GMS:PHT3D: Difference between revisions

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|model_type=    geochemical, multi-species reactive transport
|model_type=    geochemical, multi-species reactive transport
|developer=    Henning Prommer, Vicent Post  
|developer=    Henning Prommer, Vicent Post  
|documentation= [http://pht3d.org PHT3D website]
|documentation= [http://pht3d.org PHT3D website] [http://gmsdocs.aquaveo.com/PHT3D_manual_v210.pdf PHT3D Manual]
|tutorials=    [[GMS:Tutorials]]
|tutorials=    [[GMS:Tutorials]]
}}
}}

Revision as of 22:01, 25 February 2013

PHT3D
Model Info
Model type geochemical, multi-species reactive transport
Developer Henning Prommer, Vicent Post
Documentation PHT3D website PHT3D Manual
Tutorials GMS:Tutorials
v • e

PHT3D is a multicomponent transport model for three-dimensional reactive transport in saturated porous media developed and maintained by Henning Prommer and Vicent Post. PHT3D is a combination of MT3DMS and PHREEQC-2. The PHREEQC allows for a variety of low temperature aqueous geochemical reactions.

Basic Transport Package

To use PHT3D, the user selects PHT3D as the Model in the Basic Transport Package dialog.

Define Species

The options that are specific to PHT3D are entered when defining the species for the simulation. When the Define Species button is selected the PHT3D Options dialog comes up. In addition to defining the species for the simulation, the user can enter options specific to PHT3D (such as temperature, activation criterion etc.) See the PHT3D documentation for more information on specific variables in this dialog.

PHT3D requires as part of its input a PHREEQC data base file. The species that can be included in the simulation depend on the contents of the PHREEQC data base file. The browser button near the top of the PHT3D Option dialog allows the user to select a PHREEQC data base file. GMS will parse the contents of this file and make available the species listed in the file. The user also has the option to select a PHT3D-PHREEQC interface file. When an interface package file is chosen GMS assumes that the PHREEQC database file is in the same directory with the name pht3d_datab.dat. In addition to parsing the PHREEQC data base, the interface file is also read and any options that are specific to the species are imported.

All other inputs to PHT3D are the same as MT3DMS. For more information on how to use PHT3D the user is referred to the GMS tutorials.

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