Difference between revisions of "Calculation preference formula (Water Overlay)"

Revision as of 15:12, 13 April 2019

TODO

Model: Surface • Underground • Rain • Evaporation • Infiltration • Elevation • Sewer • Storage • Substances • Border
Model Formulas: Timestep • Calculation preference • Surface water level • Groundwater level
Flow Formulas: Surface flow • Surface infiltration • Underground flow • Underground infiltration • Surface evaporation • Underground evaporation
Hydraulic Structure Formulas: Culvert • Weir • Breach growth • Breach flow • Pump • Sewer Overflow • Inlet

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-The calculation preference influences the calculation of individual timesteps.
+TODO
-: ''Δt  = Δx /u<sub>max</sub>''
-Where:
-* Δt = computational timestep
-* Δx = grid cell size
-* u<sub>max</sub> = max velocity, assumed 2.5 (SPEED), 5 (AVERAGE) and 10 (ACCURACY) m/s respectively
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