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import os
import csv
from subprocess import Popen, PIPE
import pandas as pd
class Flowsheet():
def __init__(self):
self.sim_name = '../Simulator'
self.sim_method = ''
self.unit_operations = []
self.data = []
self.compounds = []
self.interface = ''
self.omc_path = None
self.root_dir = os.getcwd() # Chemical-Simulator-GUI
self.sim_dir_path = os.path.join(self.root_dir, self.sim_name) # Chemical-Simulator-GUI/Simulator
self.Flomo_path = os.path.join(self.sim_dir_path,'Flowsheet.mo')
self.eqn_mos_path = os.path.join(self.sim_dir_path,'simulateEQN.mos')
self.sm_mos_path = os.path.join(self.sim_dir_path,'simulateSM.mos')
self.result_data = []
self.stdout=None
self.stderr=None
def get_omc_path(self,msg):
try:
self.omhome = os.environ.get('OPENMODELICAHOME')
if self.omhome is None:
self.omhome = os.path.split(os.path.split(os.path.realpath(spawn.find_executable("omc")))[0])[0]
elif os.path.exists('/opt/local/bin/omc'):
self.omhome = '/opt/local'
elif os.path.exists('/usr/bin/omc'):
self.omhome = '/usr'
return os.path.join(self.omhome, 'bin', 'omc')
except BaseException:
msg.parent().parent().parent().container.disableInterfaceforSimulation(False)
msg.append("<span style=\"color:red\"><b>Installation Error : </b>The OpenModelica compiler is missing in the System path please install it.</span>")
print("The OpenModelica compiler is missing in the System path please install it" )
raise
def add_unit_operations(self,unitop):
self.unit_operations.append(unitop)
def remove_unit_operations(self,unitop):
self.unit_operations.remove(unitop)
def add_compound_list(self,C):
self.compounds = C
def send_for_simulation_Eqn(self,msg):
self.result_data = []
self.omc_path = self.get_omc_path(msg)
#print(self.omc_path)
if self.sim_method == 'Eqn':
simpath = self.eqn_mos_path
os.chdir(self.sim_dir_path)
self.process = Popen([self.omc_path, '-s',simpath], stdout=PIPE, stderr=PIPE)
self.stdout, self.stderr = self.process.communicate()
os.chdir(self.root_dir)
if ('timeSimulation = 0.0,\n' in self.stdout.decode("utf-8")):
self.result_data = []
else:
csvpath = os.path.join(self.sim_dir_path,'Flowsheet_res.csv')
with open (csvpath,'r') as resultFile:
self.result_data = []
csvreader = csv.reader(resultFile,delimiter=',')
for row in csvreader:
self.result_data.append(row)
def send_for_simulation_SM(self,unitop):
self.result_data = []
self.omc_path = self.get_omc_path()
os.chdir(self.sim_dir_path)
self.process = Popen([self.omc_path, '-s',unitop.name,'.mos'], stdout=PIPE, stderr=PIPE)
stdout, stderr = self.process.communicate()
# print("############### StdOut ################")
# print(stdout)
self.result_data = []
print('Simulating '+unitop.name+'...')
csvpath = os.path.join(self.sim_dir_path,unitop.name+'_res.csv')
with open(csvpath,'r') as resultFile:
csvreader = csv.reader(resultFile,delimiter=',')
for row in csvreader:
self.result_data.append(row)
self.ext_data()
def ext_data(self):
for unit in self.unit_operations:
if unit[0].type == 'MaterialStream':
for key, value in unit[0].Prop.items():
property_name = unit[0].name + '.' + key
if property_name in self.result_data[0]:
ind = self.result_data[0].index(property_name)
resultval = str(self.result_data[-1][ind])
unit[0].Prop[key] = resultval
def simulate_EQN(self,msg):
self.data = []
self.sim_method = 'Eqn'
self.data.append("model Flowsheet\n")
tempCompounds = self.compounds
for c in tempCompounds:
CompName = c
CompName = CompName.replace(" ", "")
CompName = CompName.replace("-", "")
CompName = CompName.replace(",", "")
CompName = CompName.replace("1", "One")
CompName = CompName.replace("2", "Two")
CompName = CompName.replace("3", "Three")
CompName = CompName.replace("4", "Four")
CompName = CompName.replace("5", "Five")
self.data.append("parameter database." + CompName +' '+ CompName + "; \n")
tempCompounds[tempCompounds.index(c)] = CompName
self.data.append("parameter Integer Nc = " + str(len(tempCompounds)) + ";\n")
self.data.append("parameter Simulator.Files.ChemsepDatabase.GeneralProperties C[Nc] = {" +
str(tempCompounds).strip('[').strip(']').replace("'", "") + "};\n")
for unitop in self.unit_operations:
if unitop.type != 'MaterialStream':
self.data.append(unitop.OM_Flowsheet_Initialize())
else:
self.data.append(unitop.OM_Flowsheet_Initialize(self.compounds))
self.data.append("equation\n")
self.outlist = []
self.stm = ['MaterialStream','EngStm']
for unitop in self.unit_operations:
if unitop.type not in self.stm:
for j in unitop.output_stms.values():
self.outlist.append(j)
for unitop in self.unit_operations:
if unitop not in self.outlist:
if unitop.type == 'MaterialStream':
self.data.append(unitop.OM_Flowsheet_Equation(self.compounds,'Eqn'))
else:
self.data.append(unitop.OM_Flowsheet_Equation())
else:
pass
with open(self.Flomo_path, 'w') as txtfile:
for d in self.data:
txtfile.write(str(d))
txtfile.write('end Flowsheet;\n')
#print(self.eqn_mos_path)
with open(self.eqn_mos_path, 'w') as mosFile:
mosFile.write('loadModel(Modelica);\n')
mosFile.write('loadFile(\"Simulator/package.mo\");\n')
mosFile.write('loadFile(\"database.mo\");\n')
mosFile.write('loadFile(\"Flowsheet.mo\");\n')
mosFile.write('simulate(Flowsheet, outputFormat=\"csv\", stopTime=1.0, numberOfIntervals=1);\n')
#print('Initiating Simulation in Equation Oriented Mode')
self.send_for_simulation_Eqn(msg)
def simulate_SM(self,ip,op):
self.sim_method = 'SM'
self.data = []
self.result_data = []
self.unit = []
self.csvlist = []
for i in ip:
common = ip[i]
for k,v in op.items():
if(set(v) & set(common)):
if((i in self.unit) and (k in self.unit)):
pass
elif(i in self.unit):
self.unit.insert(self.unit.index(i),k)
elif(k in self.unit):
self.unit.append(i)
else:
self.unit.append(k)
self.unit.append(i)
for unitop in self.unit:
os.chdir(self.root_dir)
self.data = []
if unitop.type not in ['MaterialStream','EngStm']:
inpstms = unitop.input_stms
outstms = unitop.output_stms
try:
engstms = unitop.EngStms
except:
engstms = None
self.data.append("model "+unitop.name.lower()+'\n')
for c in self.compounds:
c = c.title()
lcase = c.lower()
self.data.append("parameter Simulator.Files.Chemsep_Database." + c +' '+ c + "; \n")
self.data.append(unitop.OM_Flowsheet_Initialize())
if type(outstms) is list:
for stm in outstms:
self.data.append(stm.OM_Flowsheet_Initialize())
else:
self.data.append(outstms.OM_Flowsheet_Initialize())
if engstms:
self.data.append(engstms.OM_Flowsheet_Initialize())
if type(inpstms) is list:
for stm in inpstms:
self.data.append(stm.OM_Flowsheet_Initialize())
else:
self.data.append(inpstms.OM_Flowsheet_Initialize())
self.data.append('equation\n')
self.data.append(unitop.OM_Flowsheet_Equation())
if type(inpstms) is list:
for stm in inpstms:
self.data.append(stm.OM_Flowsheet_Equation())
else:
self.data.append(inpstms.OM_Flowsheet_Equation())
unitmofile = os.path.join(self.sim_dir_path,unitop.name.lower()+'.mo')
with open(unitmofile,'w') as unitFile:
for d in self.data:
unitFile.write(d)
unitFile.write('end '+unitop.name.lower()+';\n')
unitmosfile = os.path.join(self.sim_dir_path,unitop.name.lower()+'.mos')
with open(unitmosfile, 'w') as mosFile:
mosFile.write('loadModel(Modelica);\n')
mosFile.write("loadFile(\"Simulator\package.mo\");\n")
mosFile.write("loadFile(\""+unitop.name.lower()+".mo\");\n")
mosFile.write("simulate("+unitop.name.lower()+", outputFormat=\"csv\", stopTime=1.0, numberOfIntervals=1);\n")
print("Initiating simulation in Sequential Modular Mode")
self.omc_path = self.get_omc_path()
os.chdir(self.sim_dir_path)
sim = os.path.join(self.sim_dir_path,unitop.name.lower()+'.mos')
self.process = Popen([self.omc_path, '-s',sim], stdout=PIPE, stderr=PIPE)
self.stdout, self.stderr = self.process.communicate()
os.chdir(self.root_dir)
# print("############### StdOut ################")
# print(self.stdout)
# print("############### StdErr ################")
# print(self.stderr)
# print('Simulating '+unitop.name.lower()+'...')
csvpath = os.path.join(self.sim_dir_path,unitop.name.lower()+'_res.csv')
self.csvlist.append(csvpath)
with open(csvpath,'r') as resultFile:
csvreader = csv.reader(resultFile,delimiter=',')
for row in csvreader:
self.result_data.append(row)
os.chdir(self.root_dir)
if type(inpstms) is list:
for stm in inpstms:
for key,value in stm.Prop.items():
property_name = stm.name + '.' + key
if property_name in self.result_data[0]:
ind = self.result_data[0].index(property_name)
resultval = str(self.result_data[-1][ind])
stm.Prop[key] = resultval
else:
for key, value in inpstms.Prop.items():
property_name = inpstms.name + '.' + key
if property_name in self.result_data[0]:
ind = self.result_data[0].index(property_name)
resultval = str(self.result_data[-1][ind])
inpstms.Prop[key] = resultval
if type(outstms) is list:
for stm in outstms:
for key, value in stm.Prop.items():
property_name = stm.name + '.' + key
if property_name in self.result_data[0]:
ind = self.result_data[0].index(property_name)
resultval = str(self.result_data[-1][ind])
stm.Prop[key] = resultval
else:
for key, value in outstms.Prop.items():
property_name = outstms.name + '.' + key
if property_name in self.result_data[0]:
ind = self.result_data[0].index(property_name)
resultval = str(self.result_data[-1][ind])
outstms.Prop[key] = resultval
self.dataframes = [pd.read_csv(i) for i in self.csvlist]
os.chdir(self.sim_dir_path)
dffinal = pd.concat(self.dataframes,axis=1)
dffinal.to_csv('FlowsheetSEQ.csv',index=False)
self.result_data.clear()
with open(os.path.join(self.sim_dir_path+'/FlowsheetSEQ.csv'),'r') as resultFile:
csvreader = csv.reader(resultFile,delimiter=',')
for row in csvreader:
self.result_data.append(row)
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