Replace Python numerical kernels with native C execution
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"""Component parameters, ports and output definitions; numerical equations execute in C."""
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from __future__ import annotations
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from collections.abc import Mapping
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from app.simulation.core.base import ThermodynamicVolumeComponent
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from app.simulation.core.catalog import ComponentDisplaySpec, PortDisplaySpec
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from app.simulation.core.equations import EquationResidual
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from app.simulation.core.metadata import (
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ParameterDefinition,
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THERMODYNAMIC_VOLUME_RESULT_VARIABLES,
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)
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from app.simulation.core.medium import IdealGasMedium, ThermodynamicProperties
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from app.simulation.core.metadata import ParameterDefinition, THERMODYNAMIC_VOLUME_RESULT_VARIABLES
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from app.simulation.core.medium import IdealGasMedium
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from app.simulation.core.ports import PortDefinition
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from app.simulation.core.state import VolumeState
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class Tank(ThermodynamicVolumeComponent):
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"""Python port of ModelicaModels.Mytank."""
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MODEL_TYPE = "tank"
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MODEL_VERSION = "1.0.0"
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PORTS = (PortDefinition.pneumatic("port_a", nominal_role="inlet"),)
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PARAMETERS = (
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ParameterDefinition(
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"volume",
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0.1,
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label="容积",
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quantity="volume",
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unit="m3",
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minimum=0.0,
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minimum_exclusive=True,
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),
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ParameterDefinition(
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"p0",
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1e5,
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label="初始压力",
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quantity="pressure",
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unit="Pa",
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minimum=0.0,
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minimum_exclusive=True,
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),
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ParameterDefinition(
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"T0",
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300.0,
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label="初始温度",
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quantity="temperature",
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unit="K",
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minimum=0.0,
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minimum_exclusive=True,
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),
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)
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MODEL_TYPE = 'tank'
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MODEL_VERSION = '1.0.0'
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PORTS = (PortDefinition.pneumatic('port_a', nominal_role='inlet'),)
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PARAMETERS = (ParameterDefinition('volume', 0.1, label='容积', quantity='volume', unit='m3', minimum=0.0, minimum_exclusive=True), ParameterDefinition('p0', 100000.0, label='初始压力', quantity='pressure', unit='Pa', minimum=0.0, minimum_exclusive=True), ParameterDefinition('T0', 300.0, label='初始温度', quantity='temperature', unit='K', minimum=0.0, minimum_exclusive=True))
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RESULT_VARIABLES = THERMODYNAMIC_VOLUME_RESULT_VARIABLES
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DISPLAY = ComponentDisplaySpec(
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label="贮箱",
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library_id="experimental",
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category_id="storage",
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symbol="tank",
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ports=(PortDisplaySpec("port_a", "left"),),
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order=20,
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)
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DISPLAY = ComponentDisplaySpec(label='贮箱', library_id='experimental', category_id='storage', symbol='tank', ports=(PortDisplaySpec('port_a', 'left'),), order=20)
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def __init__(
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self,
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name: str,
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medium: IdealGasMedium,
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V: float = 0.1,
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p0: float = 1e5,
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T0: float = 300.0,
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) -> None:
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def __init__(self, name: str, medium: IdealGasMedium, V: float=0.1, p0: float=100000.0, T0: float=300.0) -> None:
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super().__init__(name=name)
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self.set_parameter_values({"volume": V, "p0": p0, "T0": T0})
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self.set_parameter_values({'volume': V, 'p0': p0, 'T0': T0})
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self.medium = medium
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self.V = V
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m0 = p0 * V / (medium.R_gas * T0)
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U0 = m0 * medium.specific_internal_energy(T0)
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self.state = VolumeState(m=m0, U=U0)
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self.port_a = self.register_declared_port("port_a")
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self.port_a = self.register_declared_port('port_a')
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@classmethod
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def create(
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cls,
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*,
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name: str,
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medium: IdealGasMedium,
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parameters: Mapping[str, float],
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) -> Tank:
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return cls(
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name=name,
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medium=medium,
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V=parameters["volume"],
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p0=parameters["p0"],
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T0=parameters["T0"],
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)
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def get_state_vector(self) -> list[float]:
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return self.state.as_vector()
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def set_state_vector(self, values: list[float]) -> None:
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self.state = VolumeState.from_vector(values)
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def properties(self) -> ThermodynamicProperties:
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props = self.medium.properties_from_mU(self.state.m, self.state.U, self.V)
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self.port_a.p = props.p
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self.port_a.h_outflow = props.h
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return props
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def refresh_thermodynamic_ports(self) -> ThermodynamicProperties:
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return self.properties()
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def state_derivative_from_ports(
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self,
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connected_h: Mapping[str, float],
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) -> list[float]:
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properties = self.properties()
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derivative = self.derivatives_from_connection(
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connected_h=connected_h["port_a"],
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port_m_flow=self.port_a.m_flow,
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internal_h=properties.h,
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)
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return derivative.as_vector()
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def pressure_flow_equation_residuals(self) -> tuple[EquationResidual, ...]:
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pressure = self.medium.properties_from_mU(
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self.state.m,
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self.state.U,
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self.V,
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).p
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return (
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EquationResidual(
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id=f"{self.name}:port_a_pressure_state",
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owner="component",
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owner_id=self.name,
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relation="state",
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variables=(f"{self.name}.port_a.p", f"{self.name}.state"),
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role="effort",
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value=self.port_a.p - pressure,
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),
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)
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def derivatives_from_connection(
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self,
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*,
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connected_h: float,
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port_m_flow: float,
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internal_h: float,
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) -> VolumeState:
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inlet_h = self.connection_inlet_enthalpy(
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port_m_flow=port_m_flow,
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connected_h=connected_h,
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internal_h=internal_h,
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)
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return self.derivatives(inlet_h, port_m_flow)
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def derivatives(self, inlet_h: float, m_flow: float) -> VolumeState:
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return VolumeState(m=m_flow, U=m_flow * inlet_h)
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def create(cls, *, name: str, medium: IdealGasMedium, parameters: Mapping[str, float]) -> Tank:
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return cls(name=name, medium=medium, V=parameters['volume'], p0=parameters['p0'], T0=parameters['T0'])
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EQUATIONS = ({'id': '__MODEL__:port_a_pressure_state', 'owner': 'component', 'ownerId': '__MODEL__', 'relation': 'state', 'variables': ['__MODEL__.port_a.p', '__MODEL__.state'], 'role': 'effort'},)
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