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Type: Posts; User: Andrew Walker

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    Another way to achieve this within the standard...

    Another way to achieve this within the standard User Interface, is to select all your pipes, then with the CTRL key held down, open up a Grid view of the pipes. Only the selected pipes will be...
  2. Hi Ian, The SQL sequence will only work in CS...

    Hi Ian,

    The SQL sequence will only work in CS v13.5 or later. The WHILE function was one of a number of SQL enhancements added at the v13.5 release.

    Enhancements to SQL features



    New...
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    Tiny elements need to be avoided at all costs. ...

    Tiny elements need to be avoided at all costs. Even a few small elements in a large mesh have the potential to cripple your run-times (your example is a classic case).

    There is a very easy way to...
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    Validating – the increased complexity of models...

    Validating – the increased complexity of models and greater inter-relationships between network objects mean that validation has got slower. Many of the validation checks for a particular object...
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    Map layer changes require validation – this...

    Map layer changes require validation – this changed between CS and ICM because of a desire from customers (particularly asset management customers) to have more control over the map layer settings...
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    No! For the example above you only need 1...

    No! For the example above you only need 1 seat/licence. The ICM licence provides authority for a particular PC or Server to run simulations. If the machine is a powerful server then you can make...
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    Hi Stefan, The Server was a Xeon based system...

    Hi Stefan,

    The Server was a Xeon based system running at 2.4 GHz. I don't seem to have a note of the exact model number, but it had 32GB of memory and was running Widows Server 2008R2.

    As a...
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    I managed to get my hands on a Dell server with 4...

    I managed to get my hands on a Dell server with 4 Xeon processors, each with 10 cores (so, that's a total of 40 cores in all). This machine was used to do a series of runs with a reasonably large 1D...
  9. Our Support Team sent this reply to Barry in an...

    Our Support Team sent this reply to Barry in an e-mail, but the content may be of interest to others looking to do similar things in InfoWorks and InfoNet.

    Try the following which works on a...
  10. The use of the Nash–Sutcliffe model efficiency...

    The use of the Nash–Sutcliffe model efficiency coefficient was discussed by Jenny Hill & Ally Martin of Richard Allitt Associates at last year's Innovyze European User Conference. Jenny and Ally...
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    Hi Francesca, Yes, there is an easier way, and...

    Hi Francesca,

    Yes, there is an easier way, and it can all be done inside ICM.

    First, make sure your 2D Simulation was run with network results points defined in the actual model. This is...
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    The Development Team are constantly striving to...

    The Development Team are constantly striving to optimise all areas of InfoWorks. It's often the Mathematics and resulting Simulation speeds that grab all the headlines, but there's always a lot of...
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    A lot will depend on the format (Personal or...

    A lot will depend on the format (Personal or Workgroup) of the master database, how much data it contains and where the database is stored (this last point especially in the case of a Personal...
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    Hi Kristian - You're observations are correct. ...

    Hi Kristian - You're observations are correct. There's quite an intensive process in transferring the 2D part of the model to the GPU and passing back the results. The more elements in the mesh,...
  15. Yes, you can. Lets assume the selection is to...

    Yes, you can.

    Lets assume the selection is to be done on the model data (rather than a set of results).

    It can be done as a single operation, but requires two SQL's, so start by creating an...
  16. Model size and complexity - Bigger is Better?

    As computer manufacturers produce faster and ever more powerful PCs and Servers, so engineers and hydraulic modellers are able to produce larger and ever more complex models of their drainage...
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    Any changes made to GIS backgrounds, or the...

    Any changes made to GIS backgrounds, or the addition of new GIS layers, now forms part of the overall model development. This is so that when you work as part of a modelling workgroup any 'visual'...
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    2D runtimes and GPU cards

    Run-times for 2D models is a common talking point. Significant reductions in runtime can be achived when 2D models are processed on an NVIDIA GPU card rather than the basic PC processor (CPU).
    ...
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