18.8 2013-12 Release
Table 18.8 outlines the changes made to the default settings for the 2013-12 release and lists commands to revert the setting to those used by the prior major release group (2012-05). All default settings can be reverted to the prior release by using the command, “
| Description of Change | 2013-12 Release Notes | Backward Compatibility Command |
|---|---|---|
| For BW or IW channels that automatically insert a weir over the B or I channel, the weir width if not manually specified using the EN1 attribute is now based on the maximum width of the B or I channel, rather than the width at the channel’s invert. | Section 27 |
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| “E” and “H” flags for RG, SG, SP and all new weirs set whether to use energy (E) or water surface (H) levels for the calculations. | Section 41 |
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| For W (weir) channels, “Weir Approach == METHOD A” has been reinstated as the default setting. | Section 68 |
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| The approach for processing 2d_po flow lines has been reworked and will now not slow down a simulation if numerous 2d_po flow lines exist as was occurring with prior releases. | Section 1 |
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| Output 1D .csv files to a csv folder in a slightly new format that works with our new GIS 1D chart viewer. | Section 18 |
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| New interpolation/extrapolation methods to the 2D cell corners. | Section 5 |
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| When the Maximum Courant Number is greater than zero, adaptive time-stepping is switched on. For the 4th order time solver a value of 1.0 (the new default) is recommended. | Section 1 |
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| Tracks and outputs the maximums every timestep. | Section 1 |
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| Changes the default to “INCLUDE TIME” for restart files so filenames are time-stamped and written for each restart output time, and the files are placed in a folder called “trf”. | Section 64 |
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| The default setting for Link 2D2D Approach has changed. | Section 68 |
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