GMS:SSOR Package: Difference between revisions

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{{MODFLOW Links}}
{{MODFLOW Links}}
The SSOR package is a [[GMS:MODFLOW Packages Supported in GMS#Solver Packages|solver packages]] for MODFLOW supported by GMS.  The SOR solver only uses a head change convergence criterion and may result in significant volume budget error.
The SSOR package is one of the [[GMS:MODFLOW Packages Supported in GMS#Solver Packages|solver packages]] for MODFLOW supported by GMS.  The SOR solver only uses a head change convergence criterion and may result in significant volume budget error.


===Maximum iterations per time step===
; Maximum iterations per time step : This value is the maximum solver iterations per time step.  The default value is 50.
This value is the maximum solver iterations per timestep.  The default value is 50.


===Acceleration Parameter===
; Acceleration Parameter : This value is usually between 1.0 and 2.0
This value is usually between 1.0 and 2.0


===Head change criterion for convergance===
; Head change criterion for convergance : When the maximum absolute value of head change from all cells during an interation is less than or equal to the head change criterion, solver iteration stops.
When the maximum absolute value of head change from all cells during an interation is less than or equal to the head change criterion, solver iteration stops.


===Print out interval===
; Print out interval : The maximum absolute head change is printed for each iteration of a time step whenever the time step is an even multiple of the print out interval.  The printout also occurs at the end of each stress period regardless of the print out interval.
The maximum absolute head change is printed for each iteration of a time step whenever the time step is an even multiple of the print out interval.  The printout also occurs at the end of each stress period regardless of the print out interval.


===Reset===
; Reset : This button will change all options to the default state.
This button will change all options to the default state.


[[File:MODFLOW-SOR.jpg|thumb|none|center|320 px|The ''MODFLOW SOR Package'' dialog.]]
[[File:MODFLOW-SOR.jpg|thumb|none|center|320 px|The ''MODFLOW SOR Package'' dialog.]]

Latest revision as of 19:42, 6 March 2023

MODFLOW
Pre-processing
MODFLOW Commands
Building a MODFLOW Model
Map to MODFLOW
Calibration
Packages Supported in GMS
Saving a MODFLOW Simulation
Importing MODFLOW Files
Unsupported MODFLOW Features
Run MODFLOW
Post-processing
MODFLOW Display Options
MODFLOW Post-Processing Viewing Options
Reading a MODFLOW Simulation
Tutorials
Packages
Flow: BCF6, HUF, LPF, UPW
Solvers:

DE4, GMG, NWT, PCG,

PCGN, LMG, SIP, SOR,

SMS
Other:

BAS6, BFH, CHD1, CLN,

DRN1, DRT1, EVT1, ETS1,

GAGE, GHB1, GNC, HFB1,

HUF, LAK3, MNW1, MNW2,

OUT1, RCH1, RIV1, SFR2,

STR1, SUB1, SWI2, WEL1,

UZF1
v • e

The SSOR package is one of the solver packages for MODFLOW supported by GMS. The SOR solver only uses a head change convergence criterion and may result in significant volume budget error.

Maximum iterations per time step
This value is the maximum solver iterations per time step. The default value is 50.
Acceleration Parameter
This value is usually between 1.0 and 2.0
Head change criterion for convergance
When the maximum absolute value of head change from all cells during an interation is less than or equal to the head change criterion, solver iteration stops.
Print out interval
The maximum absolute head change is printed for each iteration of a time step whenever the time step is an even multiple of the print out interval. The printout also occurs at the end of each stress period regardless of the print out interval.
Reset
This button will change all options to the default state.
The MODFLOW SOR Package dialog.


v • e
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