About the $internalField boundary condition
Playing around with some tutorial examples in OF, i've stumped with some weird type of fixedValue boundary condition specification. Something like this:
I've been searching in the guides for months, but never found anything about the $internalField operator. What is the meaning of it? And where can I find lectures about it?
Thanks in advance!!!
You can refer previously defined variables in OpenFOAM dictionaries.
In this case, you would have something like
Although Bernhard reply was somehow sufficient and complete. I can add that for instance for pressure of the domain in free jets that exit to the non-confined environments; we can use this type of boundary condition.
The internal field value is 1e05 pa.
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