"At the Summit of Olympus Mons
Credit: G. Neukum (FU Berlin) et al., DLR, ESA
From martian orbit, the Mars Express cameras looked down on the largest volcano in the solar system. The result was this stunningly detailed overhead view of the…"
SWMM5 - Stormwater Management Model
SWMM 5, InfoSWMM, H20MAP SWMM, InfoSewer for Water Quality,Hydrology, Hydraulics
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Robert Dickinson replied to Robert Dickinson's discussion How is the St Venant Equation Solved for in the Dynamic Wave Solution of SWMM 5?"Subject: Link Iterations in the SWMM 5 Dynamic Wave Solution
Each of the links in the SWMM 5 network can use up to 8 iterations to reach convergence during a time step in the dynamic wave solution of SWMM 5. The rules…"
Robert Dickinson left a comment for wu ze jian"Hi, I added this discussion http://swmm2000.com/forum/topics/how-is-the-st-venant-equation-solved-for-in-the-dynamic-wave-solu"
Robert Dickinson posted a discussionHow is the St Venant Equation Solved for in the Dynamic Wave Solution of SWMM 5?
Subject: How is the St Venant Equation Solved for in the Dynamic Wave Solution of SWMM 5? An explanation of the four St. Venant Terms in SWMM 5 and how they change for Gravity Mains and Force Mains. The HGL is the water surface elevation in the upstream and downstream nodes of the link. The HGL for a full link goes from the pipe crown elevation up to the rim elevation of the node + the surcharge depth of the node. The four terms are: dq2 = Time Step * Awtd * (Head Downstream – Head Upstream)…See More
Robert Dickinson added a page to the group Hydraulics
Force Main Friction Loss in InfoSWMM and the Transition from Partial to Full Flow
Subject: Force Main Friction Loss in InfoSWMM and the Transition from Partial to Full Flow
You can model Force Main friction loss in InfoSWMM using either Darcy Weisbach or Hazen Williams as the full pipe friction loss method (see Figure 1 for the…
Robert Dickinson's blog post was featuredSWMM 5 Precipitation Options
Subject: SWMM 5 Precipitation Options You can have design storms, monitored storms of any length of the time from minutes to centuries, use intensity, volume or cumulative precipitation, use both rainfall and snowfall in the same rain gage depending on temperature, use both time series or external files for the rain gage and have unlimited rain gages with the limitation of one rain gage per subcatchment. …See More
Robert Dickinson posted a blog postSWMM 5 Precipitation Options
Subject: SWMM 5 Precipitation Options You can have design storms, monitored storms of any length of the time from minutes to centuries, use intensity, volume or cumulative precipitation, use both rainfall and snowfall in the same rain gage depending on temperature, use both time series or external files for the rain gage and have unlimited rain gages with the limitation of one rain gage per subcatchment. …See More
Robert Dickinson commented on Robert Dickinson's group Stream of Information"Pacheena Indian Reserve, British Columbia, Canada
May. 25, 2012
"
Robert Dickinson commented on Robert Dickinson's group Stream of Information"All the Water on Europa Illustration Credit & Copyright: Kevin Hand (JPL/Caltech), Jack Cook (Woods Hole Oceanographic Institution), Howard Perlman (USGS)
Explanation: How much of Jupiter's moon…"
Robert Dickinson commented on Robert Dickinson's group Water Quality"URBAN STORMWATER QUANTITY/QUALITY MODELING USING THE SCS METHOD AND EMPIRICAL EQUATIONS†
http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.1997.tb04093.x/abstract
May 24, 2012
Wiley Online Library will be disrupted on 26 May from…"
Robert Dickinson commented on Robert Dickinson's group Water Quality"Hi MeHa, Here is one good source of data, I also have the SWMM 5 models for the USGS areas.
http://www.1000friendsofflorida.org/pubs/stmarksgreen/apend4.asp
http://sofia.usgs.gov/publications/ofr/78-324/ofr-78-324.pdf
"
MeHa commented on Robert Dickinson's group Water Quality"I want to model WQ of sewers. Can any body provide me a network with real measured calibration files? "
MeHa posted a status"Hello, When designing a sewer system, we consider the Node Flooding and Conduit surcharge in the status report. Is there any guideline which"
Quah Soon Tong left a comment for Esther Bergareche Auricenea"Hi Esther, I am not sure you are the same Esther that was at the United World College in South Wales with me. I am Quah Soon Tong from Singapore. I noticed you are also an engineer. I did Civil Engineering at Cambridge University, but practised as…"
Robert Dickinson commented on Robert Dickinson's group Stream of Information"River Canyon
May. 23, 2012
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Robert Dickinson commented on Robert Dickinson's group Stream of Information"Litla Dimun, Faroe Islands
May. 23, 2012
"
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Lionel's Discussions
Report and output files content
Started this discussion. Last reply by Robert Dickinson Mar 1. 5 Replies 0 Likes
Hi, I am trying to extract the time series for the simulated subcatchment runoff in a notepad readable file. As known, the .rpt file does not show the time series results and .out file is in a binary…Continue
Linking Matlab with SWMM5
Started this discussion. Last reply by Lionel Feb 2. 2 Replies 0 Likes
Hi, I am currently trying to use Matlab to create a set of random values and inputting these random values into SWMM 5 to vary the different parameters (e.g. decay constant) so I will get a range of…Continue
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Robert Dickinson replied to Lionel's discussion Report and output files content
"usually the [REPORT] section is at the end of an input file
[REPORT]INPUT NOCONTROLS NOSUBCATCHMENTS ALLNODES ALLLINKS ALL
[TAGS]
[MAP]"
Lionel replied to Lionel's discussion Report and output files content
"For the report function which you said below, do I put the statement in the .inp file? I have a [REPORT] section in my .inp file which is similar to the one you stated. Sorry for my ignorance as I am quite new to the software.
[REPORT]
CONTROLS…"
Robert Dickinson replied to Lionel's discussion Report and output files content
"You probably have to set up a compatibility mode for the SWMM DOS engine in Windows 7."
Lionel replied to Lionel's discussion Report and output files content
"Thanks for your advice.
Does the SWMM 5 Dos Engine works on Windows 7? I seem to have a problem opening the DOS engine. The DOS window opens and then closes almost instantly.
"
Robert Dickinson replied to Lionel's discussion Report and output files content
"You can do both if you use the SWMM DOS program - you can get a time series of subcatchment, link and node data."
Lionel posted a discussion
Report and output files content
Hi, I am trying to extract the time series for the simulated subcatchment runoff in a notepad readable file. As known, the .rpt file does not show the time series results and .out file is in a binary format. Is there a way to include the subcatchment runoff time series in the .rpt file or make the .out file readable? ThanksSee More
Lionel replied to Lionel's discussion Linking Matlab with SWMM5
"Thanks Robert for your prompt help!"
Lionel replied to Fateme Fallah's discussion Uncertainty Analysis
"Hi Fateme Fallah,
I am doing something similar but in my case I am varying the infiltration factor. I am not very good with Matlab so require a bit of help on the coding. I would like to check if you have been successful in your attempt to…"
Robert Dickinson replied to Lionel's discussion Linking Matlab with SWMM5
"Hi, This thread has some info
http://www.swmm2000.com/forum/topics/uncertainty-analysis
as does this
http://www.swmm2000.com/forum/topics/link-swmm-with-matlab
http://www.swmm2000.com/forum/topics/combining-swmm-and-matlab
"
Lionel posted a discussion
Linking Matlab with SWMM5
Hi, I am currently trying to use Matlab to create a set of random values and inputting these random values into SWMM 5 to vary the different parameters (e.g. decay constant) so I will get a range of results. Has anyone done it before? Thanks!See More
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