Journal of Shanghai Jiaotong University ›› 2019, Vol. 53 ›› Issue (3): 305-314.doi: 10.16183/j.cnki.jsjtu.2019.03.007

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Roll Damping of Damaged Ship Based on OpenFOAM

OU Shan,MAO Xiaofei,LIU Zuyuan,HUANG Tianqi,YU Zeshuang   

  1. School of Transportation, Wuhan University of Technology, Wuhan 430063, China
  • Online:2019-03-28 Published:2019-03-28

Abstract: Based on OpenFOAM, the linear and nonlinear roll damping coefficients of the intact and damaged ship are obtained through the simulation of ship free roll decay motion in calm water. The detailed comparison and discussion of various perspectives such as initial roll angle, bilge keel, damage forms and damage process reveal the characteristics of damaged ship roll damping. And then the damaged model tests are carried out to verify the reliability of numerical method. For numerical simulation, the second and the third forms of damage models are built. Both the damage process and the coupled problems of inside/outside fluid are successfully resolved. These studies lay a foundation for roll motion and capsize research of damaged ship, and also provide technical reference for study of damaged ship stability criteria.

Key words: roll damping, OpenFOAM, damaged ship, coupled motion

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