ISIS Quick Start Guide - Halcrow

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ISISQuick Start GuideFigure 33. The progress of the unsteady simulation in ISIS7. After finishing the unsteady simulation, the summary outputs can be viewed in the form of plain text.However, other methods for visualisation of the model results can be used. Please see Chapter 7 ofthis guide.Do you have any questions or remarks? Please contact ISIS support at isis@halcrow.comor on 0845 094 7994 (+44 1793 845733 from outside the UK) www.halcrow.com/isis22
ISISQuick Start Guide7. How to View the Simulation ResultsThis Chapter describes how to view the ISIS model results generated from a simulation.Normally both steady and unsteady simulation results are stored in the same folder that the model hasbeen stored in. Following the example used in Chapter 3, it will be the single channel model.The steady simulation results are stored in an ASCII file which has an extension of .zzs. Please notethat this file can be viewed and modified in a normal ASCII editor like Notepad, WordPad, etc.In order to view the steady simulation results, you can browse to the folder where you stored yourmodel. Figure 34 shows an example of a .zzs opened using the WordPad.Figure 34. An example of a .zzs steady results file opened in WordpadIn this file flow (m 3 /s), stage (m elevation) and other information such as Froude number and velocityare recorded for each channel section.The unsteady results are stored in a binary file which has an extension of .zzn. This file cannot beopened in an ASCII editor and we must use ISIS to view the results.The following options are available for viewing the results – the first three are described in this guide:• Time series plot in the form of water levels and discharges at each section.• Long section profile of the water levels• Animations of the long section profiles of the water levels• Cross sections with water levels displayed• X-Y plots, eg rating curves• Tabulated results generated from the ISIS TabularCSV tool• 2D and 3D flood maps created in ISIS MapperViewing the ISIS simulation results by means of plotting the time series1. Start ISIS2. Load the models for which you have the results of the unsteady simulation run. Select > File >Open and browse to the folder that your model files are stored in.3. Right click the section for which you would like to plot the time series and select ‘Time series’ (orselect the section and use the short cut key).Do you have any questions or remarks? Please contact ISIS support at isis@halcrow.comor on 0845 094 7994 (+44 1793 845733 from outside the UK) www.halcrow.com/isis23
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ISIS Quick Start Guide - Halcrow

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