Solid

fullflow.Solid

Lumped solid thermal node.

Solid represents a lumped-capacitance thermal mass whose temperature is solved from a steady-state energy balance. The component is intended for conjugate heat transfer networks where conduction, convection, radiation, and other thermal components contribute heat to a common solid node.

Positive heat rates add energy to the solid. Negative heat rates remove energy from the solid.

Parameters

Name	Type	Description
name	str	Component name
network	Network	Network that owns this component
temperature	State	Solid temperature
mass	float, optional	Solid mass
specific_heat	State, optional	Solid specific heat capacity
characteristic_length	State or float, optional	Characteristic length used for Biot number evaluation
thermal_conductivity	State or float, optional	Solid thermal conductivity used for Biot number evaluation
convection_coefficient	State or float, optional	Representative convection coefficient used for Biot number evaluation
biot_number	State, optional	Output Biot number
heat_rate	State or float, optional	Net heat rate into the solid node. Positive values add heat to the solid. Defaults to 0.

Iteration Variables

Name	Type	Description
temperature	State	Solid temperature

Residuals

Name	Type	Description
energy_balance	float	Enforces steady-state thermal equilibrium. heat_rate = 0 The heat rate is typically formed by summing all heat transfer mechanisms connected to the node.