Index
Concentration boundary conditions
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DESCRIPTION

For transport of species problems, at least one boundary condition must be specified on the concentration. Due to the hyperbolic nature of the differential equation governing the transport, this boundary condition should be applied at the inlet(s) of the flow domain.  In the case a non-zero diffusion coefficient is specified,  boundary conditions must be given on the complete boundary.  Note however that in this case,  the absence of boundary condition on some part of the boundary  is equivalent to specifying a zero flux condition.

The title of each entry contains the current type of concentration boundary condition and the boundary set number. Selecting an entry allows the user to modify the current type and/or some parameters of the boundary condition on a particular boundary set. The default boundary condition is : vanishing concentration imposed.

  OPTIONS
 
-1 
 Upper level menu
The current concentration boundary conditions are accepted
i 
 Type_of_concentration_boundary_condition along boundary j
Mnemonic for the type of boundary condition and the boundary set number.
Select this entry to modify the boundary condition.
SEE ALSO