Text Box: Thermal Mechanical Coupling

ADINA TMC is primarily used for coupled thermo-mechanical problems. The program can handle fully coupled problems where the thermal solution affects the structural solution and the structural solution also affects the thermal solution. As well, ADINA TMC can handle one-way coupling where only one of the two physics fields affects the other.


The following mechanical to thermal coupling effects can be included:

 Internal heat generation due to plastic deformations or viscous effects

 Heat transfer between contacting bodies

 Heat generation due to friction


The following thermal to mechanical coupling effects can be included:

 Thermal expansion

 Temperature-dependent mechanical properties

 Temperature gradients in shells


Three examples with thermo-mechanical coupling are shown below.


ADINA-TMC example 0


The first example above involves the coupled thermo-mechanical analysis simulating the electron beam welding process of two tubes. The elasto-plastic material model of the tubes is temperature dependent. Hence, the considerable temperature rise caused by the welding process significantly affects the mechanical properties of the tubes.



ADINA-TMC example 1


The second example above involves the coupled analysis of brake systems. These can be strongly coupled problems with heat transfer due to contact between the disk/rotor and the pads, extensive heat generation caused by friction, temperature-dependent mechanical and thermal properties (the brake components experience a considerable temperature change during braking). For more details, see Automotive Case Studies.


The third example (below) is an exhaust manifold. This example couples structural, thermal, and fluid fields and also requires ADINA FSI to run. The temperature distribution in the manifold is shown below. For more details see Automotive Case Studies.

ADINA-TMC example 2Flowchart: Alternate Process: More Automotive

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FEA Structural

Thermal Mechanical Coupling




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