feat: integrate AMESim media models and editor UI
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from __future__ import annotations
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import unittest
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from app.main import ReactFlowProjectPayload, compile_reactflow_network
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from app.simulation.components.amesim.library import LIBRARY
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from app.simulation.components.amesim.media.mediums import (
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AMESIM_AIR_PROPERTY_MODELS,
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AMESIM_HELIUM_PENG_ROBINSON_PROPERTY_MODEL,
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AMESIM_HELIUM_PROPERTY_MODELS,
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AmesimHeliumPengRobinsonMedium,
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)
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from app.simulation.core.medium import IdealGasMedium
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from app.simulation.core.peng_robinson import HELIUM_PR
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from app.simulation.registry import COMPONENT_MODEL_REGISTRY
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from tests.test_generic_system_xml_simulation import component_node
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from tests.test_system_xml_protocol import physical_port
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class AmesimHeliumPengRobinsonMediumTests(unittest.TestCase):
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def test_uses_shared_peng_robinson_eos_and_committed_caloric_constants(
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self,
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) -> None:
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medium = AmesimHeliumPengRobinsonMedium()
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pressure = 15.3e6
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temperature = 293.15
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density = medium.density(pressure, temperature)
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volume = 0.02
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self.assertIs(medium.fluid, HELIUM_PR)
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self.assertEqual(medium.SUBSTANCE_ID, "helium")
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self.assertEqual(medium.PROPERTY_METHOD_ID, "peng_robinson")
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self.assertAlmostEqual(medium.R_gas, HELIUM_PR.specific_gas_constant)
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self.assertEqual(medium.cp_ref, 5193.0)
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self.assertEqual(medium.cv, 3116.0)
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self.assertEqual(medium.cp_at_temperature(400.0), 5193.0)
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self.assertEqual(medium.cv_at_temperature(400.0), 3116.0)
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self.assertAlmostEqual(medium.gamma, 5193.0 / 3116.0)
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self.assertAlmostEqual(density, HELIUM_PR.density(pressure, temperature))
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self.assertAlmostEqual(
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medium.pressure(density * volume, temperature, volume),
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pressure,
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delta=pressure * 1.0e-12,
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)
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def test_constant_caloric_model_and_sutherland_viscosity_complete_contract(
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self,
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) -> None:
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medium = AmesimHeliumPengRobinsonMedium()
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temperature = 340.0
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internal_energy = medium.specific_internal_energy(temperature)
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enthalpy = medium.specific_enthalpy(temperature)
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self.assertEqual(internal_energy, 3116.0 * temperature)
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self.assertEqual(enthalpy, 5193.0 * temperature)
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self.assertEqual(
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medium.temperature_from_internal_energy(internal_energy),
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temperature,
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)
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self.assertEqual(
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medium.temperature_from_enthalpy(enthalpy),
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temperature,
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)
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self.assertAlmostEqual(medium.dynamic_viscosity(293.15), 1.96e-5)
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self.assertEqual(medium.sutherland_constant, 79.4)
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def test_definition_maps_local_selector_to_amesim_fluid_and_eos_codes(
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self,
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) -> None:
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self.assertEqual(LIBRARY.version, "0.2.0")
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self.assertEqual(AMESIM_HELIUM_PENG_ROBINSON_PROPERTY_MODEL, 0)
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self.assertEqual(AMESIM_HELIUM_PROPERTY_MODELS[0].value, 0)
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self.assertEqual(AMESIM_HELIUM_PROPERTY_MODELS[0].eos_type, 6)
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self.assertEqual(AMESIM_AIR_PROPERTY_MODELS[0].eos_type, 1)
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spec = COMPONENT_MODEL_REGISTRY["amesim_helium_medium"]
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property_model = spec.parameter_by_name["property_model"]
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self.assertEqual(spec.display.category_id, "media")
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self.assertEqual(spec.display.role, "amesimGasMediumDefinition")
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self.assertEqual(spec.display.label, "氦气介质定义")
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self.assertEqual(spec.model_version, "0.1.0")
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self.assertEqual(spec.ports, ())
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self.assertEqual(property_model.default, 0.0)
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self.assertEqual(property_model.editor, "amesimGasPropertyModel")
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self.assertEqual(
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[(option.value, option.label) for option in property_model.options],
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[(0, "Peng–Robinson")],
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)
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component = spec.create(
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"helium_properties",
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IdealGasMedium(),
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{"gi": 2.0, "property_model": 0.0},
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)
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definition = component.gas_definition()
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self.assertEqual(component.parameter_values, {"gi": 2.0, "property_model": 0.0})
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self.assertEqual(definition.label, "氦气（Peng–Robinson）")
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self.assertEqual(definition.fluid_type, 12)
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self.assertEqual(definition.eos_type, 6)
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self.assertIsInstance(definition.medium, AmesimHeliumPengRobinsonMedium)
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def test_project_compile_injects_helium_before_dynamic_state_initialization(
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self,
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) -> None:
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pressure = 13_839_965.0
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temperature = 287.7322
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volume = 0.01
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project = ReactFlowProjectPayload(
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name="helium-peng-robinson-compile",
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nodes=[
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component_node(
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"helium_properties",
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"amesim_helium_medium",
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[],
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{"gi": 2.0, "property_model": 0.0},
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),
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component_node(
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"chamber_1",
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"amesim_pnch023",
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[
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physical_port("port_1", "bidirectional", "left"),
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physical_port("port_2", "bidirectional", "right"),
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],
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{
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"gi": 2.0,
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"cvol": volume,
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"kth": 0.0,
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"sth": 0.1,
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"extemp": 293.15,
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"p0": pressure,
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"T0": temperature,
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},
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),
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],
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)
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network = compile_reactflow_network(project)
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chamber = network.components["chamber_1"]
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self.assertNotIn("helium_properties", network.components)
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self.assertIsInstance(chamber.medium, AmesimHeliumPengRobinsonMedium)
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self.assertAlmostEqual(
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chamber.state.m,
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HELIUM_PR.density(pressure, temperature) * volume,
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delta=1.0e-12,
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)
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if __name__ == "__main__":
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unittest.main()
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