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Sedimentation calculations within an Eulerian framework using series of basis functions by Camilo Fernando Rodríguez Genó; Léster Alfonso is a Earth and Planetary Sciences article available to read on EtoBox.

What is Sedimentation calculations within an Eulerian framework using series of basis functions about?

A gravitational sedimentation parametrization is presented, which sets the dynamic framework for the parametrization philosophy of linear combination of basis functions. The entire drop spectrum is represented as a linear combination of log-normal distributions as part of an Eulerian simulation framework, in which all parameters of the distributions are calculated based on a prescribed set of three prognostic moments, thus eliminating the need of fixing any parameter to close the system of equations. The parametrization presents the advantage of avoiding the classification of water substance in artificial categories such as cloud water or rain water. Several experiments were performed, with an increasing number of distribution functions up to three, and with different sets of moments to establish which set performed the best. The comparison against the solution of an explicit sedimentation model shows that this parametrized approach is accurate enough to consider its inclusion in multi-dimensional cloud models, achieving a better representation of the spectra with the use of a three-member linear combination of basis functions.

Who reads Sedimentation calculations within an Eulerian framework using series of basis functions?

Author

Camilo Fernando Rodríguez Genó; Léster Alfonso

Publisher

Wiley

Published

2021

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)