Introduction to Stormwater Modeling with StormCAD, CivilStorm and SewerGEMS
This is a short course geared towards beginner users of the software and is intended to be entirely hands-on. In the hands-on portion, you will use your own computer to follow along with the instructor...
View ArticleForum Post: RE: Issue with Modelling Discharge to Atmosphere between Hammer...
So you know, this has been logged with the development team to be reviewed for a future release of HAMMER. The reference for this is 1423356. Regards, Scott
View ArticleForum Post: RE: Run-off Calculations altered while running the model in the...
I'd like to add to my last answer, it would be interesting to have a basis for comparing your model, such as a screenshot of the information you're comparing. Sharing your model would also help us to...
View ArticleWiki Page: Check Valve Dynamic Curve or Reverse Velocity vs. Deceleration...
Product(s): HAMMER Version(s): CONNECT Edition, V8i Area: Modeling Problem How can you input Reverse Velocity vs. Deceleration curves from the check valve manufacturer into the Check Valve element in...
View ArticleForum Post: RE: Hammer - Check Valve Characteristics \ Pump Ramp Up
After discussing this with the developers, here is information on this. HAMMER engine calculates average deceleration from time velocity starts dropping, such as after the pump shuts down to when flow...
View ArticleForum Post: RE: Error while running SewerGEMS model
Hi Amol, Unless there are any other error screens, the above screenshot is showing the model ran but with a warning that it had to override the timestep to be the same as a rainfall pattern. So, this...
View ArticleForum Post: RE: regd tank size
SIR my question was how to optimize air vessel size. budget is secondary constraint. why because if system needs protection budget is secondary. but in hammer the attributes which are affecting the...
View ArticleForum Post: WaterGems 2023 - Residual VSP Calc Engine 2.2.0 Issues
This has been some years since revisited this, but because we are doing more WQ modelling then it was time to look at the current state of WaterGems Engine Stability. Some backstory is that the...
View ArticleForum Post: HAMMER - Profiles without Air Valves
Hi, Is it correct to model a scenario without using air valves as surge protection? (not only to see, but the solution is not using any protection, since my sistem seems don't need it because of the...
View ArticleForum Post: WaterGems 2023 - EPANet 2.2 WQ engine enhancements not yet...
OK, leading on from last past as to why we started relooking at WaterGems Engine 2.2.0. That was because EPANet 2.2 got released midway through a major water quality modelling project. We were excited...
View ArticleForum Post: RE: Run-off Calculations altered while running the model in the...
Hi Lucas, The Model Files run in the latest version are uploaded. Also please note that the Run-off model used is SCS Unit Hydrograph using SWMM solver.
View ArticleForum Post: WaterGems 2023 - Skelebrator Traps and Training
Apologies, my day for documenting current downstream impacts of residual Calc Engine Issues that all revolve around our Water Quality modelling business uplift. Following on other post referencing in...
View ArticleForum Post: RE: HAMMER - Profiles without Air Valves
Hello Victor, This can occur depending on how low the negative pressures are without the protection in place. Without the air valve, you have negative pressure, but the pressure does not reach vapor...
View ArticleForum Post: WaterGEMS 2023 crashes after computing flushing event
I had checked if "tracking changes" was on and it was not and was able to compute events prior to updating the software. I have uploaded the model and the log. The flushing event that I attempted to...
View ArticleForum Post: RE: Run-off Calculations altered while running the model in the...
Mohthesham, I see your model uploaded, but I am not certain of the steps needed to reproduce. Which specific versions of SewerGEMS are you comparing? The scenario named "5yr_1440" is active when I open...
View ArticleForum Post: RE: WaterGEMS 2023 crashes after computing flushing event
Hi Jocelyn, Bentley Communities is in the process of migrating to a new platform which may cause a delay in response to this thread. It is also possible we may need to escalate this to development. So,...
View ArticleWiki Page: Error computing Flushing analysis: "Object reference not set to an...
Product(s): WaterGEMS, WaterCAD Version(s): 10.00.xx.xx, 08.11.xx.xx Area: Modeling Problem When computing a flushing run, the following error message: "Object reference not set to an instance of an...
View ArticleForum Post: RE: WaterGems 2023 - Residual VSP Calc Engine 2.2.0 Issues
Ben - Bentley Communities is currently migrating to a new platform and it may take some time for recent posts like this one to migrate over. This migration may also prevent you from returning to this...
View ArticleForum Post: RE: WaterGems 2023 - EPANet 2.2 WQ engine enhancements not yet...
Ben - we are discussing this internally and will get back to you shortly. Note that the ongoing Communities migration to the ServiceNow platform means that you may not be able to continue this thread...
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