GMS:HydroGeoSphere Polygon Properties: Difference between revisions

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The ''Polygon Properties'' dialog is where the parameters for a polygon in a boundary conditions or hydrograph coverage are defined in a HydroGeoSphere model. Only one type of boundary condition can be assigned to a feature object on a boundary conditions coverage. For hydrograph coverages, "Hydrograph" is the only option available to assign to a feature object.
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[[File:HGS arc prop.png|thumb|450 px|''Arc Properties'' dialog for the boundary conditions coverage]]
The ''Polygon Properties'' dialog in the HydroGeoSphere model is where a polygon or polygons can be assigned a boundary condition. There are four options for the polygon properties, which are listed on the left side of the dialog: head, flux, rain, and potential evapotranspiration. The input parameters are shown on the right when one of the four boundary conditions is selected. Only one type of boundary condition can be assigned to a feature object on a boundary conditions coverage.  


==Head or Flux, Boundary Conditions Coverage==
Polygons are mapped to the points (i.e. nodes in HGS) or faces inside the polygon, but not on the polygon boundary. For faces, polygons map to UGrid top faces, not vertical faces.
* Head – node
* Flux – face
* Rain – face
* Potential evapotranspiration – face
[[File:HGS polygon properties.png|thumb|450px|''Polygon Properties'' dialog for the boundary conditions coverage]]
 
==Head or Flux==
Head and flux are two separate available arc property types on a boundary conditions coverage, but the input options available are the same. Head is a general specified head boundary condition, and flux is a general specified flux boundary condition. The input options for head and flux are listed below.
Head and flux are two separate available arc property types on a boundary conditions coverage, but the input options available are the same. Head is a general specified head boundary condition, and flux is a general specified flux boundary condition. The input options for head and flux are listed below.
* ''Name'' – Enter a name for the arc.
* ''Name'' – The name of the boundary condition. Names should be unique and contain no white space.
* ''Domain'' – The domain in which the boundary condition is applied.
* '''Domain''' – The domain in which the boundary conditions are applied.
**"Porous media" – Set properties for porous media.
** ''Porous media''
*** ''Minimum sheet'' – Boundary conditions will be applied between the minimum and maximum node sheets.
*** ''Minimum sheet'' – The minimum node sheet; boundary conditions are applied between the minimum and maximum node sheets.
*** ''Maximum sheet'' – Boundary conditions will be applied between the minimum and maximum node sheets.
*** ''Maximum sheet'' – The maximum node sheet; boundary conditions are applied between the minimum and maximum node sheets.
*** ''Input type'' – How the boundary condition data is specified.
*** ''Input type'' – How the boundary condition data is specified.
**** "Constant"
**** ''Constant'' – Constant value of the boundary condition.
***** ''Constant (start)'' – Constant value of the boundary condition at the start of the arc.
**** ''Time series'' – Time-varying values of the boundary condition. A table is generated using the ''XY Series Editor'' dialog that is opened by clicking the '''Edit XY Series''' button by either manually entering the data, or importing the data.
***** ''Constant (end)'' – Constant value of the boundary condition at the end of the arc.
***** ''Interpolate''
**** "Time series"
**** ''Time rasters'' – The '''Edit Table...''' button opens the ''Time raster table'' dialog where the data is entered by selecting a raster from outside GMS.
***** ''Time series (start)'' – Time-varying values of the boundary condition at the start of the arc.
***** ''Time series (end)'' – Time-varying values of the boundary condition at the end of the arc.
***** ''Interpolate'' – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
***** ''Interpolate'' – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
***** ''Map to grid boundary'' – Map boundary condition to the boundary of the grid (not the interior).
** ''Surface flow''
**"Surface flow" – Set properties for surface flow.
*** ''Input type'' – How the boundary condition data is specified.
*** ''Input type'' – How the boundary condition data is specified.
**** "Constant"
**** ''Constant'' – Constant value of the boundary condition.
***** ''Constant (start)'' – Constant value of the boundary condition at the start of the arc.
**** ''Time series'' – Time-varying values of the boundary condition. A table is generated using the ''XY Series Editor'' dialog that is opened by clicking the '''Edit XY Series''' button by either manually entering the data, or importing the data.
***** ''Constant (end)'' – Constant value of the boundary condition at the end of the arc.
***** ''Interpolate'' – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
***** ''Map to grid boundary'' – Map boundary condition to the boundary of the grid (not the interior).
**** ''Time rasters'' – The '''Edit Table...''' opens the ''Time raster table'' dialog where the data is entered by selecting a raster from outside GMS.
**** "Time series"
***** ''Time series (start)'' – Time-varying values of the boundary condition at the start of the arc.
***** ''Time series (end)'' – Time-varying values of the boundary condition at the end of the arc.
***** ''Interpolate'' – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
***** ''Interpolate'' – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
***** ''Map to grid boundary'' – Map boundary condition to the boundary of the grid (not the interior).


==Simple River or Simple Drain, Boundary Conditions Coverage==
==Rain or Potential Evapotranspiration==
Simple river and simple drain are two separate available arc property types on a boundary conditions coverage, but the input options available are the same. Simple river is a river flux drainage boundary condition, and simple drain is a drain flux drainage boundary condition. The input options for simple river and simple drain are listed below.
Rain is a general specified flux boundary condition that converts fluxes to nodal volumetric fluxes. Potential evapotranspiration is a specified flux which is used in conjunction with evapotranspiration properties and is applied as a second-type boundary condition. Rain and potential evapotranspiration are two different polygon boundary condition options, but they contain the same input parameter options, which are listed below.
* ''Name'' – Enter a name for the arc.
* ''Name'' – The name of the boundary condition. Names should be unique and contain no white space.
* ''Input type'' – How the boundary condition data is specified.
* '''Input type''' – How the boundary condition data is specified.
** "Constant"
** ''Constant'' – Constant value of the boundary condition.
*** ''Constant (start)'' – Constant value of the boundary condition at the start of the arc.
** ''Time series'' – Time-varying values of the boundary condition. A table is generated using the ''XY Series Editor'' dialog that is opened by clicking the '''Edit XY Series''' button by either manually entering the data, or importing the data.
*** ''Constant (end)'' – Constant value of the boundary condition at the end of the arc.
*** ''Interpolate'' – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
*** ''Map to grid boundary'' – Map boundary condition to the boundary of the grid (not the interior).
** ''Time raster table'' – The '''Edit Table...''' opens the ''Time raster table'' dialog where the data is entered by selecting a raster from outside GMS.
** "Time series"
*** ''Time series (start)'' – Time-varying values of the boundary condition at the start of the arc.
*** ''Time series (end)'' – Time-varying values of the boundary condition at the end of the arc.
*** ''Interpolate'' – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
*** ''Interpolate'' – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
*** ''Map to grid boundary'' – Map boundary condition to the boundary of the grid (not the interior).
==Critical Depth, Boundary Conditions Coverage==
The critical depth boundary condition determines the rate at which mass is leaving the model domain.
* ''Name''
* ''Transient'' – Define a time value table to turn the boundary condition on and off. Values of -99999 indicate that the BC is turned off.
** ''Time series'' – Time value table. Values of -99999 indicate that the BC is turned off.
* ''Map to grid boundary'' – Map boundary condition to the boundary of the grid (not the interior).
[[File:HGS arc prop hydrograph.png|thumb|300px|''Arc Properties'' dialog for the Hydrograph coverage]]
==Hydrograph, Hydrograph Coverage==
Assigning "hydrograph" to an arc on a hydrograph coverage in a HydroGeoSphere model allows GMS to record hydrograph data during the model run. This requires that "Hydrograph" is set as the parameter for an arc HydroGeoSphere hydrograph coverage, which is done inside the ''Arc Properties'' dialog. The coverage then needs to be added to the simulation. Upon the simulation run, GMS will output detailed flow rate information at each time step for each arc that has been assigned a hydrograph.
* ''Name'' – A descriptive name for the hydrograph, which can be up to 80 characters.
* ''Map to grid boundary'' – Map grid to the boundary of the grid, not the interior.


==Related Topics==
==Related Topics==

Latest revision as of 22:27, 7 July 2024


HydroGeoSphere
Models & Tools
HGS Simulation Control
HGS Materials
HGS Coverages
HGS Arc Properties
HGS Point Properties
HGS Polygon Properties
HGS Renumber UGrid
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The Polygon Properties dialog in the HydroGeoSphere model is where a polygon or polygons can be assigned a boundary condition. There are four options for the polygon properties, which are listed on the left side of the dialog: head, flux, rain, and potential evapotranspiration. The input parameters are shown on the right when one of the four boundary conditions is selected. Only one type of boundary condition can be assigned to a feature object on a boundary conditions coverage.

Polygons are mapped to the points (i.e. nodes in HGS) or faces inside the polygon, but not on the polygon boundary. For faces, polygons map to UGrid top faces, not vertical faces.

  • Head – node
  • Flux – face
  • Rain – face
  • Potential evapotranspiration – face
Polygon Properties dialog for the boundary conditions coverage

Head or Flux

Head and flux are two separate available arc property types on a boundary conditions coverage, but the input options available are the same. Head is a general specified head boundary condition, and flux is a general specified flux boundary condition. The input options for head and flux are listed below.

  • Name – The name of the boundary condition. Names should be unique and contain no white space.
  • Domain – The domain in which the boundary conditions are applied.
    • Porous media
      • Minimum sheet – The minimum node sheet; boundary conditions are applied between the minimum and maximum node sheets.
      • Maximum sheet – The maximum node sheet; boundary conditions are applied between the minimum and maximum node sheets.
      • Input type – How the boundary condition data is specified.
        • Constant – Constant value of the boundary condition.
        • Time series – Time-varying values of the boundary condition. A table is generated using the XY Series Editor dialog that is opened by clicking the Edit XY Series button by either manually entering the data, or importing the data.
          • Interpolate
        • Time rasters – The Edit Table... button opens the Time raster table dialog where the data is entered by selecting a raster from outside GMS.
          • Interpolate – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
    • Surface flow
      • Input type – How the boundary condition data is specified.
        • Constant – Constant value of the boundary condition.
        • Time series – Time-varying values of the boundary condition. A table is generated using the XY Series Editor dialog that is opened by clicking the Edit XY Series button by either manually entering the data, or importing the data.
          • Interpolate – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
        • Time rasters – The Edit Table... opens the Time raster table dialog where the data is entered by selecting a raster from outside GMS.
          • Interpolate – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.

Rain or Potential Evapotranspiration

Rain is a general specified flux boundary condition that converts fluxes to nodal volumetric fluxes. Potential evapotranspiration is a specified flux which is used in conjunction with evapotranspiration properties and is applied as a second-type boundary condition. Rain and potential evapotranspiration are two different polygon boundary condition options, but they contain the same input parameter options, which are listed below.

  • Name – The name of the boundary condition. Names should be unique and contain no white space.
  • Input type – How the boundary condition data is specified.
    • Constant – Constant value of the boundary condition.
    • Time series – Time-varying values of the boundary condition. A table is generated using the XY Series Editor dialog that is opened by clicking the Edit XY Series button by either manually entering the data, or importing the data.
      • Interpolate – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.
    • Time raster table – The Edit Table... opens the Time raster table dialog where the data is entered by selecting a raster from outside GMS.
      • Interpolate – Causes time-varying values to be interpolated, resulting in a smoother application of the time-varying function.

Related Topics


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