Using machine learning to differentiate types of particle jumps in DNS data of sediment transport

Publikation: Beitrag zu KonferenzenPaperBeigetragenBegutachtung

Beitragende

Abstract

In this study, machine learning is used to identify types of jumps that share motion patterns of saltating particles in sediment transport based on DNS data. For this purpose, a framework is proposed, consisting of a partitioning of jumps and a subsequent calculation of prototypical jumps. The partitioning is achieved through cluster ensembles that aggregate the results from numerous k-means clustering models. The inputs for these models consist of large numbers of features per jump, extracted via time series analysis. As a result, four different types of jumps, associated with different stages of transport, are identified. Corresponding prototypical jumps are computed using a modified variant of dynamic time warping barycenter averaging and serve as models for the types. The framework contributes to improving the understanding of particle saltation.

Details

OriginalspracheEnglisch
Seiten1812 - 1821
Seitenumfang10
PublikationsstatusVeröffentlicht - 2025
Peer-Review-StatusJa

Konferenz

Titel41st International Association for Hydro-Environment Engineering and Research (IAHR) World Congress
UntertitelInnovative Water Engineering for Sustainable Development
KurztitelIAHR 2025
Veranstaltungsnummer41
Dauer22 - 27 Juni 2025
Webseite
BekanntheitsgradInternationale Veranstaltung
OrtSingapore EXPO
StadtSingapore
LandSingapur

Externe IDs

Scopus 105024946750
ORCID /0000-0003-1653-5686/work/203070357

Schlagworte

Schlagwörter

  • Clustering, DNS, Machine learning, Non-spherical particles, Sediment transport