Fully coupled thermal-stress analysis

A fully coupled thermal-stress analysis:

  • is performed when the mechanical and thermal solutions affect each other strongly and, therefore, must be obtained simultaneously;

  • requires the existence of elements with both temperature and displacement degrees of freedom in the model;

  • can be used to analyze time-dependent material response;

  • cannot include cavity radiation effects but may include average-temperature radiation conditions (see Thermal loads); and

  • takes into account temperature dependence of material properties only for the properties that are assigned to elements with temperature degrees of freedom.

In Abaqus/Standard a fully coupled thermal-stress analysis:

  • neglects inertia effects; and

  • can be transient or steady-state.

In Abaqus/Explicit a fully coupled thermal-stress analysis:

  • includes inertia effects; and

  • models transient thermal response.

The following topics are discussed:

Related Topics
Defining an analysis
About heat transfer analysis procedures
In Other Guides
Specifying an inelastic heat fraction
Configuring a fully coupled, simultaneous heat transfer and stress procedure
Configuring a dynamic fully coupled thermal-stress procedure using explicit integration