Prediction of Equilibrium Scour Holes Using Optimization Procedures

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Abstract

This paper presents an optimization procedure that finds the equilibrium scour depth under a pipeline. Even though much knowledge on scour is available for the most typical marine structures such as a vertical circular monopile of a horizontal pipelines the calculation of the scour depth complex and time-consuming as the transient solution is often modelled as well. In this paper we present a optimization procedure that combined with a computational fluid dynamics, and a model of the bed load finds the equilibrium shape of a scour hole. This can potentially speed up the calculation of the shape of the equilibrium scour hole with a factor of 100. However, it comes with a coast as we will not model the transition and the time scale of the scour hole development.
Original languageEnglish
Title of host publicationCoastal Engineering Proceedings
EditorsPatrick Lynett
Number of pages9
Publication date2020
Article number36V
ISBN (Electronic)978-0-9896611-5-7
DOIs
Publication statusPublished - 2020
EventVirtual International Conference on Coastal Engineering (VICCE 2020) - Virtual event
Duration: 6 Oct 20209 Oct 2020

Conference

ConferenceVirtual International Conference on Coastal Engineering (VICCE 2020)
LocationVirtual event
Period06/10/202009/10/2020

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