objstack)
End If
fgui.FlowsheetOptions.CustomCalculationOrder = New List(Of String)(objstack)
End Sub)
End If
End If
IObj?.Paragraphs.Add("The objects which will be calculated are (in this order): ")
If IObj IsNot Nothing Then
For Each item In objstack
IObj.Paragraphs.Add(fbag.SimulationObjects(item).GraphicObject.Tag & " (" & fbag.SimulationObjects(item).GetDisplayName & ")")
Next
End If
If objstack.Count = 0 Then
Settings.CalculatorBusy = False
FinishAny?.Invoke()
Return New List(Of Exception)
End If
fs.Solved = False
fs.ErrorMessage = ""
'adds a message to the log window to indicate that the flowsheet started solving
fgui.ShowMessage(fgui.GetTranslatedString("FSstartedsolving"), IFlowsheet.MessageType.Information)
If fgui.FlowsheetOptions.ForceStreamPhase <> ForcedPhase.None Then
fgui.ShowMessage(fgui.GetTranslatedString(String.Format("Global Phase Override is defined to '{0}'",
fgui.FlowsheetOptions.ForceStreamPhase)), IFlowsheet.MessageType.Warning)
End If
'process scripts associated with the solverstarted event
fgui.ProcessScripts(Scripts.EventType.SolverStarted, Scripts.ObjectType.Solver, "")
'call spreadsheet update to get values when in write mode
fs.UpdateSpreadsheet(Nothing)
fs.WriteSpreadsheetVariables(Nothing)
RaiseEvent FlowsheetCalculationStarted(fobj, New System.EventArgs(), Nothing)
'find recycles
IObj?.Paragraphs.Add("The solver will now check for Recycles connected to 'tear' Material Streams...")
Dim recycles As New List(Of String)
Dim totalv As Integer = 0
Dim totalr As Integer = 0
For Each r In objstack
If fbag.SimulationObjects.ContainsKey(r) Then
Dim robj = fbag.SimulationObjects(r)
If robj.GraphicObject.ObjectType = ObjectType.OT_Recycle Then
recycles.Add(robj.Name)
Dim rec As IRecycle = fbag.SimulationObjects(robj.Name)
If rec.AccelerationMethod = AccelMethod.GlobalBroyden Then
If rec.Values.Count = 0 Then fbag.SimulationObjects(robj.Name).Solve()
totalv += rec.Values.Count
End If
totalr += 1
End If
End If
Next
IObj?.Paragraphs.Add(String.Format("Number of Recycles found: {0}.", totalr))
'size hessian matrix, variables and error vectors for recycle simultaneous solving.
Dim rechess(totalv - 1, totalv - 1), recvars(totalv - 1), recdvars(totalv - 1), recerrs(totalv - 1), recvarsb(totalv - 1), recerrsb(totalv - 1) As Double
'identity matrix as first hessian.
For i As Integer = 0 To totalv - 1
rechess(i, i) = 1
Next
Dim maintask As Task
Select Case mode
Case 0, 1, 2
If mode = 0 Then mode = 1
'0 = main thread, 1 = bg thread, 2 = bg parallel threads
'define variable to check for flowsheet convergence if there are recycle ops
Dim converged As Boolean = False
Dim loopidx As Integer = 0
'process/calculate the queue.
If fqueue.CalculationQueue Is Nothing Then fqueue.CalculationQueue = New Queue(Of ICalculationArgs)
'My.Application.MasterCalculatorStopRequested = False
Dim objargs As CalculationArgs = Nothing
maintask = TaskHelper.Run(Sub()
Dim icount As Integer = 0
While Not converged
fgui.ClearLog()
'calc specs
If fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.BeforeFlowsheet Then
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.GlobalSetting Or spec.SpecCalculationMode = SpecCalcMode2.BeforeFlowsheet Then
obj.Solve()
End If
Next
End If
'add the objects to the calculation queue.
For Each o As String In objstack
If fbag.SimulationObjects.ContainsKey(o) Then
obj = fbag.SimulationObjects(o)
If obj.GraphicObject.ObjectType = ObjectType.MaterialStream Then
Dim ms As IMaterialStream = fbag.SimulationObjects(obj.Name)
ms.AtEquilibrium = False
End If
objargs = New CalculationArgs
With objargs
.Sender = "FlowsheetSolver"
.Calculated = True
.Name = obj.Name
.ObjectType = obj.GraphicObject.ObjectType
.Tag = obj.GraphicObject.Tag
fqueue.CalculationQueue.Enqueue(objargs)
End With
End If
Next
'set the flowsheet instance for all objects, this is required for the async threads
For Each o In fbag.SimulationObjects.Values
o.SetFlowsheet(fobj)
Next
'set all objects' status to 'not calculated' (red) in the list
For Each o In objstack
obj = fbag.SimulationObjects(o)
With obj
.Calculated = False
If Not obj.GraphicObject Is Nothing Then
If obj.GraphicObject.Active Then
obj.GraphicObject.Calculated = False
Else
fgui.ShowMessage(obj.GraphicObject.Tag & ": " & fgui.GetTranslatedString("ObjDeactivated"), IFlowsheet.MessageType.Warning)
obj.GraphicObject.Status = Status.Inactive
End If
End If
End With
Next
exlist = ProcessCalculationQueue(fobj, Settings.TaskCancellationTokenSource.Token, Adjusting)
'calc specs
If fbag.FlowsheetOptions.SpecCalculationMode = SpecCalcMode.AfterFlowsheet Then
For Each obj In fbag.SimulationObjects.Values.Where(Function(o) TypeOf o Is ISpec)
Dim spec = DirectCast(obj, ISpec)
If spec.SpecCalculationMode = SpecCalcMode2.GlobalSetting Or spec.SpecCalculationMode = SpecCalcMode2.AfterFlowsheet Then
obj.Solve()
End If
Next
'calc again
'add the objects to the calculation queue.
For Each o As String In objstack
If fbag.SimulationObjects.ContainsKey(o) Then
obj = fbag.SimulationObjects(o)
If obj.GraphicObject.ObjectType = ObjectType.MaterialStream Then
Dim ms As IMaterialStream = fbag.SimulationObjects(obj.Name)
ms.AtEquilibrium = False
End If
objargs = New CalculationArgs
With objargs
.Sender = "FlowsheetSolver"
.Calculated = True
.Name = obj.Name
.ObjectType = obj.GraphicObject.ObjectType
.Tag = obj.GraphicObject.Tag
fqueue.CalculationQueue.Enqueue(objargs)
End With
End If
Next
exlist = ProcessCalculationQueue(fobj, Settings.TaskCancellationTokenSource.Token, Adjusting)
End If
'throws exceptions if any
If Settings.SolverBreakOnException And exlist.Count > 0 Then
Throw New AggregateException(exlist)
End If
'checks for recycle convergence.
converged = True
For Each r As String In recycles
obj = fbag.SimulationObjects(r)
converged = DirectCast(obj, IRecycle).Converged
If Not converged Then Exit For
Next
'in dynamic mode, recycles are redundant
If fbag.DynamicMode Then converged = True
If Not converged Then
Dim avgerr As Double = 0.0#
Dim rcount As Integer = 0
For Each r As String In recycles
obj = fbag.SimulationObjects(r)
With DirectCast(obj, IRecycle)
avgerr += 0.33 * .ConvergenceHistory.TemperaturaE / .ConvergenceHistory.Temperatura
avgerr += 0.33 * .ConvergenceHistory.PressaoE / .ConvergenceHistory.Pressao
avgerr += 0.33 * .ConvergenceHistory.VazaoMassicaE / .ConvergenceHistory.VazaoMassica
End With
rcount += 1
Next
avgerr *= 100
avgerr /= rcount
fgui.ClearLog()
fgui.ShowMessage("Recycle loop #" & (icount + 1) & ", average recycle error: " & Format(avgerr, "N") & "%", IFlowsheet.MessageType.Information)
fgui.UpdateInterface()
If Not fgui.DynamicMode Then
fgui.UpdateOpenEditForms()
End If
End If
'process the scripts associated with the recycle loop event.
fgui.ProcessScripts(Scripts.EventType.SolverRecycleLoop, Scripts.ObjectType.Solver, "")
'if the all recycles have converged (if any), then exit the loop.
If converged Then
Exit While
Else
If totalv > 0 Then
'update variables of all recycles set to global broyden.
Dim i As Integer = 0
For Each r As String In recycles
Dim rec = DirectCast(fbag.SimulationObjects(r), IRecycle)
If rec.AccelerationMethod = AccelMethod.GlobalBroyden Then
For Each kvp In rec.Values
recvars(i) = kvp.Value
recerrs(i) = rec.Errors(kvp.Key)
i += 1
Next
End If
Next
MathEx.Broyden.broydn(totalv - 1, recvars, recerrs, recdvars, recvarsb, recerrsb, rechess, If(icount < 2, 0, 1))
i = 0
For Each r As String In recycles
Dim rec = DirectCast(fbag.SimulationObjects(r), IRecycle)
If rec.AccelerationMethod = AccelMethod.GlobalBroyden Then
For Each kvp In rec.Errors
rec.Values(kvp.Key) = 0.3 * recvars(i) + 0.7 * recdvars(i)
i += 1
Next
End If
rec.SetOutletStreamProperties()
Next
End If
End If
If frompgrid Then
Try
objl = GetSolvingList(fobj, False)
objstack = objl(0)
Catch ex As Exception
GlobalSettings.Settings.CalculatorBusy = False
Throw ex
End Try
End If
icount += 1
End While
End Sub, Settings.TaskCancellationTokenSource.Token)
Try
While Not (Date.Now - d1).TotalMilliseconds >= Settings.SolverTimeoutSeconds * 1000
maintask.Wait(500)
fgui.UpdateInterface()
If Settings.TaskCancellationTokenSource.IsCancellationRequested Then
Throw New OperationCanceledException("Flowsheet solving stopped by the user.")
End If
If maintask.Status = TaskStatus.RanToCompletion Then Exit While
End While
fgui.UpdateInterface()
If maintask.Status = TaskStatus.Running Then
If GlobalSettings.Settings.IsRunningOnMono() Then
Throw New OperationCanceledException(fgui.GetTranslatedString("SolverTimeout"))
Else
Throw New TimeoutException(fgui.GetTranslatedString("SolverTimeout"))
End If
End If
If maintask.IsFaulted Then Throw maintask.Exception
If exlist.Count > 0 Then Throw New AggregateException(exlist)
Catch agex As AggregateException
age = agex
Catch ex As OperationCanceledException
age = New AggregateException(fgui.GetTranslatedString("CalculationAborted"), ex)
Catch ex As Exception
age = New AggregateException(ex.Message.ToString, ex)
Finally
If maintask.IsCompleted Then
maintask.Dispose()
maintask = Nothing
End If
End Try
'clears the calculation queue.
fqueue.CalculationQueue.Clear()
'clears the object lists.
objstack.Clear()
recycles.Clear()
'Case 3
' 'Azure Service Bus
' Dim azureclient As New AzureSolverClient()
' Try
' azureclient.SolveFlowsheet(fobj)
' For Each baseobj In fbag.SimulationObjects.Values
' If baseobj.Calculated Then baseobj.LastUpdated = Date.Now
' Next
' Catch ex As Exception
' age = New AggregateException(ex.Message.ToString, ex)
' Finally
' If Not azureclient.qcc.IsClosed Then azureclient.qcc.Close()
' If Not azureclient.qcs.IsClosed Then azureclient.qcs.Close()
' End Try
' azureclient = Nothing
'Case 4
' 'TCP/IP Solver
' Dim tcpclient As New TCPSolverClient()
' Try
' tcpclient.SolveFlowsheet(fobj)
' For Each baseobj In fbag.SimulationObjects.Values
' If baseobj.Calculated Then baseobj.LastUpdated = Date.Now
' Next
' Catch ex As Exception
' age = New AggregateException(ex.Message.ToString, ex)
' Finally
' tcpclient.client.Close()
' End Try
' tcpclient = Nothing
End Select
fs.UpdateMassAndEnergyBalance()
'clears any calculation stop request.
Settings.CalculatorStopRequested = False
'updates the display status of all objects in the calculation list.
UpdateDisplayStatus(fobj, objstack.ToArray)
'disposes the cancellation token source.
If fs.MasterFlowsheet Is Nothing Then ts?.Dispose()
GlobalSettings.Settings.TaskCancellationTokenSource = Nothing
'checks if exceptions were thrown during the calculation and displays them in the log window.
If age Is Nothing Then
fgui.ShowMessage(fgui.GetTranslatedString("FSfinishedsolvingok") + " [" & (Date.Now - d1).TotalSeconds.ToString("G4") + "s]", IFlowsheet.MessageType.Information)
IObj?.Paragraphs.Add(String.Format("Solver finished calculation of all objects in {0} seconds.", (Date.Now - d1).TotalSeconds))
fs.ErrorMessage = ""
fs.Solved = True
Else
Dim baseexception As Exception = Nothing
fgui.ShowMessage(fgui.GetTranslatedString("FSfinishedsolvingerror"), IFlowsheet.MessageType.GeneralError)
IObj?.Paragraphs.Add(fgui.GetTranslatedString("FSfinishedsolvingerror"))
For Each ex In age.Flatten().InnerExceptions
Dim euid As String = Guid.NewGuid().ToString()
SharedClasses.ExceptionProcessing.ExceptionList.Exceptions.Add(euid, ex)
If TypeOf ex Is AggregateException Then
baseexception = ex.InnerException
For Each iex In DirectCast(ex, AggregateException).Flatten().InnerExceptions
While iex.InnerException IsNot Nothing
baseexception = iex.InnerException
End While
Next
Else
baseexception = ex
While baseexception.InnerException IsNot Nothing
baseexception = baseexception.InnerException
End While
End If
Dim message = baseexception.Message
If baseexception.Source <> "" Then
message = String.Format("Error in '{0}': {1}", baseexception.Source, baseexception.Message)
End If
Try
Dim st As New StackTrace(baseexception, True)
Dim frame As StackFrame = st.GetFrame(0)
Dim line = frame.GetFileLineNumber().ToString()
Dim dirName = New DirectoryInfo(frame.GetFileName).Name
message += " (" + dirName + ", " + line + ")"
Catch exs As Exception
End Try
fgui.ShowMessage(message, IFlowsheet.MessageType.GeneralError, euid)
'Console.WriteLine(baseexception.ToString)
IObj?.Paragraphs.Add(baseexception.Message)
Next
'fgui.ShowMessage(fgui.GetTranslatedString("If Anonymous Analytics Sharing is enabled, the developers will be notified shortly about the errors. Thank you for your contribution!"), IFlowsheet.MessageType.GeneralError)
fs.Solved = False
If baseexception IsNot Nothing Then fs.ErrorMessage = baseexception.ToString
End If
'updates the flowsheet display information if the fobj is visible.
fs.UpdateSpreadsheet(Nothing)
fs.UpdateSpreadsheet(Nothing)
fgui.UpdateInformation()
fgui.UpdateInterface()
GlobalSettings.Settings.CalculatorBusy = False
fgui.ProcessScripts(Scripts.EventType.SolverFinished, Scripts.ObjectType.Solver, "")
IObj?.Close()
GlobalSettings.Settings.LockModelParameters = False
FinishAny?.Invoke()
If age Is Nothing Then
FinishSuccess?.Invoke()
RaiseEvent FlowsheetCalculationFinished(fobj, New System.EventArgs(), (Date.Now - d1).TotalSeconds)
Return New List(Of Exception)
Else
FinishWithErrors?.Invoke()
RaiseEvent FlowsheetCalculationFinished(fobj, New System.EventArgs(), age.InnerExceptions.ToList())
Return age.Flatten().InnerExceptions.ToList()
End If
Else
GlobalSettings.Settings.LockModelParameters = False
FinishAny?.Invoke()
Return New List(Of Exception)
End If
End Function
''' <summary>
''' Calculates a single object in the Flowsheet.
''' </summary>
''' <param name="fobj">Flowsheet where the object belongs to.</param>
''' <param name="ObjID">Unique Id of the object ("Name" or "GraphicObject.Name" properties). This is not the object's Flowsheet display name ("Tag" property or its GraphicObject object).</param>
''' <remarks></remarks>
Public Shared Function CalculateObject(ByVal fobj As Object, ByVal ObjID As String) As List(Of Exception)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
If fbag.SimulationObjects.ContainsKey(ObjID) Then
Dim baseobj = fbag.SimulationObjects(ObjID)
Dim objargs As New CalculationArgs
With objargs
.Calculated = True
.Name = baseobj.Name
.ObjectType = baseobj.GraphicObject.ObjectType
.Tag = baseobj.GraphicObject.Tag
End With
fqueue.CalculationQueue.Enqueue(objargs)
'Return SolveFlowsheet(fobj, Settings.SolverMode, Nothing, False, False, Nothing, Nothing, Nothing)
Return SolveFlowsheet(fobj, Settings.SolverMode, Nothing, True)
Else
Return New List(Of Exception)
End If
End Function
''' <summary>
''' Calculates a single object in the Flowsheet.
''' </summary>
''' <param name="fobj">Flowsheet where the object belongs to.</param>
''' <param name="ObjID">Unique Id of the object ("Name" or "GraphicObject.Name" properties). This is not the object's Flowsheet display name ("Tag" property or its GraphicObject object).</param>
''' <remarks></remarks>
Public Shared Sub CalculateObjectSync(ByVal fobj As Object, ByVal ObjID As String)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
If fbag.SimulationObjects.ContainsKey(ObjID) Then
Dim baseobj = fbag.SimulationObjects(ObjID)
If baseobj.GraphicObject.ObjectType = ObjectType.MaterialStream Then
If baseobj.GraphicObject.InputConnectors(0).IsAttached = False Then
'add this stream to the calculator queue list
Dim objargs As New CalculationArgs
With objargs
.Calculated = True
.Name = baseobj.Name
.ObjectType = ObjectType.MaterialStream
.Tag = baseobj.GraphicObject.Tag
End With
If baseobj.IsSpecAttached = True And baseobj.SpecVarType = SpecVarType.Source Then
fbag.SimulationObjects(baseobj.AttachedSpecId).Solve()
End If
fqueue.CalculationQueue.Enqueue(objargs)
ProcessQueueInternal(fobj)
Else
If baseobj.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.ObjectType = ObjectType.OT_Recycle Then
'add this stream to the calculator queue list
Dim objargs As New CalculationArgs
With objargs
.Calculated = True
.Name = baseobj.Name
.ObjectType = ObjectType.MaterialStream
.Tag = baseobj.GraphicObject.Tag
End With
If baseobj.IsSpecAttached = True And baseobj.SpecVarType = SpecVarType.Source Then
fbag.SimulationObjects(baseobj.AttachedSpecId).Solve()
End If
fqueue.CalculationQueue.Enqueue(objargs)
ProcessQueueInternal(fobj)
End If
End If
Else
Dim unit As ISimulationObject = baseobj
Dim objargs As New CalculationArgs
With objargs
.Sender = "PropertyGrid"
.Calculated = True
.Name = unit.Name
.ObjectType = unit.GraphicObject.ObjectType
.Tag = unit.GraphicObject.Tag
End With
fqueue.CalculationQueue.Enqueue(objargs)
ProcessQueueInternal(fobj)
End If
End If
End Sub
''' <summary>
''' Calculates a single object in the Flowsheet.
''' </summary>
''' <param name="fobj">Flowsheet where the object belongs to.</param>
''' <param name="ObjID">Unique Id of the object ("Name" or "GraphicObject.Name" properties). This is not the object's Flowsheet display name ("Tag" property or its GraphicObject object).</param>
''' <param name="ct">The cancellation token, used to listen for calculation cancellation requests from the user.</param>
''' <remarks></remarks>
Public Shared Sub CalculateObjectAsync(ByVal fobj As Object, ByVal ObjID As String, ByVal ct As CancellationToken)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
If fbag.SimulationObjects.ContainsKey(ObjID) Then
Dim baseobj = fbag.SimulationObjects(ObjID)
Dim objargs As New CalculationArgs
With objargs
.Sender = "PropertyGrid"
.Calculated = True
.Name = baseobj.Name
.ObjectType = ObjectType.MaterialStream
.Tag = baseobj.GraphicObject.Tag
End With
fqueue.CalculationQueue.Enqueue(objargs)
Dim objl = GetSolvingList(fobj, True)
Dim objstack As List(Of String) = objl(0)
For Each o As String In objstack
Dim obj = fbag.SimulationObjects(o)
objargs = New CalculationArgs
With objargs
.Sender = "FlowsheetSolver"
.Calculated = True
.Name = obj.Name
.ObjectType = obj.GraphicObject.ObjectType
.Tag = obj.GraphicObject.Tag
fqueue.CalculationQueue.Enqueue(objargs)
End With
Next
For Each o In fbag.SimulationObjects.Values
o.SetFlowsheet(fobj)
Next
ProcessQueueInternalAsync(fobj, ct)
End If
End Sub
''' <summary>
''' Simultaneous adjust solver routine.
''' </summary>
''' <param name="fobj">Flowsheet where the object belongs to.</param>
''' <remarks>Solves all marked Adjust objects in the flowsheet simultaneously using Netwon's method.</remarks>
Private Shared Sub SolveSimultaneousAdjusts(ByVal fobj As Object)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
Dim fs As IFlowsheet = TryCast(fobj, IFlowsheet)
If fs.FlowsheetOptions.SimultaneousAdjustSolverEnabled Then
Try
Dim n As Integer = 0
For Each adj As IAdjust In fbag.SimulationObjects.Values.Where(Function(a) TypeOf a Is IAdjust)
If adj.SimultaneousAdjust And DirectCast(adj, ISimulationObject).GraphicObject.Active Then n += 1
Next
If n > 0 Then
n -= 1
Dim i As Integer = 0
Dim dfdx(n, n), dx(n), fx(n), x(n), tols(n) As Double
Dim il_err_ant As Double = 10000000000.0
Dim il_err As Double = 10000000000.0
Dim ic As Integer
Dim converged As Boolean = False
i = 0
For Each adj As IAdjust In fbag.SimulationObjects.Values.Where(Function(a) TypeOf a Is IAdjust)
If adj.SimultaneousAdjust And DirectCast(adj, ISimulationObject).GraphicObject.Active Then
x(i) = GetMnpVarValue(fobj, adj)
tols(i) = adj.Tolerance
i += 1
End If
Next
ic = 0
Do
fx = FunctionValueSync(fobj, x)
converged = False
il_err_ant = il_err
il_err = fx.AbsSqrSumY
For i = 0 To x.Length - 1
If Math.Abs(fx(i)) < tols(i) Then
converged = True
Else
converged = False
Exit For
End If
Next
fgui.ShowMessage(fgui.GetTranslatedString("SimultaneousAdjust") & ": Iteration #" & ic + 1 & ", NSSE: " & il_err, IFlowsheet.MessageType.Information)
If converged Then Exit Do
dfdx = FunctionGradientSync(fobj, x)
Dim dfac As Double = 100000.0
Dim success = MathEx.SysLin.rsolve.rmatrixsolve(dfdx, fx, x.Length, dx)
If success Then
dfac = (ic + 1) * 0.2
If dfac > 1.0 Then dfac = 1.0
For i = 0 To x.Length - 1
If Math.Abs(-dx(i) * dfac) > x(i) Then
dfac /= 10
Exit For
End If
Next
For i = 0 To x.Length - 1
dx(i) = -dx(i)
x(i) += dfac * dx(i)
Next
End If
ic += 1
fs.CheckStatus()
fgui.UpdateInterface()
If ic >= 25 Then Throw New Exception(fgui.GetTranslatedString("SADJMaxIterationsReached"))
If Double.IsNaN(il_err) Then Throw New Exception(fgui.GetTranslatedString("SADJGeneralError"))
If Math.Abs(MathEx.Common.AbsSum(dx)) < 0.000001 Then Exit Do
Loop
End If
Catch ex As Exception
fgui.ShowMessage(fgui.GetTranslatedString("SADJGeneralError") & ": " & ex.Message.ToString, IFlowsheet.MessageType.GeneralError)
End Try
End If
End Sub
''' <summary>
''' Async simultaneous adjust solver routine.
''' </summary>
''' <param name="fobj">Flowsheet where the object belongs to.</param>
''' <param name="ct">The cancellation token, used to listen for calculation cancellation requests from the user.</param>
''' <remarks>Solves all marked Adjust objects in the flowsheet simultaneously using Netwon's method.</remarks>
Private Shared Sub SolveSimultaneousAdjustsAsync(ByVal fobj As Object, ct As CancellationToken)
Dim fgui As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim fqueue As IFlowsheetCalculationQueue = TryCast(fobj, IFlowsheetCalculationQueue)
Dim fs As IFlowsheet = TryCast(fobj, IFlowsheet)
If fs.FlowsheetOptions.SimultaneousAdjustSolverEnabled Then
'this is the cancellation token for background threads. it checks for calculator stop requests and passes the request to the tasks.
Dim n As Integer = 0
For Each adj As IAdjust In fbag.SimulationObjects.Values.Where(Function(a) TypeOf a Is IAdjust)
If adj.SimultaneousAdjust And DirectCast(adj, ISimulationObject).GraphicObject.Active Then n += 1
Next
If n > 0 Then
n -= 1
Dim i As Integer = 0
Dim dfdx(n, n), dx(n), fx(n), x(n), tols(n) As Double
Dim il_err_ant As Double = 10000000000.0
Dim il_err As Double = 10000000000.0
Dim ic As Integer
Dim converged As Boolean = False
i = 0
For Each adj As IAdjust In fbag.SimulationObjects.Values.Where(Function(a) TypeOf a Is IAdjust)
If adj.SimultaneousAdjust And DirectCast(adj, ISimulationObject).GraphicObject.Active Then
x(i) = GetMnpVarValue(fobj, adj)
tols(i) = adj.Tolerance
i += 1
End If
Next
ic = 0
Do
fx = FunctionValueAsync(fobj, x, ct)
converged = False
il_err_ant = il_err
il_err = fx.AbsSqrSumY
For i = 0 To x.Length - 1
If Math.Abs(fx(i)) < tols(i) Then
converged = True
Else
converged = False
Exit For
End If
Next
fgui.ShowMessage(fgui.GetTranslatedString("SimultaneousAdjust") & ": Iteration #" & ic + 1 & ", NSSE: " & il_err, IFlowsheet.MessageType.Information)
If converged Then Exit Do
dfdx = FunctionGradientAsync(fobj, x, ct)
Dim dfac As Double = 100000.0
Dim success = MathEx.SysLin.rsolve.rmatrixsolve(dfdx, fx, x.Length, dx)
If success Then
dfac = (ic + 1) * 0.2
If dfac > 1.0 Then dfac = 1.0
For i = 0 To x.Length - 1
If Math.Abs(-dx(i) * dfac) > x(i) Then
dfac /= 10
Exit For
End If
Next
For i = 0 To x.Length - 1
dx(i) = -dx(i)
x(i) += dfac * dx(i)
Next
End If
fs.CheckStatus()
fgui.UpdateInterface()
ic += 1
If ic >= 25 Then Throw New Exception(fgui.GetTranslatedString("SADJMaxIterationsReached"))
If Double.IsNaN(il_err) Then Throw New Exception(fgui.GetTranslatedString("SADJGeneralError"))
If Math.Abs(MathEx.Common.AbsSum(dx)) < 0.000001 Then Exit Do
Loop
End If
End If
End Sub
''' <summary>
''' Function called by the simultaneous adjust solver. Retrieves the error function value for each adjust object.
''' </summary>
''' <param name="fobj">Flowsheet where the object belongs to.</param>
''' <param name="x"></param>
''' <returns></returns>
''' <remarks></remarks>
Private Shared Function FunctionValueSync(ByVal fobj As Object, ByVal x() As Double) As Double()
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim i As Integer = 0
For Each adj As IAdjust In fbag.SimulationObjects.Values.Where(Function(a) TypeOf a Is IAdjust)
If adj.SimultaneousAdjust And DirectCast(adj, ISimulationObject).GraphicObject.Active Then
SetMnpVarValue(x(i), fobj, adj)
i += 1
End If
Next
Dim exceptions = SolveFlowsheet(fobj, Settings.SolverMode, Nothing, False, True)
If exceptions.Count > 0 Then Throw New AggregateException(exceptions)
Dim fx(x.Length - 1) As Double
i = 0
For Each adj As IAdjust In fbag.SimulationObjects.Values.Where(Function(a) TypeOf a Is IAdjust)
If adj.SimultaneousAdjust And DirectCast(adj, ISimulationObject).GraphicObject.Active Then
Dim adjvalue As Double
Dim punit = fbag.SimulationObjects(adj.ControlledObjectData.ID).GetPropertyUnit(adj.ControlledObjectData.PropertyName, fbag.FlowsheetOptions.SelectedUnitSystem)
If adj.Referenced Then
If fbag.FlowsheetOptions.SelectedUnitSystem.GetUnitType(punit) = UnitOfMeasure.temperature Then
adjvalue = cv.ConvertFromSI(punit & ".", adj.AdjustValue)
Else
adjvalue = cv.ConvertFromSI(punit, adj.AdjustValue)
End If
fx(i) = adjvalue + GetRefVarValue(fobj, adj) - GetCtlVarValue(fobj, adj)
Else
adjvalue = cv.ConvertFromSI(fbag.SimulationObjects(adj.ControlledObjectData.ID).GetPropertyUnit(adj.ControlledObjectData.PropertyName, fbag.FlowsheetOptions.SelectedUnitSystem), adj.AdjustValue)
fx(i) = adjvalue - GetCtlVarValue(fobj, adj)
End If
i += 1
End If
Next
Return fx
End Function
''' <summary>
''' Gradient function called by the simultaneous adjust solver. Retrieves the gradient of the error function value for each adjust object.
''' </summary>
''' <param name="fobj">Flowsheet where the object belongs to.</param>
''' <param name="x"></param>
''' <returns></returns>
''' <remarks></remarks>
Private Shared Function FunctionGradientSync(ByVal fobj As Object, ByVal x() As Double) As Double(,)
Dim epsilon As Double = 0.01
Dim f2(), f3() As Double
Dim g(x.Length - 1, x.Length - 1), x1(x.Length - 1), x2(x.Length - 1), x3(x.Length - 1), x4(x.Length - 1) As Double
Dim i, j, k As Integer
For i = 0 To x.Length - 1
For j = 0 To x.Length - 1
If i <> j Then
x2(j) = x(j)
x3(j) = x(j)
Else
If x(j) <> 0.0# Then
x2(j) = x(j) * (1 + epsilon)
x3(j) = x(j) * (1 - epsilon)
Else
x2(j) = x(j) + epsilon
x3(j) = x(j)
End If
End If
Next
f2 = FunctionValueSync(fobj, x2)
f3 = FunctionValueSync(fobj, x3)
For k = 0 To x.Length - 1
g(k, i) = (f2(k) - f3(k)) / (x2(i) - x3(i))
Next
Next
Return g
End Function
''' <summary>
''' Function called asynchronously by the simultaneous adjust solver. Retrieves the error function value for each adjust object.
''' </summary>
''' <param name="fobj">Flowsheet where the object belongs to.</param>
''' <param name="x"></param>
''' <param name="ct">The cancellation token, used to listen for calculation cancellation requests from the user.</param>
''' <returns></returns>
''' <remarks></remarks>
Private Shared Function FunctionValueAsync(ByVal fobj As Object, ByVal x() As Double, ct As CancellationToken) As Double()
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
Dim i As Integer = 0
For Each adj As IAdjust In fbag.SimulationObjects.Values.Where(Function(a) TypeOf a Is IAdjust)
If adj.SimultaneousAdjust And DirectCast(adj, ISimulationObject).GraphicObject.Active Then
SetMnpVarValue(x(i), fobj, adj)
i += 1
End If
Next
Dim exceptions = SolveFlowsheet(fobj, Settings.SolverMode, Nothing, False, True)
If exceptions.Count > 0 Then Throw New AggregateException(exceptions)
Dim fx(x.Length - 1) As Double
i = 0
For Each adj As IAdjust In fbag.SimulationObjects.Values.Where(Function(a) TypeOf a Is IAdjust)
If adj.SimultaneousAdjust And DirectCast(adj, ISimulationObject).GraphicObject.Active Then
Dim adjvalue As Double
Dim punit = fbag.SimulationObjects(adj.ControlledObjectData.ID).GetPropertyUnit(adj.ControlledObjectData.PropertyName, fbag.FlowsheetOptions.SelectedUnitSystem)
If adj.Referenced Then
If fbag.FlowsheetOptions.SelectedUnitSystem.GetUnitType(punit) = UnitOfMeasure.temperature Then
adjvalue = cv.ConvertFromSI(punit & ".", adj.AdjustValue)
Else
adjvalue = cv.ConvertFromSI(punit, adj.AdjustValue)
End If
fx(i) = adjvalue + GetRefVarValue(fobj, adj) - GetCtlVarValue(fobj, adj)
Else
adjvalue = cv.ConvertFromSI(fbag.SimulationObjects(adj.ControlledObjectData.ID).GetPropertyUnit(adj.ControlledObjectData.PropertyName, fbag.FlowsheetOptions.SelectedUnitSystem), adj.AdjustValue)
fx(i) = adjvalue - GetCtlVarValue(fobj, adj)
End If
i = i + 1
End If
Next
Return fx
End Function
''' <summary>
''' Gradient function called asynchronously by the simultaneous adjust solver. Retrieves the gradient of the error function value for each adjust object.
''' </summary>
''' <param name="fobj">Flowsheet where the object belongs to.</param>
''' <param name="x"></param>
''' <param name="ct">The cancellation token, used to listen for calculation cancellation requests from the user.</param>
''' <returns></returns>
''' <remarks></remarks>
Private Shared Function FunctionGradientAsync(ByVal fobj As Object, ByVal x() As Double, ct As CancellationToken) As Double(,)
Dim epsilon As Double = 0.01
Dim f2(), f3() As Double
Dim g(x.Length - 1, x.Length - 1), x1(x.Length - 1), x2(x.Length - 1), x3(x.Length - 1), x4(x.Length - 1) As Double
Dim i, j, k As Integer
For i = 0 To x.Length - 1
For j = 0 To x.Length - 1
If i <> j Then
x2(j) = x(j)
x3(j) = x(j)
Else
If x(j) <> 0.0# Then
x2(j) = x(j) * (1 + epsilon)
x3(j) = x(j) * (1 - epsilon)
Else
x2(j) = x(j) + epsilon
x3(j) = x(j)
End If
End If
Next
f2 = FunctionValueAsync(fobj, x2, ct)
f3 = FunctionValueAsync(fobj, x3, ct)
For k = 0 To x.Length - 1
g(k, i) = (f2(k) - f3(k)) / (x2(i) - x3(i))
Next
Next
Return g
End Function
''' <summary>
''' Gets the controlled variable value for the selected adjust op.
''' </summary>
''' <param name="fobj"></param>
''' <param name="adj"></param>
''' <returns></returns>
''' <remarks></remarks>
Private Shared Function GetCtlVarValue(ByVal fobj As Object, ByVal adj As IAdjust) As Double
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
With adj.ControlledObjectData
Return fbag.SimulationObjects(.ID).GetPropertyValue(.PropertyName, fbag.FlowsheetOptions.SelectedUnitSystem)
End With
End Function
''' <summary>
''' Gets the manipulated variable value for the selected adjust op.
''' </summary>
''' <param name="fobj"></param>
''' <param name="adj"></param>
''' <returns></returns>
''' <remarks></remarks>
Private Shared Function GetMnpVarValue(ByVal fobj As Object, ByVal adj As IAdjust) As Double
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
With adj.ManipulatedObjectData
Return fbag.SimulationObjects(.ID).GetPropertyValue(.PropertyName)
End With
End Function
''' <summary>
''' Sets the manipulated variable value for the selected adjust op.
''' </summary>
''' <param name="fobj"></param>
''' <param name="adj"></param>
''' <returns></returns>
''' <remarks></remarks>
Private Shared Function SetMnpVarValue(ByVal val As Nullable(Of Double), ByVal fobj As Object, ByVal adj As IAdjust)
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
With adj.ManipulatedObjectData
fbag.SimulationObjects(.ID).SetPropertyValue(.PropertyName, val)
End With
Return 1
End Function
''' <summary>
''' Gets the referenced variable value for the selected adjust op.
''' </summary>
''' <param name="fobj"></param>
''' <param name="adj"></param>
''' <returns></returns>
''' <remarks></remarks>
Private Shared Function GetRefVarValue(ByVal fobj As Object, ByVal adj As IAdjust) As Double
Dim fbag As IFlowsheet = TryCast(fobj, IFlowsheet)
With adj.ReferencedObjectData
Return fbag.SimulationObjects(.ID).GetPropertyValue(.PropertyName, fbag.FlowsheetOptions.SelectedUnitSystem)
End With
End Function
End Class
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