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...the accuracy or if measurement data are not available, conduct sensitivity testing.

...on accuracy can be achieved by selecting a larger cell size. This is worth testing, as it will most likely increase the simulation speed with no loss of resul ...exactly with the specified map and time series result output intervals. To account for this TUFLOW HPC makes a timestep adjustments to synchronize the computa

|Blockage and FLC depends on rail type <br> Sensitivity testing with 100% blockage is recommended due to potential for debris during flood | 3 || Bridge rails || 10% – 100% || Sensitivity testing with 100% blockage is recommended due to potential for debris during flood

...ainfall and/or modelling high elevations are not applicable in HPC. Unless testing shows otherwise, the single precision version of TUFLOW should be used for ...ethods break the time increment down into sub-steps in order to attempt to account for the “the rate of change of the rates of change”. Such methods inclu

...ess Manning's n varies with depth, i.e. increase Manning's n with depth to account for the missing Manning's n on the side and top surfaces. ...rring as the water changes direction entering or leaving the structure. To account for this the modeller may need to increase the entrance and/or exit loss va

...s. To support this, a change was implemented in the Green-Ampt equation to account for changing initial soil moisture and cumulative infiltration over time. F In the sensitivity testing, the focus was on clay soils, which generally have low conductivity values.

| Primary upstream and downstream 1D channels now correctly take into account bed slope. ...E 2008-08</tt> to use the default settings used by the 2007-07-XX builds. Testing of a range of models has shown zero change in results if <font color="blue"

We are testing a possible upgrade that replaces the bank of box culverts with a wide span ...own scenarios? Below is a few modelling aspects which you would take into account when considering how to schematise your bridge.<br>

...ndary conditions: An HT boundary may hinder efficient water exit. Consider testing with a QH boundary. ...urban modelling, consideration is being given to incorporating a method to account for trapped groundwater as part of future TUFLOW release.