cee5734_week9_2011

cee5734_week9_2011 - CEE 5734 Urban Hydrology and...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Glenn E. Moglen Department of Civil & Environmental Engineering Virginia Tech Continuing with the EPA SWMM Model CEE 5734 – Urban Hydrology and Stormwater Management Week 9
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Review Exam Questions Continue with using EPA SWMM in single- event mode Calibration with “width” parameter Entering Detention Basin characteristics Numerical Instabilities Recognition Cures Today’s Agenda
Background image of page 2
Today’s Topic: EPA SWMM Model – What does it do? SWMM is a rainfall-runoff model of both water quantity and quality. SWMM can be applied to a specific, single event or for continuous streamflow modeling. SWMM is specifically designed to model flows and water quality in an urban environment.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
EPA SWMM Model – How do you set up a simulation? The “Object Toolbar” allows you to add system elements to the study area map.
Background image of page 4
Sample watershed from Week 3 1 2 A : 1.58 mi 2 CN : 78.1 T c : 0.81 hr A : 1.96 mi 2 CN : 74.0 T c : 1.95 hr A : 1.00 mi 2 CN : 72.6 T c : 1.63 hr 1 2 3 3 Sl : 0.0071 ft/ft n : 0.05 L : 1000 ft B :10 ft
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Developing a SWMM Input File: Project: Defaults…: Subcatchments Tab: Set “Infiltration Model” to “Curve Number” Use “Study Area Map” window to draw: Subcatchments Nodes Junctions (of multiple links – natural confluence) Storage Units (SWMM term for detention basins – later weeks) Outfall (terminal node of system)
Background image of page 6
Developing a SWMM Input File: Use “Study Area Map” window to draw: Links Conduits (channels, pipes) Weirs Orifices Raingage(s) Label Subcatchments, Nodes, Links with meaningful names (e.g. suggest “S#”, “J#”, “Reach#”)
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/24/2011 for the course CEE 5734 taught by Professor Moglen during the Spring '11 term at Virginia Tech.

Page1 / 27

cee5734_week9_2011 - CEE 5734 Urban Hydrology and...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online