dwsim_core_automation.py

def display(msg):
     print(msg)

dwsimpath = "/home/daniel/dwsimcore"

from clr_loader import get_coreclr
from pythonnet import set_runtime
set_runtime(get_coreclr(dwsimpath + "DWSIMCore.Tests.runtimeconfig.json"))
import clr

import clr

import System
from System.IO import Directory, Path, File
from System import String, Environment

clr.AddReference(dwsimpath + "DWSIMCore.Foundation.dll")
clr.AddReference(dwsimpath + "DWSIMCore.Foundation.CSharp.dll")
clr.AddReference(dwsimpath + "DWSIMCore.dll")

from DWSIMCore.Foundation.Enums.GraphicObjects import ObjectType
from DWSIMCore.Foundation import Streams, PropertyPackages
from DWSIMCore.Foundation.Streams import MaterialStream
from DWSIMCore.Foundation.UnitOperations import Heater
from DWSIMCore.Automation import Automation
from DWSIMCore.Foundation import Settings

Directory.SetCurrentDirectory(dwsimpath)

# create automation manager

interf = Automation()

sim = interf.CreateFlowsheet().GetAwaiter().GetResult()

# add water

water = sim.AvailableCompounds["Water"]

sim.SelectedCompounds.Add(water.Name, water)

# create and connect objects

m1 = sim.AddObject(ObjectType.MaterialStream, 50, 50, "inlet")
m2 = sim.AddObject(ObjectType.MaterialStream, 150, 50, "outlet")
e1 = sim.AddObject(ObjectType.EnergyStream, 100, 50, "power")
h1 = sim.AddObject(ObjectType.Heater, 100, 50, "heater")

sim.ConnectObjects(m1.GraphicObject, h1.GraphicObject, -1, -1)
sim.ConnectObjects(h1.GraphicObject, m2.GraphicObject, -1, -1)
sim.ConnectObjects(e1.GraphicObject, h1.GraphicObject, -1, -1)

# steam tables property package

stables = PropertyPackages.SteamTablesPropertyPackage()

sim.AddPropertyPackage(stables)

# set inlet stream temperature
# default properties: T = 298.15 K, P = 101325 Pa, Mass Flow = 1 kg/s

MaterialStream.SetTemperature(m1, 300.0) # K
MaterialStream.SetMassFlow(m1, 100.0) # kg/s

# set heater heat load

Heater.SetPropertyValue(h1, 'PROP_HX_3', 10000.0) # kW

# request a calculation

Action = getattr(System, "Action`1")
action = Action[String](display)

errors = interf.CalculateFlowsheet2(sim, action).GetAwaiter().GetResult()

ot = Heater.GetPropertyValue(h1, 'PROP_HX_2') # K

print(String.Format("Outlet Temperature: {0} K", ot))

# save file

fileNameToSave = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "heatersample.dwxmz")

interf.SaveFlowsheet(sim, fileNameToSave, True)