Relationship between three-dimensional radiation stress and Vortex-Force representations

Duoc Tan Nguyen*, Ad J.H.M. Reniers, Dano Roelvink

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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In numerical ocean models, the effect of waves on currents is usually expressed by either vortex-force or radiation stress representations. In this paper, the differences and similarities between those two representations are investigated in detail in conditions of both conservative and nonconservative waves. In addition, comparisons between different sets of equations of mean motion that apply different representations of wave-induced forcing terms are included. The comparisons are useful for selecting a suitable numerical ocean model to simulate the mean current in conditions of waves combined with currents.

Original languageEnglish
Article number791
Number of pages16
JournalJournal of Marine Science and Engineering
Issue number8
Publication statusPublished - 2021


  • Generalized Lagrangian Mean
  • Mean current
  • Quasi-Eulerian mean
  • Radiation stress
  • Wave-current interaction


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