"Brixham, England
May. 29, 2012
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SWMM5 - Stormwater Management Model
SWMM 5, InfoSWMM, H20MAP SWMM, InfoSewer for Water Quality,Hydrology, Hydraulics
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Robert Dickinson commented on Robert Dickinson's group Stream of Information"by jasonkillinger. Browse more data visualizations.
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Robert Dickinson added a page to the group SWMM4 Input Files
Historical SWMM 5 and SWMM 4 Engines and Examples
Subject: Historical SWMM 5 and SWMM 4 Engines and Examples
The web site has http://swmm5legacycode.ning.com/ historical SWMM 5 installs, SWMM 5 input file examples and SWMM 4 input files and engines. The SWMM 4 engines go back to SWMM 3.5…
Robert Dickinson commented on Robert Dickinson's group SWMM4 Input Files"Subject: Historical SWMM 5 and SWMM 4 Engines and Examples
The web site has http://swmm5legacycode.ning.com/ historical SWMM 5 installs, SWMM 5 input file examples and SWMM 4 input files and engines. The SWMM…"
Robert Dickinson added a page to the group Blog Links
SWMM5.NET
15 GPM
1985
1D Components in InfoSWMM 2D
3 Types of Manholes in SWMM 5 and InfoSWMM
3 Types of Subcatchment Flow in SWMM 5
A Basic InfoSewer Wet Well
A feedback loop involves four distinct stages
A rise in Pipe Inverts Across a SWMM 5 Node
A…
Robert Dickinson commented on Robert Dickinson's group Stream of Information"Udaipur, India
May. 28, 2012
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Robert Dickinson commented on Robert Dickinson's group Weather"Man-made Pollution Shifting Tropics and Sub-Tropics Poleward
"If a poleward displacement of the mid-latitude storm tracks also occurs, this will shift mid-latitude precipitation poleward, impacting regional agriculture, economy, and…"
Robert Dickinson commented on Robert Dickinson's group Weather"Poor neighborhoods have fewer trees, as these jarring satellite photos reveal.: http://www.treehugger.com/economics/how-spot-income-inequality-space-look-trees.html"
Robert Dickinson commented on Robert Dickinson's group Weather"
Climate Change is Frying Our Cities
Rising temperatures are set triple the heat-related deaths in cities across the U.S., a new report finds. Cities need to fight back."
Robert Dickinson posted a videoRSA Animate - The Power of Networks
In this new RSA Animate, Manuel Lima, senior UX design lead at Microsoft Bing, explores the power of network visualisation to help navigate our complex moder...
Robert Dickinson commented on Robert Dickinson's group ExtraVariables"Update of May, 20012
Epaswmm5.exe
swmm5.dll"
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
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Vasenjka's Discussions
Rain off modeling
Started this discussion. Last reply by Vasenjka May 22. 3 Replies 1 Like
I am trying to model rain off structure like parallel spillway before WWTP (actually, it goes to sewer network but it's the same). I am using weir (is it correct - Sideflow option??? ), and would…Continue
Forced main
Started this discussion. Last reply by Vasenjka Apr 30. 4 Replies 0 Likes
Hello!I am trying to model system:Storage unit (el 100.00), pump, and then forced main and then some outlet (el 104.00) where pipeline connects on gravity sewer system. Slope is always adverse so I…Continue
Divider
Started this discussion. Last reply by Vasenjka Jan 28. 5 Replies 0 Likes
Hi!Can you tell me how to deal with the fact that it's impossible to model divider under dynamic wave; only with kinematic, but that brings problem of more then one outlet or adverse slope?Problem is…Continue
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Vasenjka replied to Vasenjka's discussion Rain off modeling
"Also, now I am considering option where spillway would be vertical on main flow (It's much easier to calculate in excel or something else), positioned above outlet pipe where rain water would again go over weir to recipient channel, and septic…"
Vasenjka replied to Vasenjka's discussion Rain off modeling
"Thank You very much. If you have a different idea, please share it here; I would be glad to hear another opinion."
Robert Dickinson replied to Vasenjka's discussion Rain off modeling
"Your graphics are very good and SWMM 5 can handle the after weir area - I need to look at your node/link diagram to make suggestions about how to model your system.
"
Vasenjka posted a discussion
Rain off modeling
I am trying to model rain off structure like parallel spillway before WWTP (actually, it goes to sewer network but it's the same). I am using weir (is it correct - Sideflow option??? ), and would like to add dimension of straight weir and of whole structure, such as length of weir, it's height, area of structure before weir to determine volume of water before WWTP entrance. Also, would like to model space (like retention space) after weir where water (part that goes over weir) stands before…See More
Vasenjka left a comment for Vasenjka
"Thank you very much Robert!
This is great place, I could rarely find such a valuable help in such a short time! All kudos for all members here."
Vasenjka replied to Vasenjka's discussion Forced main
"So in this way I can actually add pressure in node so it acts like joint in pipeline where elevation breaks, although there is no real node (manhole) in system? That's excellent idea, must admit.
But, would results change if that depth is…"
Vasenjka replied to Vasenjka's discussion Forced main
"Thank You very much, this is great! Thanks again :)"
Robert Dickinson replied to Vasenjka's discussion Forced main
"Here is a version of your model with the surcharge depth, the flows are correct now in the force mains
"
Robert Dickinson replied to Vasenjka's discussion Forced main
"Hi, did you raise the Surcharge Level of the node? If you add a Surcharge Depth then the node can be under pressure when the pump turns on."
Vasenjka posted a discussion
Forced main
Hello!I am trying to model system:Storage unit (el 100.00), pump, and then forced main and then some outlet (el 104.00) where pipeline connects on gravity sewer system. Slope is always adverse so I am using Dynamic wave.I started with storage unit, then with pump and then with nodes-forced main-nodes etc until node-force main-outlet. But, it doesn't work, node after pump has inflow, but force main after that node and everything after it doesn't have any inflow.Do you know where I am missing…See More
Vasenjka replied to Vasenjka's discussion Divider
"Thank you very very much, this is exactly what I needed :)
I am still new in SWMM, so some issues still concerns me about appropriate modelling; thank you for being such helpful."
Vasenjka replied to Vasenjka's discussion Divider
"Can you please attach *.inp file so I can check it further more?
Do you have any idea how to model it under dynamic wave because in some situations I need both options (dynamic and divider) available in same model?
Thank you very much, this helps…"
Robert Dickinson replied to Vasenjka's discussion Divider
"Here is an example model with outlet that divides the flow into under 5 lps and over 5 lps outlet links - i hope this helps.
"
Robert Dickinson replied to Vasenjka's discussion Divider
"Hi Vasenka,
It would be nicer to have the dividers work in dynamic wave but in the meantime you can use an Outlet link to simulate your needs.
node divider ---- flow over 5 lps ---> Oufall
…"
Vasenjka posted a discussion
Divider
Hi!Can you tell me how to deal with the fact that it's impossible to model divider under dynamic wave; only with kinematic, but that brings problem of more then one outlet or adverse slope?Problem is quite simple - flow above 5 lps (per example) shoud go directly to outfall(rain) and the rest shoud go in some tank and then through pump on another outfall (wastewater treatment) - simple model of wastewater and rain solution.Thanks in advance!See More
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Comment Wall (2 comments)
- At 9:29am on April 30, 2012,
Vasenjka said… Thank you very much Robert!
This is great place, I could rarely find such a valuable help in such a short time! All kudos for all members here.
- At 6:50am on January 28, 2012,
Robert Dickinson said… Welcome Vasenjka!
© 2012 Created by Robert Dickinson.
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