Separation of structure and ripples on sand mounds using Hermite functions

Paul Taylor, Jingmin Huang, M. Isabel García-Hermosa, Peter K. Stansby, Alistair G L Borthwick, Richard L. Soulsby

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A simple method is proposed for the separation of a large-scale structure from small-scale ripples during the evolution of an isolated sand hill or spoil heap eroded by an oscillatory or steady flow by bed-load transport. This method is based on Hermite functions, a mother Gaussian hill and derivatives modified to be orthogonal. It is straightforward to apply and could be used to characterise the geometric properties of any isolated localised hill-like feature such as pollution concentration levels away from an outfall.

Original languageEnglish
Pages (from-to)15-24
Number of pages10
JournalProceedings of the Institution of Civil Engineers: Engineering and Computational Mechanics
Volume165
Issue number1
DOIs
Publication statusPublished - 2012
Externally publishedYes

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