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If General inward heat flux is selected, it adds q0 to the total flux across the selected edges. Enter a value for q0 to represent a heat flux that enters the layer. For example, any electric heater is well represented by this condition and its geometry can be omitted.
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If Convective heat flux is selected, it adds q0 in the form q0 = h ⋅ (Text − T). Enter the Heat transfer coefficient h and the External temperature Text. This latter value depends on the geometry and the ambient flow conditions. For User defined, enter a value or expression. Else, select an Ambient temperature defined in the Ambient Settings section of a Heat Transfer or Heat Transfer in Shells interface.
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3D Components: If Heat rate is selected, it adds q0 in the form q0 = P0 ⁄ A where A = Lds (for Thin Layer), A = Ldf (for Thin Film), or A = Ldfr (for Fracture), and L is equal to the length of the edge selection. Enter the heat rate P0.
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When Line Heat Flux is applied on a pair, the flux is only applied on the edge adjacent to the source boundary which is in contact with the destination boundary. Consider adding another pair with opposite source and destination boundaries to apply a flux on the edge adjacent to the destination boundary and in contact with the source boundary.
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