On Tue, 31 Mar 2015, grandrabbit wrote:
> As I can undertand now, the usage of ParsedFunction is conditional,
Yes.
> depending on if the boundary condition will be applied on a single variable or
> a variable group.
Not quite. It depends on what the index is of the variable you want
to apply it on. If your variables are ordered "u,v,p" then you can
set u equal to "sin(x)". If they're "p,u,v" then you'd need to set u
equal to "{0}{sin(x)}".
The variable groups can affect the efficiency of a given variable
ordering, but they shouldn't affect the component indexing.
(in current code, anyway - we may eventually add some optional
"System::reindex_variables()" command to sort variables into fewer
groups)
---
Roy
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