Viscoelasticity
Use the Viscoelasticity subnode to add viscous stress contributions to an elastic material model.
Layer Selection
Select the layer or layers for which this viscoelastic model is to be used. The Layer selector inherits the value set in the parent Linear Elastic Material node. When it is set to All layered materials, you cannot access the individual layers.
When the viscoelastic model differs between layers, you will need to add several Viscoelasticity nodes with different layer selections. If the same layer is selected in two Viscoelasticity nodes being active on the boundary, then there will be two viscoelastic contributions.
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All other settings for the Viscoelasticity node are described in the documentation for Viscoelasticity in the Solid Mechanics interface.
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For a general description of layer and interface selections, see The Layer Selection Section.
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You can provide material parameters with a through-thickness variation by explicitly or implicitly using expressions containing the extra dimension coordinate as described in Using the Extra Dimension Coordinates.
Location in User Interface
Context Menus
 Layered Shell>Linear Elastic Material>Viscoelasticity
Ribbon
Physics tab with Linear Elastic Material node selected in the model tree:
Attributes>Viscoelasticity