Replace Python numerical kernels with native C execution
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@@ -1,106 +1,25 @@
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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 math import pi
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from app.simulation.core.base import AlgebraicComponent
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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 ParameterDefinition
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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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class ResistivePipe(AlgebraicComponent):
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"""Quasi-steady Darcy resistance used by topology-driven simulation."""
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MODEL_TYPE = "pipe"
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MODEL_VERSION = "1.0.0"
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PRESSURE_FLOW_DEPENDS_ON_STREAM = False
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PRESSURE_FLOW_EXACT_SUM_TO_ZERO_EQUATION_SUFFIXES = frozenset(
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("mass_flow_balance",)
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)
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PORTS = (
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PortDefinition.pneumatic("port_a", nominal_role="inlet"),
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PortDefinition.pneumatic("port_b", nominal_role="outlet"),
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)
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PARAMETERS = (
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ParameterDefinition(
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"length",
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5.0,
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label="长度",
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quantity="length",
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unit="m",
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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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"diameter",
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0.02,
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label="直径",
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quantity="length",
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unit="m",
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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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"lambda_darcy",
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0.02,
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label="摩阻系数",
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minimum=0.0,
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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 = 'pipe'
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MODEL_VERSION = '1.0.0'
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PORTS = (PortDefinition.pneumatic('port_a', nominal_role='inlet'), PortDefinition.pneumatic('port_b', nominal_role='outlet'))
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PARAMETERS = (ParameterDefinition('length', 5.0, label='长度', quantity='length', unit='m', minimum=0.0, minimum_exclusive=True), ParameterDefinition('diameter', 0.02, label='直径', quantity='length', unit='m', minimum=0.0, minimum_exclusive=True), ParameterDefinition('lambda_darcy', 0.02, label='摩阻系数', minimum=0.0), 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 = ()
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DISPLAY = ComponentDisplaySpec(
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label="管段",
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library_id="experimental",
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category_id="flow",
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symbol="pipe",
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ports=(
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PortDisplaySpec("port_a", "left", order=10),
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PortDisplaySpec("port_b", "right", order=20),
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),
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order=30,
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)
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DISPLAY = ComponentDisplaySpec(label='管段', library_id='experimental', category_id='flow', symbol='pipe', ports=(PortDisplaySpec('port_a', 'left', order=10), PortDisplaySpec('port_b', 'right', order=20)), order=30)
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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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L: float = 5.0,
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D: float = 0.02,
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lambda_darcy: float = 0.02,
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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, L: float=5.0, D: float=0.02, lambda_darcy: float=0.02, 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(
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{
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"length": L,
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"diameter": D,
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"lambda_darcy": lambda_darcy,
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"p0": p0,
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"T0": T0,
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}
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)
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self.set_parameter_values({'length': L, 'diameter': D, 'lambda_darcy': lambda_darcy, 'p0': p0, 'T0': T0})
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self.medium = medium
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self.L = L
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self.D = D
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@@ -108,82 +27,10 @@ class ResistivePipe(AlgebraicComponent):
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self.p0 = p0
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self.T0 = T0
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self.area = pi * D * D / 4.0
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initial_h = medium.specific_enthalpy(T0)
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self.port_a = self.register_declared_port("port_a")
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self.port_a.p = p0
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self.port_a.h_outflow = initial_h
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self.port_b = self.register_declared_port("port_b")
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self.port_b.p = p0
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self.port_b.h_outflow = initial_h
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self.port_a = self.register_declared_port('port_a')
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self.port_b = self.register_declared_port('port_b')
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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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) -> ResistivePipe:
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return cls(
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name=name,
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medium=medium,
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L=parameters["length"],
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D=parameters["diameter"],
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lambda_darcy=parameters["lambda_darcy"],
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p0=parameters["p0"],
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T0=parameters["T0"],
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)
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def pressure_drop(self, m_flow_a: float, p_a: float, p_b: float) -> float:
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average_pressure = max(0.5 * (p_a + p_b), 1.0)
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density = max(self.medium.density(average_pressure, self.T0), 1e-12)
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resistance = self.lambda_darcy * (self.L / self.D)
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return (
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resistance
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* m_flow_a
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* abs(m_flow_a)
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/ (2.0 * density * self.area * self.area)
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)
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def pressure_flow_equation_residuals(self) -> tuple[EquationResidual, ...]:
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return (
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EquationResidual(
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id=f"{self.name}:mass_flow_balance",
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owner="component",
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owner_id=self.name,
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relation="sumToZero",
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variables=(
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f"{self.name}.port_a.m_flow",
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f"{self.name}.port_b.m_flow",
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),
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role="flow",
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value=self.port_a.m_flow + self.port_b.m_flow,
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),
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EquationResidual(
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id=f"{self.name}:darcy_pressure_loss",
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owner="component",
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owner_id=self.name,
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relation="constitutive",
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variables=(
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f"{self.name}.port_a.p",
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f"{self.name}.port_b.p",
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f"{self.name}.port_a.m_flow",
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),
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role="effort",
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value=(
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self.port_a.p
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- self.port_b.p
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- self.pressure_drop(
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self.port_a.m_flow,
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self.port_a.p,
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self.port_b.p,
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)
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),
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),
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)
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def update_stream_outflows(self, connected_h: Mapping[str, float]) -> None:
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self.port_a.h_outflow = connected_h["port_b"]
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self.port_b.h_outflow = connected_h["port_a"]
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def create(cls, *, name: str, medium: IdealGasMedium, parameters: Mapping[str, float]) -> ResistivePipe:
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return cls(name=name, medium=medium, L=parameters['length'], D=parameters['diameter'], lambda_darcy=parameters['lambda_darcy'], p0=parameters['p0'], T0=parameters['T0'])
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EQUATIONS = ({'id': '__MODEL__:mass_flow_balance', 'owner': 'component', 'ownerId': '__MODEL__', 'relation': 'sumToZero', 'variables': ['__MODEL__.port_a.m_flow', '__MODEL__.port_b.m_flow'], 'role': 'flow'}, {'id': '__MODEL__:darcy_pressure_loss', 'owner': 'component', 'ownerId': '__MODEL__', 'relation': 'constitutive', 'variables': ['__MODEL__.port_a.p', '__MODEL__.port_b.p', '__MODEL__.port_a.m_flow'], 'role': 'effort'})
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