Jump to content
GMS, SMS, and WMS User Forum


  • Content count

  • Joined

  • Last visited

Community Reputation

0 Neutral

About Jonas

  • Rank
    Senior Member

Profile Information

  • Location

Recent Profile Visitors

934 profile views
  1. Fixed pilot points in PEST NSMC

    Unfortunately not. Strange since the whole model works without fixed PP.
  2. Fixed pilot points in PEST NSMC

    I just tested the model again without parallel PEST and got the same error message: "pest has stopped working". I get this when I make a parameter estimation run with noptmax = -2. I also got this error message when from this run: The whole process before seems to work fine
  3. Fixed pilot points in PEST NSMC

    I tried both the nightly build and the latest update (10.3.4) but received this error message: The model works fine in NSMC with the NWT solver without fixed PP. Any ideas on how to solve the issue? Kind regards, Jonas
  4. GMS 10.3 Update

    10.3.4? I can only see 10.3.3 from Sept 17 on the download list.
  5. Often when I initiate a PEST run with SVD-assist and NOPTMAX = -2 or -1 the process ends with the message "cannot find Jacobian array file". The process starts with a calculation of the Jacobian matrix: But ends like this: It always works when I run the model without pilot points. A forward run with the pilot points also works. I have managed to run both a parameter estimation and NSCM with SVD-assists before with the same model constraints but when experience this problem when I attempt to make changes in the model. Ideas on how to solve this issue?
  6. Fixed pilot points in PEST NSMC

    An update, my own model was possible to run after using the SUBREG1 utility in PEST. A problem is that my own model with a fixed pilot point is only possible to run for log-uniform distributions with the RANDPAR utility. When I try to create log-normal distributions in RANDPAR i get the error message seen in the screenshot below. Ideas on how to solve this issue are appreciated.
  7. Fixed pilot points in PEST NSMC

    I used Kriging for interpolation of the pilot points. Yes, that was the procedure for the tutorial file. When I run my own model something seems to go wrong with svd-assist since the sensitivity file for svd-assist is empty.
  8. Fixed pilot points in PEST NSMC

    An update on this matter. As suggested by Michal, I was able to run the PARREP and RANDPAR utility in PEST to create the *.par files for the different runs. Before running PARREP, I ran a parameter estimation run in GMS with NOPTMAX = -1 to create a *.bpa file. After running RANDPAR I was able to perform the normal procedure for a NSMC inverse calibration run in GMS. This worked out well for the NSMC tutorial with "sc1v56" as a fixed pilot points (keeping value 400 in screenshot below). I cross my fingers that it also works for my own model. However, I would appreciate if this procedure could work directly in GMS.
  9. PEST, SVD and SVD-assist

    Thank you again Michal. Now I was able to follow your suggested procedure with a fixed pilot point in the NSMC tutorial and it worked out quite good. Please refer to my other thread on this matter.
  10. I have problems running PEST NSMC with fixed pilot points. Both in my own model and in the NSMC tutorial files, I get the same error message "Cannot open parameter value file nsmcII_200_random_nul.par." and the simulation finishes without completing any iteration. Is this a bug i in GMS? Kind regards, Jonas
  11. PEST, SVD and SVD-assist

    Now I try to run the RANDPAR utility in the command prompt but get the error message "Cannot open covariance matrix file hk_12.matrix."
  12. PEST, SVD and SVD-assist

    The exact error message while running PEST with NSMC is "cannot open parameter value file m20s20000_random_nul1.par". If someone has an idea on this error message it would be very appreciated.
  13. PEST, SVD and SVD-assist

    Thanks Michal and Julian for your replies. Eventually I might end up running PEST outside of GMS if it does not work. I managed to get a parameter estimation run with svd-assist to work. I also managed to get a PEST NSMC run to work. But, when I want to repeat the procedure with fixed pilot points I get a message: "Cannot find sm20s20000_random_nul1.par". I cannot find the corresponding file in the folder of the model file neither. As I wrote in my first post I find it quite arbitrary when PEST works together with GMS. I would be happy with a response from someone from GMS's developing team on this issue.
  14. PEST, SVD and SVD-assist

    Thanks for your quick reply Michal, I agree on that it seems like PEST is doing its job but GMS does not read in the result properly. But I can't find the reason for this since the same modelling procedure has worked for other models. Quite frustrating. How do use the PARREP utility? Should I use it outside of GMS interface? Kind regards, Jonas
  15. PEST, SVD and SVD-assist

    This is what typically happens when running with SVD-assist. As can be seen from the blue marked line, PEST is able to reduce the error to 98.885 from the initial error of 155.76. But, then something goes wrong since this solution never comes up as a iteration before the parameter estimation is finished.