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source term in transport equation

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Old   March 14, 2012, 11:11
Default source term in transport equation
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Dear all,
I am doing one phase modeling of a settling column.

I am trying to define a convective flux (div($$SettlingVelocity*${Passive Scalar}*$Density)) through the source term of the passive scalar ( in my case passive scalar is the solid fraction).

$$SettlingVelocity is a field function that depends on ${Passive Scalar}.

Is it possible to define it as a convection term the way they do it in Fluent? like: dot($$SettlingVelocity,$$Area)*$DensityUser

I get this error that the field function can not be calculated on the cells of the region.
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settling flux, source term

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