Fixed concentrations/ fixed temperatures
SPRING-help >> Description oft he data types >> Boundary conditions and source terms >> Transport boundary conditions >>
Attribute: 1KON = [unit depends on the type of transport] (node-wise) (transport model only)
The 1KON attribute can be used to specify fixed concentrations/temperatures at individual nodes (1st type Dirichlet boundary condition). 1KON can be defined as a transient boundary condition as well.