Published October 26, 2014
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Morphodynamic Upscaling with the MORFAC Approach in Tidal Conditions: The Critical MORFAC

Creators

  • 1. UNESCO-IHE Institute for Water Education
  • 2. UNESCO-IHE#R##N#TU Delft#R##N#Deltares
  • 3. TU Delft#R##N#Deltares

Description

A hampering factor in the application of morphodynamic models is the potential excessive time needed to complete a simulation. One way to upscale a model run is the use of a morphological factor, or MORFAC. In this paper, we investigate the upper limit to the value of the MORFAC as a function of model geometry and timestep for a schematized case of tidal flow, and we suggest a way to make a conservative estimate of this value using a morphology-based CFL condition.
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