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Posted 10 years ago by hidromatrix
Hi All,

I'm doing a steady-state model where I would like to set recharge as an expression (to incorporate GW level based ET rates and so forth).
I know that for transient runs, the calculate expression values would be set at least on a time-step basis, but for steady-state models, are the expression values updated on each iteration?

Thanks,

Eduado
Posted 10 years ago by adacovsk
No, they aren't. Values are only changed once you assign the expression. See this thread: http://forum.mikepoweredbydhi.com/index.php/topic,2610.0.html
Posted 10 years ago by hidromatrix
That is not correct. If you use the "Current Expression" to assign any boundary or property it will not change dynamically.
However, if right-click on In/outflow and use parameter expression, it will change dynamically.

The only thing that is not clear to me is whether the values are updated on a time step basis or iteration basis (especially for steady-state runs.

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