Prediction of roll hydrodynamics of cylinders fitted with bilge keels with RANS

J.X. Nan Xie, D. Vassalos, B.S. Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A RANS solver is used to predict roll hydrodynamic coefficients (added inertia moment and damping) of a two-dimensional section with/without bilge keels on the free surface. The viscous flow field disturbed by the forced roll motion is solved in time domain with VOF and two-phases flow approach. The roll hydrodynamic coefficients are derived from time histories of the roll hydrodynamic moments. The results are compared with published model test measurements and a fairly good agreement was found.
Original languageEnglish
JournalJournal of Ship Mechanics
Volume11
Issue number6
Publication statusPublished - 2007

Keywords

  • roll damping
  • bilge keel
  • RANSE
  • VOF

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