Thermoelastic Damping
This subnode should be used to model heat generation due to changes in stress, which may be important in small structures vibrating at high frequencies.
Thermoelastic Damping
The Thermoelastic damping Qted should be specified either as a User defined value, or as the thermoelastic damping contribution straight from the solid mechanics interfaces, when you add a Thermal Expansion subnode (with the Structural Mechanics Module). In the latter case it is defined by
where S is the second Piola-Kirchhoff tensor and α is the coefficient of thermal expansion.
Thermal Expansion (for Materials) in the Structural Mechanics Module User’s Guide
Location in User Interface
Context menus
Heat Transfer in Solids>Solid>Thermoelastic Damping
More locations are available. For example:
Heat Transfer in Fluids>Solid>Thermoelastic Damping
Ribbon
Physics Tab with Solid selected in the model tree:
Attributes>Thermoelastic Damping