A numerical model of beach morphological evolution due to waves and currents in the vicinity of coastal structures

Thanh Nam Pham, Magnus Larson, Hans Hanson, Hoan Le Xuan

Research output: Contribution to journalArticlepeer-review

24 Citations (SciVal)

Abstract

A numerical model was developed of beach morphological evolution in the vicinity of coastal structures. The model includes five sub-models for random wave transformation, surface roller development, nearshore wave-induced currents, sediment transport, and morphological evolution. The model was validated using high-quality data sets obtained during experiments with a T-head groin and a detached breakwater in the basin of the Large-scale Sediment Transport Facility at the Coastal and Hydraulics Laboratory in Vicksburg, Miss, USA. The simulations showed that the model reproduced well the wave conditions, wave-induced currents, and beach morphological evolution in the vicinity of coastal structures. Both salient and tombolo formation behind a T-head groin and a detached breakwater were simulated with good agreement compared to the measurements. (C) 2011 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)863-876
JournalCoastal Engineering
Volume58
Issue number9
DOIs
Publication statusPublished - 2011

Subject classification (UKÄ)

  • Water Engineering

Keywords

  • Morphodynamics
  • Random waves
  • Wave-induced currents
  • Surface roller
  • Sediment transport
  • Coastal structures

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