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Posted Wed, 28 Oct 2020 14:23:05 GMT by Felipe Gutiérrez
Hi! :)

I'm almost done with my thesis model (yay!) and I'm now addressing the water recharge issue.

My idea is to make from element selections (shown in attached picture), element groups, so I can make a mathematical expression for recharge based on lithology. Is it possible? and how?

I'd love to do something like Q=m*Z+n but with 'if' statements based on lithology. So in summary it'd be like:

if group==rock1: Q=m1*Z+n1
else group==rock2: Q=m2*Z+n2

Is it possible to make it?

Update: I know it is matter in this case to select and apply different equations, but I think this 'if' feature in FEFLOW has a lot of potential.

Kind regards.
Posted Thu, 29 Oct 2020 06:44:35 GMT by Peter Schätzl Grundwassermodellierer
The grouping can be done in an elemental user data distribution. It does not support strings ('rock1'), but you can encode your rock types in float numbers (1.0, 2.0, ...) and apply the 'if' statement to those.
Posted Fri, 30 Oct 2020 13:02:15 GMT by Felipe Gutiérrez
Thank you Peter!

Kind regards.

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