MODFLOW Users Group

Hi Richard, Thank you for your help - the mf6io.pdf absolutely pointed me in the right direction (I

Hello everyone, I'm getting started with groundwater modeling and I'm having some

Milan, I'm not a ModelMuse user, but I'm sure it has a few tutorials about PEST (https://www.

As a first option I recommend moving your project on a computer drive. Never use a synching folder to

I am using MODFLOW 6 with Flopy. I am stuck with the CSUB package. I want to get the outputs of the

Great Mart I did a TikTok about it: Know more about the VS Code extension for MODFLOW 6. https://www.

Thank you. The Pest calibration is still giving some problems even with paramter restrictions and the

Hi, I'm calibrating a MODFLOW-2005 model using PEST through ModelMuse. In the locations of the

Dear MT, Thank you for sharing this question — it's a situation many of us have faced with

Hi all, I'm excited to share a new groundwater tool that allows us to instantly generate

ModelMuse generates a batch file that renames your steady.mfsim.nam to mfsim.nam just before running

Hi, Possible causes are boundary condition, contrasting hydraulic conductivity (> 2 order of

Dear Sir/Madam: Would appreciate Shoreline modelling experts to contact me on rakeshcshah2003@yahoo.

This is a rather conceptual question, and the answer may be different depending a few factors. I

Hello everyone, I'm currently developing a groundwater flow model in ModelMuse using MODFLOW 2005

How about a unit number of five (+5). MODFLOW sometimes use a negative number to indicate that a

Thank you Andras! I used "/r" parameter and it worked finely. El miércoles, 15 de octubre

In Visual MODFLOW Flex, go to Numerical Model → Property Zone → IBOUND (Active/Inactive). Select the

Hi, I was hoping I could get some advice about improving the stability of my SWR channel model. The

Happy to share that the report "Methodology for hydrological and hydrogeological modelling of

Hey, I am trying to build a model where one side of a coastal unconfined aquifer has a constant flux

Dear Jakab Thank you for your suggestion and explanation. I looked into PESTPP-SWP and it does appear

Hello everyone! I have a general question about the GHB and HFB packages on GMS (forgive my lack of

Dear all, I am running a model with modflow-lgr-2 with pumping wells and keyword MNW2. Pumping wells

Hi all, I need the NWT solve table in the MODFLOW .out (the block under SOLVING FOR HEAD with columns

Hi, Try it in flopy. It will be easier and faster. //Ashutosh On Mon, Sep 29, 2025 at 5:45 PM

You are correct. MVE just moves the energy associated with a transfer of fluid. It does not have a

Hi Jakab, thanks for the tip! Em seg., 22 de set. de 2025 às 16:28, Jakab Andras - Gmail <jakaband

Hello Robert, Thank you for your input on this matter. Unfortunately i tried this approach but the

When I say PEST interface, I refer to all input files Flex creates in order to run PEST. These files