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Tentative MODFLOW 6 Development Plans

Last updated June 22, 2022

MODFLOW 6.4.2 (June 2023)

• Bug fixes
• Alpha release of parallelization of multiple coupled models using the Message Passing Interface (MPI)

MODFLOW 6.5.0 (August 2023)

• Groundwater Heat Transport Model
• Particle Tracking (PRT) Model for structured and unstructured grids

Miscellaneous Ongoing Efforts

• Creating packages from memory
• Conductance recalculation as needed
• Condense advanced package functionality into parent class
• Alternative READASARRAYS input for MAW, SFR, LAK, UZF
• Agricultural Demand (AG) Package using API

Requested New Model Types

• Watershed Model

Surface Water Flow Model

• Richard's equation
• Linear Network Flow Model

Requested Features

• XT3D by connection
• Save state mechanism
• Transport and CSUB compatibility #1101
• Allow GWT IDOMAIN to be different from GWF IDOMAIN #1129
• Add lag time to Water Mover #1170
• Add observation utility for GWT SSM Package #1014, #1120
• Allow solver settings to change by stress period #1001
• Allow Initial Conditions (IC) Package to optionally read heads for subsequent periods #826
• Steady state option for solute transport #799