Innovyze’s Water Network and Operational Systems User Group 2014, Adelaide, Australia

On Tuesday 5th August Innovyze’s Water Network and Operational Systems Modelling User Group was held at SA Water’s offices in Adelaide.

Delegates from around Australia and New Zealand attended to see first hand to view the Operation Decision Support System that SA Water have successfully implemented.  South East Water presented on how they have automated their External Fire Flow Requests, and MWH gave some examples of complex scripts they have developed for a couple of different clients.

Innovyze thanks all those who presented and attended. Special thanks to SA Water for providing the facilities for the day, and showing the control room and systems to the delegates.

For more information please click on the images below.

Welcome

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    InfoNet Mobile – Modifying the Extent for Viewing a Report on the Map

    When you search and find or select to view a report on the map a default extent is used to show the reports location. It is possible to modify the extent at which the map is displayed when viewing a report. This option is a map specific setting so please consider this when setting up multiple applications or maps.

    Below is an example of the where the setting can be useful and how it can be modified.

    When you want to see a report on the map you can right click on the report from the list in your saved or completed view and select the option to view report on map.

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      The Inadvertent Impact of Rainfall Smoothing in InfoWorks

      Within InfoWorks CS there can be situations whereby a small cut out of an existing network run individually may produce difference results for that area as within a larger network.

      Typically the things to check when looking into differences in results between two networks would include looking at the simulation parameters that have been set, the hydraulic run schedules as well as a comparison between two networks. Usually after these steps have been taken differences may be identified that answer questions with regard to differing simulation results.

      There have been some cases however where a single model has included two or more discrete network areas and when one is run in isolation the results for this differ to the same area in the larger model. After investigation it may become apparent that the simulation parameters are the same, the network objects are the same and the run schedules are the same yet results vary by more than the tolerance for volume balance value being used.

      The usual reason for this is particularly difficult to identify in versions prior to 12.5, as here the functionality causing the discrepancy is enabled by default. The areal reduction factor that is used in rainfall smoothing is usually the cause and would indeed differ between the two networks in question. This is dependent on the total runoff area within the network, this means the sum of all the areas for the subcatchments. As a consequence, when using the larger network, albeit the one with two discrete networks incorporated then the total area will be greater than that for the network with only the single area.

      The areal reduction factor used for rainfall smoothing will cause a different inflow profile for the subcatchments, the routing will be affected and hence different results produced (even though the volume will remain the same).

      It is worth noting that the impact of this will be particularly apparent when only a small section of the total network is looked at in isolation as this is when the difference in areal reduction factor will be the greatest.

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        InfoNet Objects: Properties Dialog Box vs. Properties Editor

        For quite some time now users have had the option of using a couple of alternative means of viewing the properties of objects within InfoNet. These are the property dialog box, which has been in the software since time immemorial…

        Property Dialog Box

        Property Dialog Box

        … and the more recently added property editor.

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          Questions After a Main Break

          Water main breaks are prevalent in all cities. As engineers and planners, we do everything we can to avoid them and mitigate damages when they occur. Communicating those plans and educating the general public is another story. Having a clearly defined and defensible rehabilitation plan is the foundation for better education of stakeholders. They want to know:

          Why did this water main fail? What was the likelihood of this water main to fail? Was there an assessment (financial, environment, and social) on this pipe failing? Was this pipeline planned to be repaired/upgraded in the near future?

          Take a look at a sampling of news stories in the last few weeks regarding main breaks in the United State. Is your utility prepared?

          Main Break News Clippings

          Join Innovyze for a free webinar on Wednesday, September 17th, 2014 at 12:00pm US eastern time for a technology update for risk-driven asset planning solutions, and will discuss how utilities are utilizing these toolsets to better manage risk of failure and maximize the value of aging assets.

          People who attend this webinar will be able to understand the following items regarding proactive asset planning practices (featuring InfoMaster*):
          1. More accurately estimate lifetimes (remaining useful life) of pipes and failure potential
          2. Systematically assess consequences of pipeline failures
          3. Methods for proper budgeting including targeted approach to rehabilitation, repair and renewal planning.

          Click here to reserve your spot. Spaces are limited.

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            InfoNet SQL: Overriding the Default Table – A Worked Example

            It is possible to override the default table by explicitly naming the table or tables in the clause. This is done by using the ‘SELECT FROM’ keyword e.g. if the default table is Pump Station and you want to select all pipes with width greater than 100 mm you should say SELECT FROM Pipe WHERE width > 100.

            Overriding the Default Table

            Overriding the Default Table

            In the unlikely event that you wish to select all pipes you can omit the keyword WHERE and the expression after it and simply say SELECT FROM Pipe. If the table name you wish to use contains spaces in it, it is necessary to put square brackets before and after the name e.g. SELECT FROM [All Links] WHERE width > 100. It is in fact possible to enclose any table name within square brackets so you can in fact say SELECT FROM [Pipe] WHERE width > 100.

            A Worked Example

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              2D Suspended Sediment Modelling in Infoworks ICM

              In version 5 of Infoworks ICM it is now possible to model suspended sediment transport within the 2D domain.  This uses the current advection-dispersion model which is already implemented in the 2D engine.  The 2D sediment functionality will also calculate Erosion-Deposition rates and update the bed level.  What follows is a description of the various 2D modelling options within Infoworks ICM.

              Erosion-Deposition Models

              Total load methods can be used to represent just suspended load or the combination of bed load and suspended load.

              The following Total Load Models are available:-

              • Ackers-White
              • Ackers-White revised
              • Engelund-Hansen
              • Westrich-Jurashek
              • Van Rijn
              • Velikanov

              The following Suspended load models are available (deterministic methods):-

              • Van Rijn
              • Zyserman and Fredsoe
              • Smith and MacLean

              Each of these models calculates the erosion-deposition balance near the bed. A maximum carrying capacity is worked out depending on the erosion-deposition model. Deposition occurs when the current sediment concentration exceeds the maximum carrying capacity, and erosion in the opposite situation.

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                Water Supply User Group 2014 (UK) Presentations

                On Wednesday 18th June Innovyze held a Water Supply User Group in Wallingford, UK. Innovyze wishes to thank all those who were involved in the conference and looks forward to future user group sessions.

                Click on an image below to download a PDF version of the presentations.

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                  Drainage and Flood Modelling User Group 2014 (UK) Presentations

                  On Wednesday 25th June Innovyze held a Drainage and Flood Modelling User Group in Wallingford, UK. Innovyze wishes to thank all those who were involved in the conference and looks forward to future user group meetings.

                  Click on an image below to download a PDF version of the presentations.

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                    How to Show All Associated Objects in a Grid in InfoNet

                    Here’s a quick ‘tip & trick’ that was brought to my attention and I think it’s top, a top tip & trick, as it were.

                    The navigate button doesn’t display the entire list of associated objects if these are too numerous, see below.

                    Navigate Menu Doesn't Display All Associated Object if too Numerous.

                    Navigate Menu Doesn’t Display All Associated Object if too Numerous.

                    If you need to display these then you can create a grid of all the objects that are associated with your current object, use the menu option ‘Show All In Grid’, again accessed through the navigate button, see image below.

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