#INFOSWMM

2.5 Reviewing 2D Simulation Output in InfoSWMM 2D

2.5 Reviewing 2D Simulation Output in InfoSWMM 2D

Once the model has been successfully simulated using the Run Manager, you can review the 2D simulation output. You can review the output by creating any of three types of output objects. The following output objects are available:

· 2D Result Point – This gives results at a specific point in a 2D Zone. The available output results for a point are:

· Depth – Depth of water above ground surface

· Direction – Direction of flow (angle in radians counter-clockwise from due East)

· Elevation – Water surface elevation (i.e. ground surface elevation plus Depth)

· Froude Number

· Velocity – meters/second

· Unit Flow – Flow per unit length (i.e. Depth x Velocity)

· 2D Result Line – This gives results along a specific line in the 2D Zone. The available output results for a line are:

· Flow (through results analysis line) – The Flow through results analysis line result is calculated by summing the flows across each line segment.

· Maximum Depth (along results analysis line) – The maximum of the depth values of the 2D mesh elements intersected by the results analysis line.

· Maximum Velocity (normal to results analysis line) – For each 2D mesh element that the 2D Results Line intersect, the maximum of the calculated values is reported as the maximum velocity. This is an absolute value.

· 2D Result Polygon – This gives results within a specific polygonal region in the 2D Zone. The available output results for a polygon are:

· Flow (through results analysis polygon boundary) – For each 2D mesh element that the 2D Results Polygon intersects, the Flow through results analysis polygon boundary result is calculated by summing the flows across each boundary segment. Flow directed into the polygon is counted positive and flow directed out of the polygon is counted negative.

· Maximum Depth (inside results analysis polygon) – The maximum of the depth values of the 2D mesh elements inside the results analysis polygon boundary. Only mesh elements with element centroid within the polygon boundary are included.

· Maximum Velocity (inside results analysis polygon) – The maximum of the velocity values of the 2D mesh elements inside the results analysis polygon boundary. Only mesh elements with element centroid within the polygon boundary are included.

· Volume (enclosed by results analysis polygon) – The Volume enclosed by results analysis polygon result is calculated as the sum of water depth x element area of all 2D mesh elements within the polygon boundary. Only mesh elements with element centroid within the polygon boundary are included in the calculation.

To Create a 2D Results Point:

· Click the button from the InfoSWMM 2D Toolbar

· Click in the InfoSWMM Drawing Area where the new point is to be added.

· Enter an ID (and optional Description after comma)

· The new point is created and the attributes are displayed in the 2D Browser

To Create a 2D Results Polyline:

· Click the button from the InfoSWMM 2D Toolbar

· Click in the InfoSWMM Drawing Area where the new polyline is to be added. Click intermediate vertices. Double-click on the last vertex to complete the polyline.

· Enter an ID (and optional Description after comma)

· The new polyline is created and the attributes are displayed in the 2D Browser

To Create a 2D Results Polygon:

  • Click the button from the InfoSWMM 2D Toolbar
  • Click in the InfoSWMM Drawing Area where the new polygon is to be added. Click intermediate vertices. Double-click on the last vertex to complete the polygon.
  • Enter an ID (and optional Description after comma)
  • The new polygon is created and the attributes are displayed in the 2D Browser

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