TUFLOW Version Backward Compatibility: Difference between revisions
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| rowspan=1|2016-03-AA
| Numerous default updates: New operational 1D structure defaults. Primary upstream and downstream 1D channels now correctly take into account bed slope. A new layered 2D FC calculation method has been implemented. The <font color="blue"><u>SX Flow Distribution Cutoff Depth</u></font> has been raised to 0.05m from 0.00m. The <font color="blue"><u>End After Maximum</u></font> tolerance has been increased to 0.001m from 0.0m. A new ERROR message has been added to cross-check the 1D timestep is a multiple of the timestep for all 2D domains. WARNING 2460 has been escalated to an ERROR and stricter command line syntax rules have been introduced ("=" will now return an ERROR message if TUFLOW is expecting "==").
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| rowspan=1|2016-03-AC
| No default value changes or enhancements in addition to 2016-03-AA.
| Set <font color="blue"><
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| rowspan=1|2016-03-AD
| The treatment of the eddy viscosity term in the GPU Solver has been enhanced with slightly improved results in areas of rapidly changing velocity patterns.
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| rowspan=1|2013-12-AA
| New default settings – see <font color="blue">Defaults == PRE 2013-12</font> for a list of the commands that have changed in their default setting.
| Set <font color="blue"><
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| rowspan=2| 2012-05-AA
| New default settings – see <font color="blue">Defaults == PRE 2012-05</font> for a list of the commands that have changed in their default setting.
| Set <font color="blue"><tt>Defaults </tt></font> <font color="red"><tt>== </tt></font><tt>PRE 2012-05</
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| The approach to the sizing of automatic manholes and the application of losses has been enhanced.
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| New default settings – see <font color="blue">Defaults == PRE 2010-10</font> for a list of the commands that have changed in their default setting.
| Set <font color="blue"><tt>Defaults </tt></font> <font color="red"><tt>== </tt></font><tt>PRE 2010-10</tt> if similar results are required to the 2008-08 or 2009 07 releases.
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| Generation of TINs for polygons in Read GIS Shape layers is more robust and uses an improved approach. In rare cases, the TIN would fail and TUFLOW would abort the start-up.
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| Uses a new set of defaults for a number of commands (see <font color="blue">Defaults</font> ).
| The new defaults produce slightly different results, and very slight differences also occur between the three versions offered. For established models run using the 2007-07-XX builds, use <font color="blue"><tt>Defaults </tt></font> <font color="red"><tt>== </tt></font><tt>PRE 2008-08</
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| The method for interpolating n values where the 2D Manning’s n varies with depth has been enhanced from a linear interpolation of the M (1/n) value to a spline interpolation of the n value. See <font color="blue"><u>Bed Resistance Depth Interpolation</u></font>.
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| Uses a new set of defaults for a number of commands (see <font color="blue">Defaults</font>).
| The new defaults may produce slightly different results. For established models run using the 2006-06-XX builds, use <font color="blue"><tt>Defaults </tt></font> <font color="red"><tt>== </tt></font><tt>PRE 2007-07-AA</
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| Change <font color="blue">Zero Material Values to One == OFF</font> (previously ON)
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