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The temperature and the thermal expansion coefficient do not have a spatial variation. For this reason, it is only possible to inherit from a Thermal Expansion node under a material model, not from the Thermal Expansion multiphysics coupling.
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A value or expression for Temperature T, specifying the temperature distribution of the surrounding material. Any temperature variation must be an explicit function of the material frame coordinates. It is not possible to use a computed temperature distribution.
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The Coefficient of thermal expansion α. As a default, values From material are used. This requires that a material has been assigned to the boundaries, edges, or points where the constraint is active.
For User defined select Isotropic, Diagonal or Symmetric to enter one or more components for a general coefficient of thermal expansion tensor α. When a nonisotropic coefficient of thermal expansion is used, the axis orientations are given by the coordinate system selected in the Coordinate System Selection section. |
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A value or expression for the Volume reference temperature Tref that is the temperature at which there are no thermal displacements at the constraints.
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