"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
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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
"
Robert Dickinson commented on Robert Dickinson's group Stream of Information"Litla Dimun, Faroe Islands
May. 23, 2012
"
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Robert Dickinson's Discussions
How is the St Venant Equation Solved for in the Dynamic Wave Solution of SWMM 5?
Started this discussion. Last reply by Robert Dickinson 20 hours ago. 1 Reply 0 Likes
NASA - Perpetual Ocean
Started this discussion. Last reply by Robert Dickinson Mar 28. 2 Replies 0 Likes
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Latest Activity
Robert Dickinson commented on Robert Dickinson's group Stream of Information
"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…"
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 discussion
How 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 featured
SWMM 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 post
SWMM 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? "
Robert Dickinson commented on Robert Dickinson's group Stream of Information
"River Canyon
May. 23, 2012
"
Robert Dickinson commented on Robert Dickinson's group Stream of Information
"Litla Dimun, Faroe Islands
May. 23, 2012
"
Robert Dickinson commented on Robert Dickinson's group Stream of Information
"Morning Mist, Michoacan, Mexico
May. 23, 2012
"
Robert Dickinson commented on Robert Dickinson's group Stream of Information
"Misty Pond, Stowe, Vermont
May. 22, 2012
"
Robert Dickinson posted a blog post
Registration and Call for Papers Announced for Innovyze European User Conference 2012
Registration and Call for Papers Announced for Innovyze European User Conference 2012 Key Industry Event for European Modeling Professionals Confirmed for September 19-20, 2012.More information and registration at www.watermodeling.com Broomfield, Colorado USA, May 22, 2012 — Innovyze, a leading global innovator of wet infrastructure modeling and simulation software and technologies, today announced the opening of registration and call…See More
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Robert Dickinson's Photos
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Robert Dickinson's Blog
SWMM 5 Precipitation Options
Posted on May 26, 2012 at 12:08pm 0 Comments 0 Likes
Force Main Friction Loss in InfoSWMM and the Transition from Partial to Full Flow
Posted on May 24, 2012 at 9:27am 0 Comments 0 Likes
SWMM 5 Leaping Weir Example
Posted on May 24, 2012 at 9:22am 0 Comments 0 Likes
Registration and Call for Papers Announced for Innovyze European User Conference 2012
Posted on May 22, 2012 at 12:04pm 0 Comments 0 Likes
Saving an Output Relate in InfoSWMM directly to Excel using Arc Tool Box
Posted on May 14, 2012 at 4:25pm 0 Comments 0 Likes
Example DUPUIT-FORCHHEIMER APPROXIMATION FOR SUBSURFACE FLOW Model in SWMM 5
Posted on May 13, 2012 at 1:04pm 0 Comments 0 Likes
Example Groundwater Model in SWMM 5
Posted on May 12, 2012 at 9:49pm 0 Comments 0 Likes
Example SWMM 5 Snowmelt Model
Posted on May 12, 2012 at 6:18pm 0 Comments 0 Likes
City of Delray Beach Selects InfoWater as its Smart Water Network Modeling Solution
Posted on May 8, 2012 at 6:24pm 0 Comments 0 Likes
My History with Various Versions of SWMM: SWMM3, SWMM4, SWMM5, XP-SWMM and InfoSWMM
Posted on May 6, 2012 at 1:56pm 0 Comments 0 Likes
Runoff Routing Options Example in SWMM 5
Posted on May 6, 2012 at 1:30am 0 Comments 1 Like
Example FM SWMM 5 model with and without Surcharge Depth
Posted on May 5, 2012 at 6:02pm 0 Comments 0 Likes
How to Edit the Subcatchment Polygons in InfoSWMM with Arc Map
Posted on April 25, 2012 at 6:35pm 0 Comments 0 Likes
Average Residence time in InfoSWMM and H2OMAP SWMM
Posted on April 25, 2012 at 6:32pm 0 Comments 0 Likes
Innovyze President Receives ACOPNE’s Highest Honor
Posted on April 24, 2012 at 1:45pm 0 Comments 0 Likes
BBC - 'Huge' water resource exists under Africa
Posted on April 23, 2012 at 9:26pm 0 Comments 0 Likes
Sam Shamsi and swmm-online-com
Posted on April 21, 2012 at 1:32pm 0 Comments 0 Likes
InfoSWMM 2D Version 5.0 Delivers New Level of Surface Mesh Automation and Faster, Higher-Fidelity Simulation Results
Posted on April 17, 2012 at 4:36pm 0 Comments 0 Likes
Comment Wall (89 comments)
- At 10:48pm on May 21, 2012,
wu ze jian said… hello,Robert ! The question I have in mind is:how to discrete the Saint-Venant equations in swmm5 use the difference scheme and also in the forced main , how to discrete the Saint-Venant equations . Thanking you in advance for your help.
- At 10:35pm on May 20, 2012, wu ze jian said…
hello,Robert ! i am a new learner of SWMM . I'd like to know more about the Picard Solution Algorithm in SWMM5 ,suca as the Algorithm
theory.
Thanking you in advance for your help.
hope you my contact 375994317@qq.com
- At 5:22pm on March 19, 2012,
Asaph Mercy Kabaasha said… Thanks a lot Robert for your quick response. Probably my question was not clear. In fact reading the report I had referenced earlier, you find this term:
which is exactly what you answered. So I was wondering why that term (Bed Slope) was not shown in the momentum equation. I thought may be there were reasons behind that I did not understand.
- At 7:46am on December 1, 2011, Nigussie isma said…
Dear Robert,
Thank you very much for wellcoming me to your net work
I am the beggener for programming and modeling but I have some theoreticla and practical skill of hydrology.
please could you send me structure of SWMM 5. I want learn and contribute my share for this modeing tools?
Thanking you in advance for your help.
hope you my contact nyisma@gmail.com
Nigussie
- At 10:25am on October 7, 2011, hovanhoa said…
Hi, Robert.~~
Nice to meet you!
I really appreciate for your posts. I will try to contribute my capicity to this web site
Cheer!
- At 9:58pm on July 4, 2011, Santosh Aryal said…
Thank you Robert. The question I have in mind is:
How to simulate stormwater harvesting where flow from impervious areas is taken out of the system?
This is a question in advance which I will have to deal with in a few weeks time as I learn to use SWMM. Although I am a new user of SWMM5, but have a quite good knowledge of many other hydrological models. I will keep the answer in mind when going through the SWMM tutorial.
Many thanks and regards
Santosh
- At 9:17am on June 7, 2011, Al Ainza said…
- Thank you Robert. I have a question regarding your post on Pump / Force Main System in InfoSWMM and the Wet Well Design. Is the Invert Elevation the same as the top of the wet well and not the invert elevation of the flow coming into the wetwell? And is the max depth the distance from the Invert elevation to the bottom of the wetwell? Any clarification would be appreciated.
- At 2:09am on June 3, 2011, yasert said…
- Thank you so much
- At 2:42am on April 2, 2011, Joachim said…
thankyou,
i wish to request some assistance in using the model for rainfall runoff modelling of river discharge at masters level.
- At 12:06pm on January 30, 2011,
Robert Dickinson said… 
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