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

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

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

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

Naval Architecture, Ocean And Marine Engineering

Research output: Contribution to journal › Article › peer-review

9 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 language	English
Journal	Journal of Ship Mechanics
Volume	11
Issue number	6
Publication status	Published - 2007

Keywords

roll damping
bilge keel
RANSE
VOF

Cite this

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title = "Prediction of roll hydrodynamics of cylinders fitted with bilge keels with RANS",

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.",

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AU - Xie, J.X. Nan

AU - Vassalos, D.

AU - Lee, B.S.

PY - 2007

Y1 - 2007

N2 - 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.

AB - 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.

KW - roll damping

KW - bilge keel

KW - RANSE

KW - VOF

UR - http://d.wanfangdata.com.cn/periodical_cblx200706004.aspx

M3 - Article

VL - 11

JO - Journal of Ship Mechanics

JF - Journal of Ship Mechanics

IS - 6

ER -

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

Abstract

Keywords

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