Plotting Results in Thin Layers Extra Dimensions
When modeling thin layers with extra dimensions — if the Layer type is set to General in the Thin Layer feature of the Heat Transfer interface, or when using the Thin Layered Shell feature of the Heat Transfer in Thin Shells interface — a new shape function, Txdim, is automatically created. This variable corresponds to the temperature field in the layer. Because the layer is not explicitly represented in the geometry, dedicated tools are available. There are two ways of plotting the temperature in the 1D extra dimension:
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Along the layer, for a fixed coordinate between 0 and ds (the layer thickness) in the 1D extra dimension.
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Through the thin layer, at one position on the boundary
Theory for Heat Transfer in Thin Structures
Thin Layer
Thin Layered Shell (Heat Transfer in Thin Shells Interface)
Using Extra Dimensions in the COMSOL Multiphysics Reference Manual.