speedy Posted March 6, 2016 Report Share Posted March 6, 2016 Hello everybody I have a MODFLOW 2000 model, which runs fine. I created MT3DMS model, which also runs fine. The problem is SEAWAT does not converge despite no error appears when I check simulation!. The message appears in mf2kerr.p00 file reads: MATRIX IS SEVERELY NON-DIAGONALLY DOMINANT. CHECK INPUT FILES Any suggestion? Thanks Quote Link to comment Share on other sites More sharing options...
kcornwell Posted March 24, 2016 Report Share Posted March 24, 2016 Speedy, An old Technical Support case of the same error with SEAWAT was solved by changing the density/concentration slope value, as it was too high. Take a look at the definition for this parameter and then come up with a more accurate value and you should see the problem resolved. Regards, Kyle Quote Link to comment Share on other sites More sharing options...
Lau Petersen Posted June 22, 2016 Report Share Posted June 22, 2016 I have had the same problem. I found out that the problem was that I had used negative values for certain model parameters, including horizontal K so I could specify them under MODFLOW -> Parameters, for inverse calibration. The solution was to enter all the parameter values manually after the calibration was done Lau Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.