Implementing evaporation from groundwater in Feflow

Dear Feflowers,

I am working on a model in the Atacama desert and I would need to implement an evaporation function from the water table for specific humid zones in the area (salars).  Is there an embedded function/method to apply this type of concept in Feflow (by analogy I am thinking about the EVT or ETS package in Modflow) or is it necessary to develop a piece of code (or integrate an existing piece of code) ?
Thanks to share your experience about this and best regards.

Loic RAGAS

It is not necessary to write your own code. You can implement a recharge function using the equation editor in FEFLOW. See http://www.feflow.info/320.html for an example. If the animation does not play, please try to use another browser. There are currently some issues with the flash player under certain environments.

Thanks Peter, the demo is very useful. The User defined menu seems to offer a certain degree of flexibility how to represent recharge and/or evapotranspiration.
Best regards

Loic