class TestSEGS:
def setup(self):
"""
Full model validation of SEGS model in TESPy vs. EBSILON.
Find original models at https://github.com/fwitte/SEGS_exergy.
"""
# specification of ambient state
self.pamb = 1.013
self.Tamb = 25
# setting up network
self.nw = Network(fluids=['water', 'INCOMP::TVP1', 'air'])
self.nw.set_attr(T_unit='C',
p_unit='bar',
h_unit='kJ / kg',
m_unit='kg / s',
s_unit="kJ / kgK")
# components definition
air_in = Source('Ambient air source', fkt_group='CW')
air_out = Sink('Ambient air sink', fkt_group='CW')
closer_pt = CycleCloser('Cycle closer pt', fkt_group='SF')
pt = ParabolicTrough('Parabolic trough', fkt_group='SF')
ptpump = Pump('HTF pump', fkt_group='SF')
closer = CycleCloser('Cycle closer power cycle', fkt_group='SG')
eco = HeatExchanger('Economizer', fkt_group='SG')
eva = HeatExchanger('Evaporator', fkt_group='SG')
sup = HeatExchanger('Superheater', fkt_group='SG')
drum = Drum('Drum', fkt_group='SG')
reh = HeatExchanger('Reheater', fkt_group='RH')
hpt1 = Turbine('HP turbine 1', fkt_group='HPT')
hpt2 = Turbine('HP turbine 2', fkt_group='HPT')
lpt1 = Turbine('LP turbine 1', fkt_group='LPT')
lpt2 = Turbine('LP turbine 2', fkt_group='LPT')
lpt3 = Turbine('LP turbine 3', fkt_group='LPT')
lpt4 = Turbine('LP turbine 4', fkt_group='LPT')
lpt5 = Turbine('LP turbine 5', fkt_group='LPT')
cond = Condenser('Condenser', fkt_group='CW')
condpump = Pump('Condenser pump', fkt_group='CW')
fwt = Merge('Feedwater tank', num_in=3, fkt_group='LPP')
fwp = Pump('Feedwater pump', fkt_group='FWP')
cwp = Pump('Cooling water pump', fkt_group='CW')
closer_cw = CycleCloser('Cycle closer cw', fkt_group='CW')
ct = HeatExchanger('Cooling tower', fkt_group='CW')
fan = Compressor('Cooling tower fan', fkt_group='CW')
sp1 = Splitter('Splitter 1', fkt_group='HPT')
sp2 = Splitter('Splitter 2', fkt_group='HPT')
sp3 = Splitter('Splitter 3', fkt_group='LPT')
sp4 = Splitter('Splitter 4', fkt_group='LPT')
sp5 = Splitter('Splitter 5', fkt_group='LPT')
sp6 = Splitter('Splitter 6', fkt_group='LPT')
sp7 = Splitter('Splitter 7', fkt_group='SF')
m1 = Merge('Merge 1', fkt_group='CW')
m2 = Merge('Merge 2', fkt_group='HPP')
m3 = Merge('Merge 3', fkt_group='LPP')
m4 = Merge('Merge 4', fkt_group='LPP')
m5 = Merge('Merge 5', fkt_group='SF')
v1 = Valve('Valve 1', fkt_group='HPP')
v2 = Valve('Valve 2', fkt_group='HPP')
v3 = Valve('Valve 3', fkt_group='LPP')
v4 = Valve('Valve 4', fkt_group='LPP')
v5 = Valve('Valve 5', fkt_group='LPP')
hppre1 = Condenser('High pressure preheater 1', fkt_group='HPP')
hppre2 = Condenser('High pressure preheater 2', fkt_group='HPP')
hppre1_sub = HeatExchanger('High pressure preheater 1 subcooling',
fkt_group='HPP')
hppre2_sub = HeatExchanger('High pressure preheater 2 subcooling',
fkt_group='HPP')
lppre1 = Condenser('Low pressure preheater 1', fkt_group='LPP')
lppre2 = Condenser('Low pressure preheater 2', fkt_group='LPP')
lppre3 = Condenser('Low pressure preheater 3', fkt_group='LPP')
lppre1_sub = HeatExchanger('Low pressure preheater 1 subcooling',
fkt_group='LPP')
lppre2_sub = HeatExchanger('Low pressure preheater 2 subcooling',
fkt_group='LPP')
lppre3_sub = HeatExchanger('Low pressure preheater 3 subcooling',
fkt_group='LPP')
# connections definition
# power cycle
c1 = Connection(sup, 'out2', closer, 'in1', label='1')
c2 = Connection(closer, 'out1', hpt1, 'in1', label='2')
c3 = Connection(hpt1, 'out1', sp1, 'in1', label='3')
c4 = Connection(sp1, 'out1', hpt2, 'in1', label='4')
c5 = Connection(hpt2, 'out1', sp2, 'in1', label='5')
c6 = Connection(sp2, 'out1', reh, 'in2', label='6')
c7 = Connection(reh, 'out2', lpt1, 'in1', label='7')
c8 = Connection(lpt1, 'out1', sp3, 'in1', label='8')
c9 = Connection(sp3, 'out1', lpt2, 'in1', label='9')
c10 = Connection(lpt2, 'out1', sp4, 'in1', label='10')
c11 = Connection(sp4, 'out1', lpt3, 'in1', label='11')
c12 = Connection(lpt3, 'out1', sp5, 'in1', label='12')
c13 = Connection(sp5, 'out1', lpt4, 'in1', label='13')
c14 = Connection(lpt4, 'out1', sp6, 'in1', label='14')
c15 = Connection(sp6, 'out1', lpt5, 'in1', label='15')
c16 = Connection(lpt5, 'out1', m1, 'in1', label='16')
c17 = Connection(m1, 'out1', cond, 'in1', label='17')
c18 = Connection(cond, 'out1', condpump, 'in1', label='18')
c19 = Connection(condpump, 'out1', lppre1, 'in2', label='19')
# c19 = Connection(condpump, 'out1', lppre1_sub, 'in2', label='19')
# c20 = Connection(lppre1_sub, 'out2', lppre1, 'in2', label='20')
c21 = Connection(lppre1, 'out2', lppre2, 'in2', label='21')
# c21 = Connection(lppre1, 'out2', lppre2_sub, 'in2', label='21')
# c22 = Connection(lppre2_sub, 'out2', lppre2, 'in2', label='22')
c23 = Connection(lppre2, 'out2', lppre3, 'in2', label='23')
# c23 = Connection(lppre2, 'out2', lppre3_sub, 'in2', label='23')
# c24 = Connection(lppre3_sub, 'out2', lppre3, 'in2', label='24')
c25 = Connection(lppre3, 'out2', fwt, 'in1', label='25')
c26 = Connection(fwt, 'out1', fwp, 'in1', label='26')
c27 = Connection(fwp, 'out1', hppre1, 'in2', label='27')
c29 = Connection(hppre1, 'out2', hppre2, 'in2', label='29')
c31 = Connection(hppre2, 'out2', eco, 'in2', label='31')
c36 = Connection(sp1, 'out2', hppre2, 'in1', label='36')
c37 = Connection(hppre2, 'out1', v1, 'in1', label='37')
c39 = Connection(v1, 'out1', m2, 'in2', label='39')
c40 = Connection(sp2, 'out2', m2, 'in1', label='40')
c41 = Connection(m2, 'out1', hppre1, 'in1', label='41')
c42 = Connection(hppre1, 'out1', v2, 'in1', label='42')
c44 = Connection(v2, 'out1', fwt, 'in2', label='44')
c45 = Connection(sp3, 'out2', fwt, 'in3', label='45')
c46 = Connection(sp4, 'out2', lppre3, 'in1', label='46')
c47 = Connection(lppre3, 'out1', v3, 'in1', label='47')
# c47 = Connection(lppre3, 'out1', lppre3_sub, 'in1', label='47')
# c48 = Connection(lppre3_sub, 'out1', v3, 'in1', label='48')
c49 = Connection(v3, 'out1', m3, 'in1', label='49')
c50 = Connection(sp5, 'out2', m3, 'in2', label='50')
c51 = Connection(m3, 'out1', lppre2, 'in1', label='51')
c52 = Connection(lppre2, 'out1', v4, 'in1', label='52')
# c52 = Connection(lppre2, 'out1', lppre2_sub, 'in1', label='52')
# c53 = Connection(lppre2_sub, 'out1', v4, 'in1', label='53')
c54 = Connection(v4, 'out1', m4, 'in2', label='54')
c55 = Connection(sp6, 'out2', m4, 'in1', label='55')
c56 = Connection(m4, 'out1', lppre1, 'in1', label='56')
c57 = Connection(lppre1, 'out1', v5, 'in1', label='57')
# c57 = Connection(lppre1, 'out1', lppre1_sub, 'in1', label='57')
# c58 = Connection(lppre1_sub, 'out1', v5, 'in1', label='58')
c59 = Connection(v5, 'out1', m1, 'in2', label='59')
# components from subsystem
c32 = Connection(eco, 'out2', drum, 'in1', label='32')
c33 = Connection(drum, 'out1', eva, 'in2', label='33')
c34 = Connection(eva, 'out2', drum, 'in2', label='34')
c35 = Connection(drum, 'out2', sup, 'in2', label='35')
c73 = Connection(sup, 'out1', eva, 'in1', label='73')
c74 = Connection(eva, 'out1', eco, 'in1', label='74')
# cooling water
c60 = Connection(cond, 'out2', closer_cw, 'in1', label='60')
c61 = Connection(closer_cw, 'out1', ct, 'in1', label='61')
c62 = Connection(ct, 'out1', cwp, 'in1', label='62')
c63 = Connection(cwp, 'out1', cond, 'in2', label='63')
# cooling tower
c64 = Connection(air_in, 'out1', fan, 'in1', label='64')
c65 = Connection(fan, 'out1', ct, 'in2', label='65')
c66 = Connection(ct, 'out2', air_out, 'in1', label='66')
# parabolic trough cycle
c70 = Connection(pt, 'out1', closer_pt, 'in1', label='67')
c71 = Connection(closer_pt, 'out1', sp7, 'in1', label='71')
c72 = Connection(sp7, 'out1', sup, 'in1', label='72')
c75 = Connection(eco, 'out1', m5, 'in1', label='75')
c76 = Connection(sp7, 'out2', reh, 'in1', label='76')
c77 = Connection(reh, 'out1', m5, 'in2', label='77')
c78 = Connection(m5, 'out1', ptpump, 'in1', label='78')
c79 = Connection(ptpump, 'out1', pt, 'in1', label='79')
# add connections to network
self.nw.add_conns(c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12,
c13, c14, c15, c16, c17, c18, c19, c21, c23, c25,
c26, c27, c29, c31, c32, c33, c34, c35, c36, c37,
c39, c40, c41, c42, c44, c45, c46, c47, c49, c50,
c51, c52, c54, c55, c56, c57, c59, c60, c61, c62,
c63, c64, c65, c66, c70, c71, c72, c73, c74, c75,
c76, c77, c78, c79)
# power bus
power = Bus('total output power')
power.add_comps({
'comp': hpt1,
'char': 0.97,
'base': 'component'
}, {
'comp': hpt2,
'char': 0.97,
'base': 'component'
}, {
'comp': lpt1,
'char': 0.97,
'base': 'component'
}, {
'comp': lpt2,
'char': 0.97,
'base': 'component'
}, {
'comp': lpt3,
'char': 0.97,
'base': 'component'
}, {
'comp': lpt4,
'char': 0.97,
'base': 'component'
}, {
'comp': lpt5,
'char': 0.97,
'base': 'component'
}, {
'comp': fwp,
'char': 0.95,
'base': 'bus'
}, {
'comp': condpump,
'char': 0.95,
'base': 'bus'
}, {
'comp': ptpump,
'char': 0.95,
'base': 'bus'
}, {
'comp': cwp,
'char': 0.95,
'base': 'bus'
}, {
'comp': fan,
'char': 0.95,
'base': 'bus'
})
heat_input_bus = Bus('heat input')
heat_input_bus.add_comps({'comp': pt, 'base': 'bus'})
exergy_loss_bus = Bus('exergy loss')
exergy_loss_bus.add_comps({
'comp': air_in,
'base': 'bus'
}, {'comp': air_out})
self.nw.add_busses(power, heat_input_bus, exergy_loss_bus)
# component parameters
pt.set_attr(doc=0.95,
aoi=0,
Tamb=25,
A='var',
eta_opt=0.73,
c_1=0.00496,
c_2=0.000691,
E=1000,
iam_1=1,
iam_2=1)
ptpump.set_attr(eta_s=0.6)
eco.set_attr()
eva.set_attr(ttd_l=5)
sup.set_attr()
hpt1.set_attr(eta_s=0.8376)
hpt2.set_attr(eta_s=0.8463)
lpt1.set_attr(eta_s=0.8623)
lpt2.set_attr(eta_s=0.917)
lpt3.set_attr(eta_s=0.9352)
lpt4.set_attr(eta_s=0.88)
lpt5.set_attr(eta_s=0.6445)
cond.set_attr(pr1=1, pr2=0.9, ttd_u=5)
condpump.set_attr(eta_s=0.7)
fwp.set_attr(eta_s=0.7)
cwp.set_attr(eta_s=0.7)
ct.set_attr(pr1=0.95)
fan.set_attr(eta_s=0.6)
lppre1.set_attr(pr1=1, ttd_u=5)
lppre2.set_attr(pr1=1, ttd_u=5)
lppre3.set_attr(pr1=1, ttd_u=5)
hppre1.set_attr(pr1=1, ttd_u=5)
hppre2.set_attr(pr1=1, ttd_u=5)
lppre1_sub.set_attr(pr1=1, pr2=1, ttd_l=10)
lppre2_sub.set_attr(pr1=1, pr2=1, ttd_l=10)
lppre3_sub.set_attr(pr1=1, pr2=1, ttd_l=10)
hppre1_sub.set_attr(pr1=1, pr2=1, ttd_l=10)
hppre2_sub.set_attr(pr1=1, pr2=1, ttd_l=10)
# connection parameters
# parabolic trough cycle
c70.set_attr(fluid={'TVP1': 1, 'water': 0, 'air': 0}, T=390, p=23.304)
c76.set_attr(m=Ref(c70, 0.1284, 0))
c73.set_attr(p=22.753)
c74.set_attr(p=21.167)
c78.set_attr(p=20.34)
c79.set_attr(p=41.024)
# cooling water
c62.set_attr(fluid={
'TVP1': 0,
'water': 1,
'air': 0
},
T=30,
p=self.pamb)
# cooling tower
c64.set_attr(fluid={
'water': 0,
'TVP1': 0,
'air': 1
},
p=self.pamb,
T=self.Tamb)
c65.set_attr(p=self.pamb + 0.0005)
c66.set_attr(p=self.pamb, T=30)
# power cycle
c32.set_attr(Td_bp=-2)
c34.set_attr(x=0.5)
c1.set_attr(fluid={'water': 1, 'TVP1': 0, 'air': 0}, p=100, T=371)
# steam generator pressure values
c31.set_attr(p=103.56)
c35.set_attr(p=103.42)
# turbine pressure values
c3.set_attr(p=33.61, m=38.969)
c5.set_attr(p=18.58)
c7.set_attr(p=17.1, T=371)
c8.set_attr(p=7.98)
c10.set_attr(p=2.73)
c12.set_attr(p=0.96)
c14.set_attr(p=0.29)
# preheater pressure values
c19.set_attr(p=14.755, state='l')
c21.set_attr(p=9.9975, state='l')
c23.set_attr(p=8.7012, state='l')
c25.set_attr(state='l')
c27.set_attr(p=125)
c29.set_attr(p=112)
# condensation
c16.set_attr(p=0.08)
# feedwater tank
c26.set_attr(x=0)
# a stable solution is generated for parts of the network
self.nw.solve(mode='design')
self.nw.del_conns(c19, c21, c23, c27, c29, c37, c42, c47, c52, c57)
c19 = Connection(condpump, 'out1', lppre1_sub, 'in2', label='19')
c20 = Connection(lppre1_sub, 'out2', lppre1, 'in2', label='20')
c21 = Connection(lppre1, 'out2', lppre2_sub, 'in2', label='21')
c22 = Connection(lppre2_sub, 'out2', lppre2, 'in2', label='22')
c23 = Connection(lppre2, 'out2', lppre3_sub, 'in2', label='23')
c24 = Connection(lppre3_sub, 'out2', lppre3, 'in2', label='24')
c27 = Connection(fwp, 'out1', hppre1_sub, 'in2', label='27')
c28 = Connection(hppre1_sub, 'out2', hppre1, 'in2', label='28')
c29 = Connection(hppre1, 'out2', hppre2_sub, 'in2', label='29')
c30 = Connection(hppre2_sub, 'out2', hppre2, 'in2', label='30')
c37 = Connection(hppre2, 'out1', hppre2_sub, 'in1', label='37')
c38 = Connection(hppre2_sub, 'out1', v1, 'in1', label='38')
c42 = Connection(hppre1, 'out1', hppre1_sub, 'in1', label='42')
c43 = Connection(hppre1_sub, 'out1', v2, 'in1', label='43')
c47 = Connection(lppre3, 'out1', lppre3_sub, 'in1', label='47')
c48 = Connection(lppre3_sub, 'out1', v3, 'in1', label='48')
c52 = Connection(lppre2, 'out1', lppre2_sub, 'in1', label='52')
c53 = Connection(lppre2_sub, 'out1', v4, 'in1', label='53')
c57 = Connection(lppre1, 'out1', lppre1_sub, 'in1', label='57')
c58 = Connection(lppre1_sub, 'out1', v5, 'in1', label='58')
self.nw.add_conns(c19, c20, c21, c22, c23, c24, c27, c28, c29, c30,
c37, c38, c42, c43, c47, c48, c52, c53, c57, c58)
# specification of missing parameters
c19.set_attr(p=14.755)
c21.set_attr(p=9.9975, state='l')
c23.set_attr(p=8.7012, state='l')
c27.set_attr(p=125)
c29.set_attr(p=112)
# solve final state
self.nw.solve(mode='design')
def test_model(self):
"""Test the thermodynamic model."""
power_ebsilon = -31.769
power_tespy = round(self.nw.busses['total output power'].P.val / 1e6,
3)
msg = ('The total power calculated (' + str(power_tespy) +
') does not '
'match the power calculated with the EBSILON model (' +
str(power_ebsilon) + ').')
assert power_tespy == power_ebsilon, msg
T_c79_ebsilon = 296.254
T_c79_tespy = round(self.nw.get_conn('79').T.val, 3)
msg = ('The temperature at connection 79 calculated (' +
str(T_c79_tespy) +
') does not match the temperature calculated '
'with the EBSILON model (' + str(T_c79_ebsilon) + ').')
assert T_c79_tespy == T_c79_ebsilon, msg
def test_exergy_analysis(self):
"""Test the exergy analysis results."""
# carry out exergy analysis
ean = ExergyAnalysis(self.nw,
E_P=[self.nw.busses['total output power']],
E_F=[self.nw.busses['heat input']],
E_L=[self.nw.busses['exergy loss']])
ean.analyse(pamb=self.pamb, Tamb=self.Tamb)
# generate Grassmann diagram
links, nodes = ean.generate_plotly_sankey_input()
# check if exergy product value in links is equal to total power
# output
position = links['target'].index(nodes.index('E_P'))
power_links = round(links['value'][position], 0)
power_bus = round(-self.nw.busses['total output power'].P.val, 0)
msg = ('The exergy product value in the links (' + str(power_links) +
') must be equal to the power on the respective bus (' +
str(power_bus) + ').')
assert power_links == power_bus, msg
class TestNetworks:
def setup_Network_tests(self):
self.nw = Network(['water'], p_unit='bar', v_unit='m3 / s')
self.source = Source('source')
self.sink = Sink('sink')
def offdesign_TESPyNetworkError(self, **kwargs):
with raises(TESPyNetworkError):
self.nw.solve('offdesign', **kwargs)
def test_Network_linear_dependency(self):
"""Test network linear dependency."""
self.setup_Network_tests()
a = Connection(self.source, 'out1', self.sink, 'in1', m=1, p=1, x=1,
T=280)
self.nw.add_conns(a)
self.nw.solve('design')
msg = ('This test must result in a linear dependency of the jacobian '
'matrix.')
assert self.nw.lin_dep, msg
def test_Network_no_progress(self):
"""Test no convergence progress."""
self.setup_Network_tests()
pi = Pipe('pipe', pr=1, Q=-100e3)
a = Connection(self.source, 'out1', pi, 'in1', m=1, p=1, T=280,
fluid={'water': 1})
b = Connection(pi, 'out1', self.sink, 'in1')
self.nw.add_conns(a, b)
self.nw.solve('design')
msg = ('This test must result in a calculation making no progress, as '
'the pipe\'s outlet enthalpy is below fluid property range.')
assert self.nw.progress is False, msg
def test_Network_max_iter(self):
"""Test reaching maximum iteration count."""
self.setup_Network_tests()
pi = Pipe('pipe', pr=1, Q=100e3)
a = Connection(self.source, 'out1', pi, 'in1', m=1, p=1, T=280,
fluid={'water': 1})
b = Connection(pi, 'out1', self.sink, 'in1')
self.nw.add_conns(a, b)
self.nw.solve('design', max_iter=2)
msg = ('This test must result in the itercount being equal to the max '
'iter statement.')
assert self.nw.max_iter == self.nw.iter + 1, msg
def test_Network_delete_conns(self):
"""Test deleting a network's connection."""
self.setup_Network_tests()
a = Connection(self.source, 'out1', self.sink, 'in1')
self.nw.add_conns(a)
self.nw.check_network()
msg = ('After the network check, the .checked-property must be True.')
assert self.nw.checked, msg
self.nw.del_conns(a)
msg = ('A connection has been deleted, the network consistency check '
'must be repeated (.checked-property must be False).')
assert self.nw.checked is False, msg
def test_Network_missing_connection_in_init_path(self):
"""Test debug message for missing connection in init_path."""
self.setup_Network_tests()
IF = SubsystemInterface('IF')
a = Connection(self.source, 'out1', self.sink, 'in1')
self.nw.add_conns(a)
self.nw.solve('design', init_only=True)
self.nw.save('tmp')
msg = ('After the network check, the .checked-property must be True.')
assert self.nw.checked, msg
self.nw.del_conns(a)
a = Connection(self.source, 'out1', IF, 'in1')
b = Connection(IF, 'out1', self.sink, 'in1')
self.nw.add_conns(a, b)
self.nw.solve('design', init_path='tmp', init_only=True)
msg = ('After the network check, the .checked-property must be True.')
assert self.nw.checked, msg
shutil.rmtree('./tmp', ignore_errors=True)
def test_Network_export_no_chars_busses(self):
"""Test export of network without characteristics or busses."""
self.setup_Network_tests()
a = Connection(self.source, 'out1', self.sink, 'in1')
self.nw.add_conns(a)
self.nw.solve('design', init_only=True)
self.nw.save('tmp')
msg = ('The exported network does not contain any char_line, there '
'must be no file char_line.csv!')
assert os.path.isfile('tmp/components/char_line.csv') is False, msg
msg = ('The exported network does not contain any char_map, there '
'must be no file char_map.csv!')
assert os.path.isfile('tmp/components/char_map.csv') is False, msg
msg = ('The exported network does not contain any busses, there '
'must be no file bus.csv!')
assert os.path.isfile('tmp/components/bus.csv') is False, msg
shutil.rmtree('./tmp', ignore_errors=True)
def test_Network_reader_no_chars_busses(self):
"""Test import of network without characteristics or busses."""
self.setup_Network_tests()
a = Connection(self.source, 'out1', self.sink, 'in1')
self.nw.add_conns(a)
self.nw.solve('design', init_only=True)
self.nw.save('tmp')
imported_nwk = load_network('tmp')
imported_nwk.solve('design', init_only=True)
msg = ('If the network import was successful the network check '
'should have been successful, too, but it is not.')
assert imported_nwk.checked, msg
shutil.rmtree('./tmp', ignore_errors=True)
def test_Network_reader_deleted_chars(self):
"""Test import of network with missing characteristics."""
self.setup_Network_tests()
comp = Compressor('compressor')
a = Connection(self.source, 'out1', comp, 'in1')
b = Connection(comp, 'out1', self.sink, 'in1')
self.nw.add_conns(a, b)
self.nw.solve('design', init_only=True)
self.nw.save('tmp')
# # remove char_line and char_map folders
os.unlink('tmp/components/char_line.csv')
os.unlink('tmp/components/char_map.csv')
# import network with missing files
imported_nwk = load_network('tmp')
imported_nwk.solve('design', init_only=True)
msg = ('If the network import was successful the network check '
'should have been successful, too, but it is not.')
assert imported_nwk.checked, msg
shutil.rmtree('./tmp', ignore_errors=True)
def test_Network_missing_data_in_design_case_files(self):
"""Test for missing data in design case files."""
self.setup_Network_tests()
pi = Pipe('pipe', Q=0, pr=0.95, design=['pr'], offdesign=['zeta'])
a = Connection(self.source, 'out1', pi, 'in1', m=1, p=1, T=293.15,
fluid={'water': 1})
b = Connection(pi, 'out1', self.sink, 'in1')
self.nw.add_conns(a, b)
self.nw.solve('design')
self.nw.save('tmp')
self.nw.save('tmp2')
inputs = open('./tmp/connections.csv')
all_lines = inputs.readlines()
all_lines.pop(len(all_lines) - 1)
inputs.close()
with open('./tmp2/connections.csv', 'w') as out:
for line in all_lines:
out.write(line.strip() + '\n')
self.offdesign_TESPyNetworkError(design_path='tmp2', init_only=True)
shutil.rmtree('./tmp', ignore_errors=True)
shutil.rmtree('./tmp2', ignore_errors=True)
def test_Network_missing_data_in_individual_design_case_file(self):
"""Test for missing data in individual design case files."""
self.setup_Network_tests()
pi = Pipe('pipe', Q=0, pr=0.95, design=['pr'], offdesign=['zeta'])
a = Connection(self.source, 'out1', pi, 'in1', m=1, p=1, T=293.15,
fluid={'water': 1})
b = Connection(pi, 'out1', self.sink, 'in1', design_path='tmp2')
self.nw.add_conns(a, b)
self.nw.solve('design')
self.nw.save('tmp')
self.nw.save('tmp2')
inputs = open('./tmp/connections.csv')
all_lines = inputs.readlines()
all_lines.pop(len(all_lines) - 1)
inputs.close()
with open('./tmp2/connections.csv', 'w') as out:
for line in all_lines:
out.write(line.strip() + '\n')
self.offdesign_TESPyNetworkError(design_path='tmp', init_only=True)
shutil.rmtree('./tmp', ignore_errors=True)
shutil.rmtree('./tmp2', ignore_errors=True)
def test_Network_missing_connection_in_design_path(self):
"""Test for missing connection data in design case files."""
self.setup_Network_tests()
pi = Pipe('pipe', Q=0, pr=0.95, design=['pr'], offdesign=['zeta'])
a = Connection(self.source, 'out1', pi, 'in1', m=1, p=1, T=293.15,
fluid={'water': 1})
b = Connection(pi, 'out1', self.sink, 'in1')
self.nw.add_conns(a, b)
self.nw.solve('design')
self.nw.save('tmp')
inputs = open('./tmp/connections.csv')
all_lines = inputs.readlines()
all_lines.pop(len(all_lines) - 1)
inputs.close()
with open('./tmp/connections.csv', 'w') as out:
for line in all_lines:
out.write(line.strip() + '\n')
self.offdesign_TESPyNetworkError(design_path='tmp')
shutil.rmtree('./tmp', ignore_errors=True)
