对齐AMESim管阻孔口与储气耦合

tests/test_pressure_flow_solver_initialization.py

@@ -6,11 +6,15 @@ from unittest.mock import patch
 
 from app.simulation.components.amesim.boundary.sources import AmesimPnpl01
 from app.simulation.components.amesim.flow.orifices import (
+    AmesimPnor001,
     AmesimPnvo001SignalOpening,
 )
+from app.simulation.components.amesim.flow.pipes import AmesimPnl00r
+from app.simulation.components.amesim.flow.pipes import AmesimPnl0001
 from app.simulation.components.amesim.media.mediums import (
     AmesimHeliumPengRobinsonMedium,
 )
+from app.simulation.components.amesim.storage.chambers import AmesimPnch023
 from app.simulation.components.experimental.storage.cylinder import Cylinder
 from app.simulation.components.experimental.storage.tank import Tank
 from app.simulation.core.medium import IdealGasMedium
@@ -21,6 +25,50 @@ from app.simulation.systems.network import SimulationNetwork
 
 
 class PressureFlowSolverInitializationTests(unittest.TestCase):
+    def test_pnor_pnl0001_series_pressure_is_seeded_by_flow_balance(self) -> None:
+        medium = IdealGasMedium()
+        chamber = AmesimPnch023("source", medium, p0=15.3e6)
+        source_plug = AmesimPnpl01("source_closed")
+        orifice = AmesimPnor001("orifice", medium)
+        pipe = AmesimPnl0001("pipe", medium, p0=14.0e6)
+        storage_plug = AmesimPnpl01("storage_closed")
+        network = SimulationNetwork("pnor-pnl0001-series")
+        for component in (chamber, source_plug, orifice, pipe, storage_plug):
+            network.add_component(component)
+        network.connect("source_closed", "port_1", "source", "port_1")
+        network.connect("source", "port_2", "orifice", "port_1")
+        network.connect("orifice", "port_2", "pipe", "port_1")
+        network.connect("pipe", "port_2", "storage_closed", "port_1")
+        chamber.refresh_thermodynamic_ports()
+        pipe.refresh_thermodynamic_ports()
+
+        result = PressureFlowSolver(network).solve()
+
+        self.assertTrue(result.success)
+        self.assertGreater(orifice.port_2.p, pipe.port_2.p)
+        self.assertLess(orifice.port_2.p, chamber.port_2.p)
+        self.assertAlmostEqual(orifice.port_2.p, pipe.port_1.p)
+        self.assertAlmostEqual(-orifice.port_2.m_flow, pipe.port_1.m_flow)
+
+    def test_dead_ended_pnl00r_is_seeded_at_zero_flow_pressure(self) -> None:
+        medium = IdealGasMedium()
+        pipe = AmesimPnl00r("resistance", medium)
+        plug = AmesimPnpl01("closed")
+        pipe.port_1.p = 15.3e6
+        pipe.port_2.p = 100_000.0
+        network = SimulationNetwork("dead-ended-resistance")
+        network.add_component(pipe)
+        network.add_component(plug)
+        network.connect("resistance", "port_2", "closed", "port_1")
+
+        result = PressureFlowSolver(network).solve()
+
+        self.assertTrue(result.success)
+        self.assertEqual(result.evaluations, 0)
+        self.assertAlmostEqual(pipe.port_2.p, pipe.port_1.p)
+        self.assertEqual(pipe.port_1.m_flow, 0.0)
+        self.assertEqual(pipe.port_2.m_flow, 0.0)
+
     @staticmethod
     def _near_equal_pressure_network() -> tuple[
         SimulationNetwork,