SWMM 5, InfoSWMM, H20MAP SWMM, InfoSewer for Water Quality,Hydrology, Hydraulics
Subject: The Importance of Viewing Results at the Proper Time Scale
In SWMM 5 when you are simulating rapidly changing flow – such as pump flows – it is important to remember that you are only seeing the results of the simulation at your selected report time step. Here is an example model with the same number of pump starts for all three simulations (318), the same average time step during the simulation (10 seconds) but different…
Added by Robert Dickinson on February 5, 2012 at 11:39pm — No Comments
Subject: An Example of the Importance of the Term DQ4 in the SWMM 5 St Venant Solution
The four terms are are used in the new flow for a time step of Qnew:
Qnew = (Qold – dq2 + dq3 + dq4) / ( 1 + dq1)
when the force main or gravity main is full dq3 and dq4 are zero and Qnew = (Qold – dq2) / ( 1 + dq1)
The dq4 term…
Added by Robert Dickinson on February 5, 2012 at 10:14pm — No Comments
Subject: Use the SWMM 5 Scatter Graph to show the Pump Curve used during the Simulation
You can use a scatter graph to show the relationship between the pump during the simulation and the Storage Depth. If the pump is on the curve based on the pump summary table then the scatter graph should look like the pump curve. The pump summary…
Added by Robert Dickinson on February 5, 2012 at 8:45pm — No Comments
Thanks to Plants, We Will Never Find a Planet Like Earth
Earth's flora is responsible for the glaciers and rivers that have created this planet's distinctive landscape
Perhaps even more surprisingly, vascular plants formed the kinds of rivers we see around us today, according to …
Added by Robert Dickinson on February 5, 2012 at 5:38pm — No Comments
Subject: How to Import the SWMM 5 Report File as a Layer in InfoSWMM
The idea of this blog of note is to show how one may extract information from the SWMM 5 or InfoSWMM RPT file and import the Excel File as a feature in InfoSWMM. This blog has an example Excel file to illustrate the linkage. The steps…
Added by Robert Dickinson on February 4, 2012 at 8:59pm — No Comments
Subject: How to Approximate a Timer in the RTC Rules of SWMM 5
SWMM 5 does not have a explicit timer in its Real Time Control (RTC) rules but you can approximate it by using a Control Curve as in the attached example model. The Control Curve will modify the setting of the Weir by the Inflow to the Storage node. You can…
Added by Robert Dickinson on February 4, 2012 at 11:36am — No Comments
Innovyze, a leading global innovator of business analytics software and technologies for wet infrastructure, today announced the City of Hendersonville, North Carolina, has selected InfoSewer for ArcGIS (Esri, Redlands, CA) as its sewer modeling…
Added by Robert Dickinson on January 31, 2012 at 1:18pm — No Comments
Added by Robert Dickinson on January 29, 2012 at 2:45pm — 3 Comments
Subject: Three Flow Divider Link Example in SWMM 5
You can have more than 2 downstream OUTLET Type links in the SWMM 5 dynamic wave solution. Each link, Under5, Over5 and ReturnFlow is an OUTLET Link with a rating curve depth/flow table. Depending on the depth in the storage node DIVIDER, the flow is…
Added by Robert Dickinson on January 28, 2012 at 7:01pm — No Comments
Note: Example SWMM 5 Model for Activated Sludge
Here is one example of how to model an activated sludge tank. The image is Wikipedia (http://en.wikipedia.org/wiki/Activated_sludge) and is the watermark background in the SWMM 5 GUI. There is…
Added by Robert Dickinson on January 28, 2012 at 6:24pm — No Comments
Subject: Output Statstics Manager to find negative flows in InfoSWMM
Output Statstics Manager to find negative flows with these parameters:
1. Pipe Features
2. Use a Domain with your force…
ContinueAdded by Robert Dickinson on January 28, 2012 at 8:34am — No Comments
Note: Flow Dividers in SWMM 5 Dynamic Routing
You can have flow dividers in SWMM 5 dynamic routing by using Storage Nodes for the dividers, OUTLET links for the downstream links and minimizing downstream HGL effects. The needed components are:
1. A Storage Node for the divider node as a OUTLET Link does not have a Surface…
Added by Robert Dickinson on January 28, 2012 at 8:30am — No Comments
Major Bulgarian Utility Chooses InfoNet For Effective Network Management ViK Lovetch Utility Looks to Innovyze Solution to Manage Its Extensive, Complex Water Network |
|||||
| … |
Added by Robert Dickinson on January 24, 2012 at 7:18pm — No Comments
Note: The Keep and Dampen options and their effect on the four main terms of the St Venant equation.
The four terms are are used in the new flow for a time step of Qnew:
…
ContinueAdded by Robert Dickinson on January 24, 2012 at 8:15am — No Comments
Note: The Keep and Dampen options and their effect on the four main terms of the St Venant equation.
The four terms are are used in the new flow for a time step of Qnew:
…
ContinueAdded by Robert Dickinson on January 24, 2012 at 8:15am — No Comments
Added by Robert Dickinson on January 19, 2012 at 7:36pm — No Comments
Subject: Surcharged Node and the Link Connection in SWMM 5
A surcharged node in SWMM 5 uses this point iteration equation (Figure 1):
dY/dt = dQ / The sum of the Connecting Link values of dQ/dH
where Y is the depth in the node, dt is the time step, H is the head across the link (downstream – upstream), dQ is the net inflow into the node and dQ/dH is…
ContinueAdded by Robert Dickinson on January 16, 2012 at 11:56am — No Comments
Subject: How to Make Icons and Expand the Toolbars in InfoSWMM and InfoSewer
You can customize the toolbars in InfoSWMM and InfoSewer by clicking on Customize and performing 4 steps:
Step 1. Click on Customize
Step 2. Move the tool from the Command list to the…
ContinueAdded by Robert Dickinson on January 15, 2012 at 5:38pm — No Comments
Subject: How do I correct a fatal error resulting in automatic shutdown in ArcMap?
If you cannot open ArcMap, InfoSewer or InfoSWMM at all and get a fatal Esri error the problem may be the file normal.mxt
“If the startup file in ArcGIS Desktop or component applications (e.g., ArcMap, ArcGlobe, ArcScene) is corrupt, a fatal error can…
Added by Robert Dickinson on January 15, 2012 at 10:35am — No Comments
Subject: SWMM 5 Engine Updates between v13 and v22 by Category
The complete list of engine and GUI changes can be found in this text file on the EPA Site http://www.epa.gov/nrmrl/wswrd/wq/models/swmm/epaswmm5_updates.txt
This note categorizes the engine changes by aggregating dynamic wave solution changes, surface…
ContinueAdded by Robert Dickinson on January 13, 2012 at 8:22am — No Comments
© 2012 Created by Robert Dickinson.
Powered by
.