Considerations for Bilge Keel Force Models in Potential Flow Simulations of Ship Maneuvering in Waves

  • Christopher C. Bassler
  • Ronald W. Miller
  • Arthur M. Reed
  • Alan J. Brown
Part of the Fluid Mechanics and Its Applications book series (FMIA, volume 119)


Requirements for ship operations, both naval and commercial, may result in increased exposure to heavy weather and the occurrence of large amplitude motions. In order to enable evaluation of hull form designs, or to develop detailed ship specific operator guidance for these critical conditions, potential flow sectional, or strip-theory based, approaches remain the most practical method for fast ship motions simulations. However, some essential physical effects regarding the bilge keels are not captured by potential flow sectional formulations. To examine the relative importance of these effects, a series of unsteady RANS (URANS) computations were performed for the ONR Tumblehome model experiencing large amplitude roll motion at both zero and forward speed conditions, in calm water and in waves.


Bilge keels Potential flow Large amplitude motions 



The authors would like to thank Dr. Pat Purtell (Office of Naval Research) for support of the work presented in this paper and acknowledge support for the experiments and additional analysis from the NSWCCD Independent Applied Research (IAR) Program, under the direction of Dr. John Barkyoumb. They appreciate Dr. Pablo Carrica (University of Iowa) for his continued guidance and support in using CFDShip-Iowa. They are grateful to the U.S. Department of Defense’s High Performance Computing Modernization Program (HPCMP) office, which provided the computer resources at NAVO on the IBM P6.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Christopher C. Bassler
    • 1
  • Ronald W. Miller
    • 1
  • Arthur M. Reed
    • 1
  • Alan J. Brown
    • 2
  1. 1.David Taylor Model Basin (NWSCCD)West BethesdaUSA
  2. 2.Virginia TechBlacksburgUSA

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