45 lines
798 B
Python
45 lines
798 B
Python
from abc import ABC, abstractmethod
|
|
from dataclasses import dataclass
|
|
|
|
|
|
@dataclass
|
|
class Layer:
|
|
thermal_coefficient: float
|
|
thickness: float
|
|
|
|
@property
|
|
def R(self):
|
|
return self.thickness / self.thermal_coefficient
|
|
|
|
|
|
@dataclass
|
|
class Interface(ABC):
|
|
name: str
|
|
area: float
|
|
|
|
@property
|
|
@abstractmethod
|
|
def U(self) -> float: ...
|
|
|
|
|
|
@dataclass
|
|
class LayeredInterface(Interface):
|
|
layers: list[Layer]
|
|
r_surface_1: float
|
|
r_surface_2: float
|
|
|
|
@property
|
|
def U(self) -> float:
|
|
R_layers = sum(layer.R for layer in self.layers)
|
|
R = self.r_surface_1 + R_layers + self.r_surface_2
|
|
return 1 / R
|
|
|
|
|
|
@dataclass
|
|
class FixedUInterface(Interface):
|
|
u_value: float
|
|
|
|
@property
|
|
def U(self) -> float:
|
|
return self.u_value
|