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Found 2 results

  1. Hello, it is often the case to treat WEL package data (e. g. well pumping/injection rate or specified flow BCs) as adjustable parameters when doing inverse modelling for parameter estimation or optimisation. I would like to see a better GMS handlig of this. One cannot use conceptual model at all when trying to define specified inflow BCs as parameters, because GMS treats the Key value as flow rate and distribute it between the cells intersected by the BC conceptual model geometry. In the case of pumping well it is possible to specify Key value in the conceptual model and map it to MO
  2. I've a Local Model of a site that include a slope from 300 to 350 m asl. A cross-section is attached to the post. I set up a Modflow Ugrid model with only 1 layer. Now I'm asked to insert a Barrier, so I need a new layer because Barriers don't reach the bottom of the aquifer. Is it correct to insert a new layer with constant top elevation (320 m abs) and set inactive the cells where the top elevation is less than 320? The Coverage for the Boundary condition (CHD at elevation 300 m asl, see attached cross section) is to be set to Autoassign BC including lower cells? How can
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