规范仿真模型库并完善前端交互
归档仿真模型并补充组件目录、建模规范与校验。 完善控制台、默认节点、视图适配及前端自动化测试。
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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.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.ports import PortDefinition
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from app.simulation.core.state import VolumeState
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class Pipe(ThermodynamicVolumeComponent):
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"""Dynamic pipe retained for the fixed TestModel compatibility example."""
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MODEL_TYPE = "pipe"
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MODEL_VERSION = "0.1.0"
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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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RESULT_VARIABLES = THERMODYNAMIC_VOLUME_RESULT_VARIABLES
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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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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.medium = medium
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self.L = L
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self.D = D
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self.lambda_darcy = lambda_darcy
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self.area = 3.141592653589793 * D * D / 4.0
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self.V = self.area * L
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m0 = p0 * self.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_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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) -> Pipe:
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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 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_b.p = props.p
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self.port_a.h_outflow = props.h
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self.port_b.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_connections(
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port_a_m_flow=self.port_a.m_flow,
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connected_h_a=connected_h["port_a"],
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port_b_m_flow=self.port_b.m_flow,
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connected_h_b=connected_h["port_b"],
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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 inlet_pressure(self, m_flow_a: float, rho: float, core_pressure: float) -> float:
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resistance = self.lambda_darcy * (self.L / self.D)
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dynamic_term = m_flow_a * abs(m_flow_a) / (2.0 * rho * self.area * self.area)
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return core_pressure + resistance * dynamic_term
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def pressure_flow_equation_residuals(self) -> tuple[EquationResidual, ...]:
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properties = 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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)
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expected_inlet_pressure = self.inlet_pressure(
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self.port_a.m_flow,
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max(properties.rho, 1e-12),
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properties.p,
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)
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return (
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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_a.m_flow",
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f"{self.name}.state",
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),
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role="effort",
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value=self.port_a.p - expected_inlet_pressure,
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),
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EquationResidual(
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id=f"{self.name}:port_b_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_b.p", f"{self.name}.state"),
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role="effort",
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value=self.port_b.p - properties.p,
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),
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)
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def port_a_inlet_enthalpy(
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self,
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*,
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port_a_m_flow: float,
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connected_h: float,
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internal_h: float,
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) -> float:
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return self.connection_inlet_enthalpy(
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port_m_flow=port_a_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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def port_b_inlet_enthalpy(
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self,
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*,
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port_b_m_flow: float,
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connected_h: float,
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internal_h: float,
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) -> float:
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return self.connection_inlet_enthalpy(
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port_m_flow=port_b_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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def connection_inlet_enthalpies(
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self,
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*,
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port_a_m_flow: float,
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connected_h_a: float,
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port_b_m_flow: float,
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connected_h_b: float,
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internal_h: float,
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) -> tuple[float, float]:
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return (
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self.port_a_inlet_enthalpy(
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port_a_m_flow=port_a_m_flow,
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connected_h=connected_h_a,
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internal_h=internal_h,
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),
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self.port_b_inlet_enthalpy(
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port_b_m_flow=port_b_m_flow,
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connected_h=connected_h_b,
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internal_h=internal_h,
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),
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)
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def derivatives_from_connections(
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self,
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*,
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port_a_m_flow: float,
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connected_h_a: float,
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port_b_m_flow: float,
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connected_h_b: float,
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internal_h: float,
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) -> VolumeState:
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inlet_h_a, inlet_h_b = self.connection_inlet_enthalpies(
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port_a_m_flow=port_a_m_flow,
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connected_h_a=connected_h_a,
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port_b_m_flow=port_b_m_flow,
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connected_h_b=connected_h_b,
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internal_h=internal_h,
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)
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return self.derivatives(
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inlet_h_a=inlet_h_a,
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inlet_h_b=inlet_h_b,
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m_flow_a=port_a_m_flow,
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m_flow_b=port_b_m_flow,
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)
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def derivatives(
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self,
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inlet_h_a: float,
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inlet_h_b: float,
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m_flow_a: float,
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m_flow_b: float,
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) -> VolumeState:
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dm_dt = m_flow_a + m_flow_b
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dU_dt = m_flow_a * inlet_h_a + m_flow_b * inlet_h_b
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return VolumeState(m=dm_dt, U=dU_dt)
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