Mode (Water Overlay): Difference between revisions

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The mode of the [[Water Overlay]] affects the accuracy for some parts of the simulation. The setting is available to reduce the frequency of certain calculations, providing faster simulations.
The mode of the [[Water Overlay]] affects the taken time steps, and with it the evaluation frequency, for ground water and hydraulic structures of the simulation.  
Surface water simulation time steps are only depended on this mode when [[Surface_water_(Water_Overlay)|surface water]] mode is set to the '''Avg Waterway''' or '''Avg Terrain'''.
It does not influence the evaluation frequency of the surface water simulation when [[Surface_water_(Water_Overlay)|surface water]] is set to the '''Shallow''' or '''Hybrid''' mode.


There are three modes available:
There are three modes available:


* Speed: Lowest frequencies, fastest calculations
* Speed: Lowest frequencies, fastest calculations. Mode factor 3.
* Normal: Average mode between Speed an Accuracy.
* Normal: Average mode between Speed an Accuracy. Mode factor 2.  
* Accuracy: Highest frequencies, greatest detail in water movements.
* Accuracy: Highest frequencies, greatest detail in water movements. Mode factor 1.


The mode has the following effects:
The mode has the following effects on timesteps:
 
* Groundwater timestep (seconds) = min ( 5 * dx * modeFactor , 120 )
* Surface water timestep (seconds) is based on whether shallow water simulation is selected.
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Revision as of 09:45, 11 February 2022

This article is a stub.

The mode of the Water Overlay affects the taken time steps, and with it the evaluation frequency, for ground water and hydraulic structures of the simulation. Surface water simulation time steps are only depended on this mode when surface water mode is set to the Avg Waterway or Avg Terrain. It does not influence the evaluation frequency of the surface water simulation when surface water is set to the Shallow or Hybrid mode.

There are three modes available:

  • Speed: Lowest frequencies, fastest calculations. Mode factor 3.
  • Normal: Average mode between Speed an Accuracy. Mode factor 2.
  • Accuracy: Highest frequencies, greatest detail in water movements. Mode factor 1.

The mode has the following effects on timesteps:

  • Groundwater timestep (seconds) = min ( 5 * dx * modeFactor , 120 )
  • Surface water timestep (seconds) is based on whether shallow water simulation is selected.
Average Speed Speed Description
Sewer inflow speed Once per 2 seconds Once per 4 seconds Once per 6 seconds How often water flows from the surface into a sewer via a sewered Construction
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