Hi Bentley Team,
Is there any chance you can examine the model I am going to attach. The issue is, I have tried various protection devices but I am still getting negative pressures when I am running the animation.
The addition of protection devices…
Hello.
I am trying to model a transient to analyse a gravity system. The first analysis I wanna do is when I close a butterfly valve which is initially 100% open with a flow of 989,00 L/s.
I modeled the butterfly valve as a FCV of valve type user…
Original Post: Accessing the efficiency and accuracy of WaterGEMS in Darwin calibrator for leakage detection
Hello Sushma Choure,
I need Bentley Hammer to carry out Transient Analysis, how can I download it?
Thanks.
Best regards,
Millicent…
Hi
I'm looking for any guidance / experience in calculating wavespeed and considering transient performance in a section of asbestos cement pipe pipe which will be re-lined using a flexible liner system. The liner product is semi-structural and inserted…
Hello,
Does HAMMER provide options to display symbols of model elements (pumps, tanks) along the transient profiles? Also, how can I customize labels to only show a select few?
Regards,
Youssef
Hello,
How does Hammer treat an active PDD alternative in a transient simulation? Is PDD only for WaterGEMS EPS or is it also applicable to Hammer for transient analyses?
Regards,
Youssef
Hello,
I have a working 36hr EPS hydraulic scenario and would like to setup a transient scenario for a pump trip. My attempt in doing so has not been successful and I was seeing my zone draining and my pump station (that feeds the zone) dead heading…
Product(s):
HAMMER
Version(s):
V8i, CONNECT Edition
Area:
Modeling
Original Authors:
Tom Walski and Jesse Dringoli, Bentley Systems
This article is intended as a starting point for those who are seeking to perform a…
Product(s):
HAMMER
Version(s):
10.XX.XX.XX, 08.11.02.31 and greater
Area:
Calculation
Problem
How can you change the Accuracy and Maximum Trials for the transient calculation engine?
Transient results appear to be unstable…
Product(s):
HAMMER
Version(s):
08.11.XX.XX, 10.XX.XX.XX
Area:
Modeling
Problem
When computing a transient simulation with a one way surge tank (has check valve = true), the hydraulic grade is sometimes higher than…
Product(s):
HAMMER
Version(s):
08.11.XX.XX, 10.XX.XX.XX
Area:
Modeling
Problem
How can you view the minimum and maximum transient pressure or hydraulic grade results in a HAMMER model?
Solution
The maximum and minimum…
Product(s):
HAMMER
Version(s):
CONNECT Edition, V8i
Area:
Modeling
Problem
The results of a transient run are not matching the steady state results of a valve set to a given setting.
Background
As a test to assure that…
Applies To
Product(s):
SewerGEMS, SewerCAD, CivilStorm
Version(s):
CONNECT Edition, V8i
Area:
Modeling
Original Author:
Jesse Dringoli, Bentley Technical Support Group
Problem
Can the storm-sewer products…
Have you ever wanted to perform a transient analysis on a water network that you've designed? Did you know that you can configure the transient analysis while you design the steady state/EPS water model in WaterCAD or WaterGEMS, then directly open the…
Part of the Hydraulics and Hydrology Video Series ( more info )
Are you a Civil or Hydraulic Engineer using Bentley HAMMER? Did you know that animating transient profiles can greatly help you understand what is going on during your transient simulation…
Product(s):
HAMMER
Version(s):
V8i, CONNECT Edition
Area:
Layout and Data Input
Problem
What is the meaning of the following message?
"The [Reverse Spin Allowed? = False] only works for [Shut Down After Time Delay] pump…
Computer Applications in Hydraulic Engineering, 8th Edition
Dr. Tom Walski (Author), Tom Barnard (Author), Rocky Durrans (Author), Mike Meadows (Author), Steve Lowry (Author), Brian Whitman (Author) ISBN: 9781934493168
Bentley Institute Press’s…
Hello Ahmed,
I would suggest trying both situations (one valve or two), then compare the results by closely examining graphs and profiles in the Transient Results Viewer (animating a profile path is a great start). This should show you if this arrangement…
Hello subscribers,
We will be offering a Live training course on Transient Analysis and Design with Bentley HAMMER on November 26-29, 2012. This 16 hour course is being taught in 4 hour increments over the 4 days, from 11:00 a.m. to 3:00 p.m. EDT each…
This example model illustrates different ways to model valve closure with a TCV. Advanced TCV closure modeling is not included.
Note: This model can be opened in HAMMER version 08.11.00.30 and above.
Applies To
Product(s):
Bentley HAMMER
Version(s):
V8i, CONNECT Edition
Area:
Modeling
Original Author:
Jesse Dringoli, Bentley Technical Support Group
Overview
This technote explains how the…
Applies To
Product(s):
HAMMER, WaterGEMS, WaterCAD
Version(s):
V8i, CONNECT Edition
Area:
Modeling
Original Author:
Jesse Dringoli, Bentley Technical Support Group
Overview
This technote explains…
Product(s):
HAMMER
Version(s):
CONNECT Edition, V8i
Area:
Modeling
Original Author:
Jesse Dringoli, Bentley Technical Support Group
Overview
This TechNote explains how the surge valve element works and its typical application…
This is a list of articles containing general FAQs for Bentley WaterGEMS and WaterCAD products.
To search within this page, press [Ctrl]+F.
Calculations
Estimating pump specific speed
Transient Force Calculations
Input & Modeling
What…