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Transient Modflow model - Stress Periods

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Hello everyone,

I am building a transient MODFLOW model with GMS 7.0 using the conceptual model approach.

There is a huge problem with the number of stress periods I want to run :

- Until I've less than 1001 stress periods, MODFLOW runs, everything is ok

- If I have more than 1000 stress periods, MODFLOW aborts immediatly (I mean it is not a problem of convergence)

Hereunder the error message :

"Excutable started

.....

This file is not a GMS MF2K superfile. Assuming NAM file

......

ALLOCATION OF ARRAYS X, Z, IX AND XHS FAILED

RETURNED ERROR MESSAGE NUMBER : 41

MODFLOW 2000 finished"

I have made many many tests with my files and I have also tested it with entering the data manually directly in the Stress Priod box in Global Options.

Moreover, I don't understand because the option of output control "Enable saving of computed flows for all source sink object" is already unchecked...

Thanks in advance for any help !

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Ok thanks Alan,

I seen you posted a version of modflow with the max number of SP=10 000 but now the link is not available.

How can I get this ? because I Need use more than 1000 SP ...

Thanks in advance !

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Hi

I also have this problem as I wish to run with 3652 stress period. How can I get hold of this addition of GMS, the link does not seem to work.

Thank

Ida

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Have you tried the version of MODFLOW that is distributed with GMS 8.1? I think I changed the one that we distribute so that it will handle 10000 stress periods.

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