GMS:BCT Process: Difference between revisions
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==Aquifer Properties== | ==Aquifer Properties== | ||
Cell-by-cell inputs independent of species such as porosity. The table in this section contains four columns. | Cell-by-cell inputs independent of species such as porosity. The table in this section contains four columns. | ||
*Property Name | *''Property Name'' – This column lists all of the available parameter types. The following parameters are available: | ||
*Use Constant | *''Use Constant'' – Checking on this option indicates a constant value will be used for the parameter instead of an array. | ||
*Constant Value | *''Constant Value'' – A value that will be used for the parameter if an array is not being used. | ||
*Array Editor | *''Array Editor'' – Clicking the '''Edit''' button will open the [[GMS:MODFLOW_Array_Editor|array editor]] dialog where array values can be entered. | ||
==Species Properties== | ==Species Properties== |
Revision as of 20:01, 21 August 2018
This contains information about functionality available starting at GMS version 10.4. The content may not apply to other versions. |
The Block Centered Transport (BCT) processs is needed if transport or density dependent flow is to be included in the model.
The BCT Process dialog is divided into two parts: one on the left which shows the main sections, and one on the right which shows the inputs for the current section.
Comments
Comment lines can be added and will appear at the top of the BCT file. Use the Add Row button to create comments. Comments can be removed using the Delete Row button.
Variables
Variables corresponding to item 1a in the BCT input file.
- Transport simulation flag (ITRNSP)
- Cell-by-cell mass flux unit (IBCTCB)
- Number of mobile species (MCOMP)
- Transport active domain (ICBNDFLG)
- Advective term (ITVD)
- Transport solution scheme (ICT)
- Inactive node concentration (CINACT)
- Concentration convergence tolerance (CICLOSE)
- Dispersion formula (IDISP)
- Cross dispersion (IXDISP)
- Molecular diffusion coeff (DIFFNC)
- Zero order decay (IZOD)
- First order decay (IFOD)
- Flux mass balance errors (IFMBC)
- Flow imbalance unit (MBEGWUNF)
- Mass imbalance unit (MBEGWUNT)
- Flow imbalance unit for CLN (MBECLNUNF)
- Mass imbalance unit for CLN (MBECLNUNT)
Species
The list of species. The number of species should equal the Number of mobile species (MCOMP) field in the Variables section. Each species should have a row in the section. On each row the Species ID is shown and the Species Name can be entered.
Use the Add Row button to create species. Species can be removed using the Delete Row button.
Aquifer Properties
Cell-by-cell inputs independent of species such as porosity. The table in this section contains four columns.
- Property Name – This column lists all of the available parameter types. The following parameters are available:
- Use Constant – Checking on this option indicates a constant value will be used for the parameter instead of an array.
- Constant Value – A value that will be used for the parameter if an array is not being used.
- Array Editor – Clicking the Edit button will open the array editor dialog where array values can be entered.
Species Properties
Cell-by-cell inputs that depend on the species, such as adsorption. The table in this section contains five columns.
- Species ID
- Property Name
- Use Constant
- Constant Value
- Array Editor
DDF Comments
Comment lines can be added and will appear at the top of the DDF file. Use the Add Row button to create comments. Comments can be removed using the Delete Row button.
DDF Package
Inputs corresponding to the DDF (Density Driven Flow) package.
- Use DFF Package
- Density of fresh water (RHOFRESH)
- Density of standard solution (RHOSTD)
- Concentration of standard solution (CSTD)
GMS – Groundwater Modeling System | ||
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Modules: | 2D Grid • 2D Mesh • 2D Scatter Point • 3D Grid • 3D Mesh • 3D Scatter Point • Boreholes • GIS • Map • Solid • TINs • UGrids | |
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