GMS:PCB Package: Difference between revisions
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The Prescribed Concentration Boundary (PCB) package is only used when there is a constant concentration boundary condition in the MODFLOW-USG Transport simulation. | The Prescribed Concentration Boundary (PCB) package is only used when there is a constant concentration boundary condition in the MODFLOW-USG Transport simulation. | ||
A constant concentration boundary condition can be assigned to a | A constant concentration boundary condition can be assigned to a MODFLOW-USG Transport model by using the [[GMS:MODFLOW Source/Sink Dialog|''MODFLOW/MT3DMS Source/Sinks'']] dialog for either selected cells or in the conceptual model. | ||
In the ''MODFLOW Prescribed Concentration Boundary (PCB) Package'' dialog, the following can be edited: | In the ''MODFLOW Prescribed Concentration Boundary (PCB) Package'' dialog, the following can be edited: | ||
*''Stress period'' – | *''Stress period'' – Specifies which stress period is displayed in the table. | ||
*''Use previous'' – Use this option on a stress period to use the values from the previous stress period for the current stress period. This option is unavailable for steady state models and the first stress period of transient models. | *''Use previous'' – Use this option on a stress period to use the values from the previous stress period for the current stress period. This option is unavailable for steady state models and the first stress period of transient models. | ||
*'''Edit All Use Previous''' – This button brings up a spreadsheet allowing the user to quickly edit the ''Use Previous'' flag for all stress periods. | *'''Edit All Use Previous''' – This button brings up a spreadsheet allowing the user to quickly edit the ''Use Previous'' flag for all stress periods. | ||
*''cell ID'' – Changing the cell ID will change which cell contains the concentration boundary. | *''cell ID'' – Changing the cell ID will change which cell contains the concentration boundary. | ||
*''I,J,K'' – These columns show the IJK values of the cells. Editing these values changes which cell will contain the concentration boundary. | <!--*''I,J,K'' – These columns show the IJK values of the cells. Editing these values changes which cell will contain the concentration boundary.--> | ||
*''Species ID'' – List which species has been assigned to the cell. Will only accept values corresponding to existing species as defined in the BCT Process. | *''Species ID'' – List which species has been assigned to the cell. Will only accept values corresponding to existing species as defined in the BCT Process. | ||
*''Concentration'' – The concentration value assigned to the cell. | *''Concentration'' – The concentration value assigned to the cell. | ||
*''Display Cell'' – Allows switching between displaying the cell ID and IJK values in the table. | <!--*''Display Cell'' – Allows switching between displaying the cell ID and IJK values in the table.--> | ||
*'''Delete All''' – This button deletes all values in the dialog. | *'''Delete All''' – This button deletes all values in the dialog. | ||
Latest revision as of 21:29, 6 March 2023
The Prescribed Concentration Boundary (PCB) package is only used when there is a constant concentration boundary condition in the MODFLOW-USG Transport simulation.
A constant concentration boundary condition can be assigned to a MODFLOW-USG Transport model by using the MODFLOW/MT3DMS Source/Sinks dialog for either selected cells or in the conceptual model.
In the MODFLOW Prescribed Concentration Boundary (PCB) Package dialog, the following can be edited:
- Stress period – Specifies which stress period is displayed in the table.
- Use previous – Use this option on a stress period to use the values from the previous stress period for the current stress period. This option is unavailable for steady state models and the first stress period of transient models.
- Edit All Use Previous – This button brings up a spreadsheet allowing the user to quickly edit the Use Previous flag for all stress periods.
- cell ID – Changing the cell ID will change which cell contains the concentration boundary.
- Species ID – List which species has been assigned to the cell. Will only accept values corresponding to existing species as defined in the BCT Process.
- Concentration – The concentration value assigned to the cell.
- Delete All – This button deletes all values in the dialog.
Related Topics
GMS – Groundwater Modeling System | ||
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