278 lines
9.6 KiB
Python
278 lines
9.6 KiB
Python
from __future__ import annotations
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from abc import ABC, abstractmethod
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from collections.abc import Mapping
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from typing import TYPE_CHECKING, Any, ClassVar
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from app.simulation.core.catalog import ComponentDisplaySpec
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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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ResultVariableDefinition,
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ResultVariableMetadata,
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THERMODYNAMIC_VOLUME_RESULT_VARIABLES,
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)
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from app.simulation.core.ports import PortDefinition, PortState
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if TYPE_CHECKING:
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from app.simulation.core.medium import GasMedium
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class Component(ABC):
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MODEL_TYPE: ClassVar[str | None] = None
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MODEL_VERSION: ClassVar[str | None] = None
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PORTS: ClassVar[tuple[PortDefinition, ...]] = ()
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PARAMETERS: ClassVar[tuple[ParameterDefinition, ...]] = ()
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RESULT_VARIABLES: ClassVar[tuple[ResultVariableDefinition, ...]] = ()
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DISPLAY: ClassVar[ComponentDisplaySpec | None] = None
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def __init__(self, name: str) -> None:
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self.name = name
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self.model_type = self.MODEL_TYPE or self.__class__.__name__.lower()
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self._ports: dict[str, PortState] = {}
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self._parameter_values: dict[str, float] = {}
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@property
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def ports(self) -> dict[str, PortState]:
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return dict(self._ports)
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@property
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def port_definitions(self) -> tuple[PortDefinition, ...]:
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return tuple(
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port.definition
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for port in self._ports.values()
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if port.definition is not None
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)
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def register_port(self, port: PortState) -> PortState:
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definition = port.definition
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if definition is None:
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raise ValueError(f"Component {self.name} cannot register an undefined port.")
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if definition.name in self._ports:
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raise ValueError(f"Duplicate port {self.name}.{definition.name}.")
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self._ports[definition.name] = port
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return port
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def register_declared_port(self, name: str) -> PortState:
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try:
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definition = next(item for item in self.PORTS if item.name == name)
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except StopIteration as exc:
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raise ValueError(
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f"Component model {self.model_type} does not declare port {name}."
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) from exc
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return self.register_port(PortState(definition=definition))
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def set_parameter_values(self, values: Mapping[str, float]) -> None:
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definitions = {definition.name: definition for definition in self.PARAMETERS}
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unknown = sorted(set(values) - set(definitions))
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if unknown:
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raise ValueError(
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f"Component {self.name} contains unsupported parameters: "
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+ ", ".join(unknown)
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+ "."
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)
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missing = sorted(set(definitions) - set(values))
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if missing:
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raise ValueError(
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f"Component {self.name} is missing parameters: "
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+ ", ".join(missing)
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+ "."
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)
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resolved: dict[str, float] = {}
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for name, definition in definitions.items():
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value = float(values[name])
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message = definition.validation_message(value)
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if message is not None:
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raise ValueError(
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f"Parameter '{name}' on component '{self.name}' {message}."
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)
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resolved[name] = value
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self._parameter_values = resolved
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@property
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def parameter_values(self) -> dict[str, float]:
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return dict(self._parameter_values)
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def get_port(self, name: str) -> PortState:
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try:
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return self._ports[name]
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except KeyError as exc:
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raise ValueError(f"Component {self.name} has no port named {name}.") from exc
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def component_result_values(self) -> Mapping[str, float]:
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return {}
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def result_values(self) -> dict[str, float]:
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component_values = dict(self.component_result_values())
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declared = {definition.name: definition for definition in self.RESULT_VARIABLES}
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unknown = sorted(set(component_values) - set(declared))
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if unknown:
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raise ValueError(
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f"Component {self.name} returned undeclared result variables: "
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+ ", ".join(unknown)
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+ "."
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)
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values: dict[str, float] = {}
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for name, definition in declared.items():
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if not definition.visible:
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continue
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if name not in component_values:
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raise ValueError(
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f"Component {self.name} did not provide declared result variable {name}."
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)
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values[name] = float(component_values[name])
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for port_definition in self.port_definitions:
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port = self.get_port(port_definition.name)
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for variable in port_definition.variables:
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if not variable.result_visible:
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continue
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values[f"{port_definition.name}.{variable.name}"] = float(
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getattr(port, variable.name)
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)
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return values
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def result_variable_metadata(self) -> tuple[ResultVariableMetadata, ...]:
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metadata = [
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ResultVariableMetadata(
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key=f"{self.name}.{definition.name}",
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component_id=self.name,
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component_type=self.model_type,
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scope="component",
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name=definition.name,
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label=definition.label,
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quantity=definition.quantity,
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unit=definition.unit,
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category=definition.category,
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order=definition.order,
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)
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for definition in self.RESULT_VARIABLES
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if definition.visible
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]
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for port_definition in self.port_definitions:
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for variable in port_definition.variables:
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if not variable.result_visible:
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continue
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metadata.append(
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ResultVariableMetadata(
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key=f"{self.name}.{port_definition.name}.{variable.name}",
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component_id=self.name,
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component_type=self.model_type,
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scope="port",
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port_name=port_definition.name,
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name=variable.name,
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label=variable.label or variable.name,
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quantity=variable.quantity or variable.name,
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unit=variable.unit,
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category=variable.role,
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order=variable.order,
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)
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)
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return tuple(metadata)
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def parameter_interface_dicts(self) -> list[dict[str, object]]:
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return [
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definition.as_interface_dict(
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value=self._parameter_values.get(definition.name)
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)
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for definition in self.PARAMETERS
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]
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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: GasMedium,
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parameters: Mapping[str, float],
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) -> Component:
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"""Create a catalog model from normalized SI parameters."""
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raise NotImplementedError(
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f"Component model {cls.__name__} must implement create()."
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)
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def pressure_flow_equation_residuals(self) -> tuple[EquationResidual, ...]:
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"""Return algebraic residuals after the network assigns port states."""
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return ()
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def update_stream_outflows(self, connected_h: Mapping[str, float]) -> None:
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"""Update connector outflow properties from current flow directions."""
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return None
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class DynamicComponent(Component):
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state_size = 2
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@staticmethod
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def actual_stream_enthalpy(
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port_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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"""Approximate `actualStream(port.h_outflow)` for a mixed control volume port."""
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return connected_h if port_m_flow > 0.0 else internal_h
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def connection_inlet_enthalpy(
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self,
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port_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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"""Resolve the enthalpy convected into this control volume through one port."""
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return self.actual_stream_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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@abstractmethod
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def get_state_vector(self) -> list[float]:
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raise NotImplementedError
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@abstractmethod
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def set_state_vector(self, values: list[float]) -> None:
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raise NotImplementedError
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def refresh_thermodynamic_ports(self) -> Any:
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raise NotImplementedError
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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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raise NotImplementedError
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class ThermodynamicVolumeComponent(DynamicComponent):
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"""Two-state gas volume exposing the shared thermodynamic result contract."""
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RESULT_VARIABLES = THERMODYNAMIC_VOLUME_RESULT_VARIABLES
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def component_result_values(self) -> Mapping[str, float]:
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state = self.get_state_vector()
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if len(state) < 2:
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raise ValueError(
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f"Thermodynamic component {self.name} must expose mass and energy states."
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)
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properties = self.refresh_thermodynamic_ports()
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return {
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"m": float(state[0]),
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"U": float(state[1]),
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"p": float(properties.p),
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"T": float(properties.T),
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"rho": float(properties.rho),
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"u": float(properties.u),
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"h": float(properties.h),
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}
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class AlgebraicComponent(Component):
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"""Stateless element described by algebraic constraints only."""
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