SMS:ADCIRC Coverage: Difference between revisions

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An ADCIRC [[SMS:Coverages|coverage]] is used to build a conceptual model of an [[SMS:ADCIRC|ADCIRC]] project. The conceptual model defines parameters such as model extents, mesh generation options, and boundary conditions.
#redirect [[SMS:ADCIRC Coverages]]
 
== ADCIRC Conceptual Model Development ==
The following steps are generally followed when creating an ADCIRC conceptual model:
 
=== Define Coastline ===
The coastline can be defined in any of the following manners:
* Read in an existing coastline file (*.cst) (see [[SMS:Map Feature Objects Menu#Model Coverage Types|Create Coastline]]). Coastline files include lists of two-dimensional polylines that may be closed or open. Open polylines are converted to Feature Arcs and are interpreted as open sections of coastline. Closed polylines are converted to arcs and are assigned the attributes of islands.
* Extract a coastline arc from a [[SMS:Scatter Module|scatter set]] using the [[SMS:Scatter Data Menu#Data Conversion Commands|'''Scatter Contour to Feature''']] command.
* Digitize a coastline arc using the [[SMS:Map Module Tools|'''Create Feature Arc''']] tool.
 
=== Define Ocean Boundary ===
Once the coastline has been created, the ocean boundary can be defined in any of the following manners:
* Use the [[SMS:Feature Object Commands|'''Define Domain''']] menu command to automatically generate the ocean boundary.
* Digitize the ocean boundary arc using the [[SMS:Map Module_Tools|'''Create Feature Arc''']] tool.
The ocean boundary can take on a rectangular, semi-circular, or circular shape depending on the coastline form. This will close the domain for the project, giving theuser a defined area where a finite mesh can be created and the ADCIRC model can perform its analysis.
 
=== Build Polygons ===
Build polygons using the [[SMS:Map Feature Objects Menu#General Commands|'''Build Polygons''']] menu command found in the ''Feature Objects'' menu.
 
=== Choose Mesh Generation Method ===
At this point, a choice must be made to generate the mesh using the [[SMS:LTEA|LTEA Toolbox]] or manual mesh generation methods.
 
=== LTEA Toolbox ===
The [[SMS:LTEA|LTEA Toolbox]] can also be used to generate a mesh from a bathymetry scatter set and the ADCIRC coverage created in the previous steps.
 
=== Manual Mesh Generation ===
To manually generate a mesh:
* Use the [[SMS:Map Module Tools|'''Select Feature Polygon''']] tool and double-click on a polygon to open the ''2D Mesh Polygon Properties'' dialog. The user can also use select a polygon and then select '''Attributes''' from the right-click menu or select a polygon and use the [[SMS:Map Feature Objects Menu|'''Attributes''']] menu command to open the ''2D Mesh Polygon Properties'' dialog.
* Set the desired mesh options. See the article on [[SMS:Mesh Generation|mesh generation]] for an explanation of mesh generation.
 
==Related Topics==
* [[SMS:Feature Object Commands|Define Domain]]
* [[SMS:Coverages|Coverages]]
* [[SMS:ADCIRC|ADCIRC]]
* [[SMS:ADCIRC Boundary Conditions|Boundary Conditions]]
* [[SMS:LTEA|Linear Truncation Error Analysis (LTEA)]]
* [[SMS:ADCIRC Mesh|Meshes]]
* [[SMS:ADCIRC Model Control|Model Control]]
* [[SMS:ADCIRC Spatial Attributes|Spatial Attributes]]
* [[SMS:Steering|Steering]]
 
 
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[[Category:ADCIRC|Coverage]]
[[Category:SMS Coverages|A]]
[[Category:SMS Map|A]]

Latest revision as of 19:44, 20 November 2018