GMS:MODFLOW-2005: Difference between revisions

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{{only in print|[[Image:Switching_MF2K5.jpg|200px|none|thumb|left|MODFLOW Global Option Dialog]]}}
{{only in print|[[Image:Switching_MF2K5.jpg|200px|none|thumb|left|MODFLOW Global Option Dialog]]}}
Choosing to use MODFLOW 2000 or MODFLOW 2005 is done in the [[GMS:Global_Options/Basic_Package|MODFLOW Global Options Dialog]]. At any time you can switch from one to the other.
Choosing to use MODFLOW 2000 or MODFLOW 2005 is done in the [[GMS:Global_Options/Basic_Package|MODFLOW Global Options Dialog]]. At any time you can switch from one to the other.
{{hide in print|[[Image:Switching_MF2K5.jpg|300px|none|thumb|left|MODFLOW Global Option Dialog]]
{{hide in print|[[Image:Switching_MF2K5.jpg|300px|none|thumb|left|MODFLOW Global Option Dialog]]
}}
}}

Revision as of 22:08, 24 June 2011

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 This contains information about functionality available starting at GMS version 8.0.
The content may not apply to other versions.
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Starting at GMS version 8.0, GMS supports MODFLOW 2005.

Choosing MODFLOW 2000 or MODFLOW 2005

Choosing to use MODFLOW 2000 or MODFLOW 2005 is done in the MODFLOW Global Options Dialog. At any time you can switch from one to the other.

MODFLOW Global Option Dialog

Changes in MODFLOW 2005

The following list shows changes in MODFLOW 2005 from MODFLOW 2000.

1. SOR1 Solver
  • MODFLOW 2005 no longer supports the SOR1 Solver.
2. PCG2 Solver
  • MODFLOW 2005 replaces the DAMP variable with DAMPPCG and DAMPPCGT variables [1]. These two new variables allow different damping factors to be applied separately to steady-state and transient stress periods.
3. UZF Package
4. LPF package
  • MODFLOW 2005 provides more options for the LPF Package. Pictures below show the LPF package options supported in MODFLOW 2000 vs MODFLOW 2005.
MODFLOW 2000 LPF Package Options
MODFLOW 2005 LPF Package Options
5. PES and PEST
  • PES is not available in MODFLOW 2005. Automated calibration in GMS is handled using PEST.
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