SWMM5 - Stormwater Management Model

SWMM 5, Watersheds, Water Quality,Hydrology, Hydraulics - Watersheds


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Last On: 9:34PM, 1 Aug 09
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At 3:17pm on October 12, 2008, Robert E Dickinson said…

Hello!

At 8:51pm on March 26, 2008, John Morgan said…
Thank you for the welcome. I hope this is as informative as the SWMM-Users e-mail list is.
At 11:04am on March 24, 2008, WaterDragon said…
Thanks!

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WaterQuality

Obama Picture Book

The next President of the United States
In a vote of historic proportions yesterday, Senator Barack Obama became President-Elect of the United States of America with a 52% majority in the popular vote, and more than 349 electoral votes. Over two years of campaigning was resolved with a record voter turnout, as the Republican candidate John McCain conceded graciously at 11:20 pm eastern last night. With such a high level of interest and attention, there have been millions of words written and pho… Continue

Posted on November 26, 2008 at 1:45pm —

WaterQuality

Why email is addictive (and what to do about it)

Why email is addictive (and what to do about it):

This is a copy of a Mind Hacks article:

http://www.mindhacks.com/blog/2006/09/why_email_is_addicti.html

Email is addictive

Like lots of people who sit in front of a computer all day, I am addicted to email. This worries me for two reasons. The first is the sheer strength of my compulsion. I must hit the 'get mail' button at least a hundred times a day.… Continue

Posted on November 24, 2008 at 9:57pm —

WaterQuality

Force Main Transition in SWMM 5

Force Main Transition between Partial and Full Flow

1. If the force main is full then the program will use either Hazen-Willams or Darcy-Weisbach to calculate the friction loss (term dq1),

2. If the force main is NOT full then the program will use Manning's Equation.


// --- compute terms of momentum eqn.:
// --- 1. friction slope term
if ( xsect->type == FORCE_MAIN && isFull )
dq1 = dt * forcemain_getFricSlope(j, fabs(v), rMid);
else dq1 = dt * Conduit[k].roughFactor / pow(… Continue

Posted on November 24, 2008 at 7:30pm —

WaterQuality

World Rainfall



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Posted on November 22, 2008 at 12:51pm —

 
 

Latest Activity

Robert E Dickinson added a blog post
A new test of the Light:Nutrient hypothesis To review: I love ecological stoichiometry (ES). I find it a fascinating subject and a useful framework for understanding ecological phenomena. However, ES is still relatively new, with a lot of the empi…
12 hours ago
Hi, Thanks a lot and I will be working on it. Thanks again for your effort. Upaka
16 hours ago
Here is a sample SWMM 5 model for you to look at - it has one TSS pollutant and one loading point - the node 8040
16 hours ago
Yes, you can add a Dry weather flow concentration to a node in SWMM 5. 1st you make a pollutant, then go to a node and add DWF and a pollutant concentration. The load - flow * concentration will go into the network.
16 hours ago
Upaka added a discussion
Hi,Is it possible to add a pollutant concentration (eg. TSS = 20 mg/L) to a node at a network in SWMM? Thanks a lot
16 hours ago
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Upaka is now a member of SWMM5 - Stormwater Management Model
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Robert E Dickinson added a blog post
Saving U.S. Water and Sewer Systems Would Be Costly By CHARLES DUHIGG WASHINGTON — One recent morning, George S. Hawkins, a long-haired environmentalist who now leads one of the largest and most prominent water and sewer systems, trudged to a street…
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Robert E Dickinson added a blog post
If you a lead and lag pump connecting the same upstream and downstream
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QA/QC SWMM 5 Version for SWMM 5.0.013 and SMWM 5.0.018
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