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About piccolr

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    Trento, Italy
  1. piccolr

    Transient TINs

    Sure. How can I provide you the information you need?
  2. piccolr

    Transient TINs

    Yes, the MODFLOW stress periods begin at 0.0, 1.0 etc. By interpolating the 2D scattered data, things seem to work correctly! Concerning TINs, the problem is that when I associate the current TIN to the nodes of the arcs in the conceptual model, GMS associates only the TIN corresponding to the last time step selected in the "time step window" (we could say: the current time step of the current TIN), whereas I would like all time steps were associated.
  3. piccolr

    Transient TINs

    Alan, thanks for the reply. I exported the TIN as a txt file and modified it off-line adding one column for each time step. The time step correspond to the stress periods (i.e. both stress periods and time steps of the TIN data set have a 1 day frequency). TheTIN data set has this structure: X Y head|1 head|2 head|3 .... head|nt .. .. .. .. .. .... .. where head|i indicates the aquifer head at the i-th time step. This file is imported as 2D scattered data and interpolated to the existing TIN. Finally, the TIN is used for imposing the BC along the arc representing the cha
  4. piccolr

    Transient TINs

    Dear all, I'm currently dealing with a MODFLOW simulation where the head of an unconfined aquifer changes in time. The assumption is that for a given time and in correspondence of the channel network, the head of the aquifer stays dz meters below the surface. In order to impose suitable boundary conditions, I created a TIN based on the GMS grid (i.e. the two coincide) and I let the TIN have different time step (in order to do this I first exported the TIN, modified it adding nt columns that account for the distance dz of the aquifer from the surface, where nt is the number of time step conside
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