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, Proceedings of the International Conference on Coastal Engineering, 34(1), p. 27

DOI: 10.9753/icce.v34.sediment.27

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Morphodynamic Upscaling with the MORFAC Approach in Tidal Conditions: the Critical MORFAC:

Journal article published in 2014 by Johan Reyns, Ali Dastgheib, Roshanaka W. M. R. J. B. Ranasinghe ORCID, Arjen P. Luijendijk ORCID, Dirk-Jan Walstra, J. A. Roelvink, Dano Roelvink
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

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.