接入test_mql双管路气室与PN3节点
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from __future__ import annotations
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import unittest
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from pathlib import Path
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from PythonModels.reporting.amesim_results import load_test_mql_amesim_results
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from PythonModels.systems.test_mql import TestMqlSystem
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from PythonModels.systems.test_mql_nodes import build_test_mql_node3_assembly
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REPO_ROOT = Path(__file__).resolve().parents[1]
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TEST_MQL_AME = REPO_ROOT / "AmesimModels" / "test_mql.ame"
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class TestMqlPneumaticNode3Tests(unittest.TestCase):
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@classmethod
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def setUpClass(cls) -> None:
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cls.nodes = build_test_mql_node3_assembly()
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cls.results = load_test_mql_amesim_results(TEST_MQL_AME)
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def test_builds_all_eight_pn3node2_instances(self) -> None:
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self.assertEqual(len(self.nodes), 8)
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self.assertIn("pn_node3_9", self.nodes)
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system = TestMqlSystem()
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self.assertEqual(system.typed_node3_count, 8)
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self.assertEqual(system.node3_assembly["pn_node3_9"].alias, "pn_node3_9")
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def test_port_two_flow_is_exact_sum_of_ports_one_and_three(self) -> None:
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balance = self.nodes["pn_node3_9"].balance(
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port_2_temperature_k=281.0,
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port_2_pressure_pa=4.4e6,
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port_1_enthalpy_flow_w=2.0,
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port_1_mass_flow_g_s=3.0,
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port_3_enthalpy_flow_w=-0.5,
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port_3_mass_flow_g_s=-1.0,
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port_1_volume_derivative_l_min=4.0,
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port_1_volume_cm3=5.0,
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port_3_volume_derivative_l_min=-1.0,
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port_3_volume_cm3=6.0,
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)
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self.assertEqual(balance.temperature_k, 281.0)
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self.assertEqual(balance.pressure_pa, 4.4e6)
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self.assertEqual(balance.port_2_enthalpy_flow_w, 1.5)
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self.assertEqual(balance.port_2_mass_flow_g_s, 2.0)
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self.assertEqual(balance.port_2_volume_derivative_l_min, 3.0)
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self.assertEqual(balance.port_2_volume_cm3, 11.0)
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def test_pn_node3_9_baseline_matches_adjacent_line_flow_sum(self) -> None:
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index = 500
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balance = self.nodes["pn_node3_9"].balance(
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port_2_temperature_k=self.results.series("t1@pneumatic_88")[index],
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port_2_pressure_pa=(
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self.results.series("p1@pneumatic_88")[index] + 101_300.0
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),
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port_1_enthalpy_flow_w=self.results.series("dh1@pneumatic_100")[index],
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port_1_mass_flow_g_s=self.results.series("dm1@pneumatic_100")[index],
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port_3_enthalpy_flow_w=self.results.series("dh1@pneumatic_97")[index],
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port_3_mass_flow_g_s=self.results.series("dm1@pneumatic_97")[index],
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)
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self.assertAlmostEqual(
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balance.port_2_mass_flow_g_s,
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self.results.series("dm2@pn_node3_9")[index],
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)
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self.assertAlmostEqual(
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balance.port_2_enthalpy_flow_w,
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self.results.series("dh2@pn_node3_9")[index],
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)
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self.assertEqual(self.results.series("vol2@pn_node3_9")[index], 0.0)
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self.assertEqual(self.results.series("dvol2@pn_node3_9")[index], 0.0)
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def test_rejects_nonphysical_primary_pressure_or_temperature(self) -> None:
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node = self.nodes["pn_node3_9"]
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with self.assertRaises(ValueError):
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node.balance(
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port_2_temperature_k=0.0,
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port_2_pressure_pa=1.0e5,
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port_1_enthalpy_flow_w=0.0,
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port_1_mass_flow_g_s=0.0,
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port_3_enthalpy_flow_w=0.0,
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port_3_mass_flow_g_s=0.0,
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)
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if __name__ == "__main__":
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unittest.main()
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@@ -76,5 +76,78 @@ class TestMqlPnl0001ChamberSegmentTests(unittest.TestCase):
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self.assertEqual([len(row) for row in solution.y], [3, 3, 3, 3])
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class TestMqlPnl0001PairChamberSegmentTests(unittest.TestCase):
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def setUp(self) -> None:
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self.system = TestMqlSystem()
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self.spec = self.system.discover_pneumatic_branch_topology().chamber_segment_specs[0]
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def test_pair_closure_uses_both_topology_derived_lines(self) -> None:
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closure = self.system.pnl0001_pair_chamber_segment_closure_from_spec(
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self.spec,
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inlet_node_pressure_pa=16.0e6,
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outlet_node_pressure_pa=14.0e6,
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)
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snapshot = closure.snapshot()
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rhs = closure.rhs(closure.initial_state_vector())
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self.assertEqual(closure.components.inlet_line.name, "pneumatic_96")
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self.assertEqual(closure.components.outlet_line.name, "pneumatic_97")
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self.assertEqual(len(closure.initial_state_vector()), 6)
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self.assertEqual(len(rhs), 6)
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self.assertGreater(snapshot.inlet_node_to_line_flow, 0.0)
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self.assertLess(snapshot.outlet_node_to_line_flow, 0.0)
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self.assertAlmostEqual(
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rhs[0] + rhs[2] + rhs[4],
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snapshot.inlet_node_to_line_flow + snapshot.outlet_node_to_line_flow,
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delta=1.0e-12,
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)
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def test_both_internal_orifice_flows_cancel_from_total_mass(self) -> None:
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closure = self.system.pnl0001_pair_chamber_segment_closure_from_spec(
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self.spec,
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inlet_node_pressure_pa=15.3e6,
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outlet_node_pressure_pa=15.3e6,
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)
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state = closure.initial_state_vector()
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state[0] *= 1.01
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state[1] *= 1.01
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state[4] *= 0.99
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state[5] *= 0.99
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snapshot = closure.snapshot(state)
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rhs = closure.rhs(state)
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self.assertGreater(snapshot.inlet_line_to_chamber_flow, 0.0)
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self.assertLess(snapshot.outlet_line_to_chamber_flow, 0.0)
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self.assertAlmostEqual(
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rhs[0] + rhs[2] + rhs[4],
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snapshot.inlet_node_to_line_flow + snapshot.outlet_node_to_line_flow,
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delta=1.0e-12,
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)
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self.assertAlmostEqual(
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closure.components.outlet_line.port_2.m_flow,
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-snapshot.outlet_line_to_chamber_flow,
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)
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def test_simulates_six_state_pair_line_chamber_segment(self) -> None:
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solution = self.system.simulate_pnl0001_pair_chamber_segment_from_spec(
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self.spec,
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inlet_node_pressure_pa=15.31e6,
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outlet_node_pressure_pa=15.29e6,
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config=SolveIVPConfig(
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t_start=0.0,
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t_stop=1.0e-7,
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max_step=1.0e-8,
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),
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t_eval=[0.0, 5.0e-8, 1.0e-7],
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)
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self.assertTrue(solution.success)
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self.assertEqual(len(solution.t), 3)
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self.assertEqual(len(solution.y), 6)
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self.assertEqual([len(row) for row in solution.y], [3, 3, 3, 3, 3, 3])
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if __name__ == "__main__":
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unittest.main()
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