) and select Advanced Physics Options. By default Classic constraints is selected. Select the Use weak constraints check box to replace the standard constraints with a weak implementation. Select the Discontinuous Galerkin constraints button when Classic constraints do not work satisfactorily.
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The Discontinuous Galerkin constraints option is especially useful to prevent oscillations on inlet boundaries where convection dominates. Unlike the Classic constraints, these constraints do not enforce the temperature on the boundary extremities. This is relevant on fluid inlets where the temperature condition should not be enforced on the walls at the inlet extremities. Note that Discontinuous Galerkin constraints are not supported for resistive thin layers or with turbulent wall functions.
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You can specify a harmonic variation of the temperature value in a frequency domain analysis of perturbation type, by adding a Harmonic Perturbation subnode. See Theory for Harmonic Heat Transfer for more details.
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Steady-State 2D Axisymmetric Heat Transfer with Conduction: Application Library path Heat_Transfer_Module/Tutorials,_Conduction/cylinder_conduction
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